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Blog - Practical...
What Happens When a Reservoir Goes Dry? [Note that this article is a transcript of the video embedded above.] In June of 2022, the level in...
over a year ago
26
over a year ago
[Note that this article is a transcript of the video embedded above.] In June of 2022, the level in Lake Mead, the largest water reservoir in the United States formed by the Hoover Dam, reached yet another all-time low of 175 feet or 53 meters below full, a level that hasn’t been...
IEEE Spectrum
Designing the First Apple Macintosh: The Engineers’ Story In 1979 the Macintosh personal computer existed only as the pet idea of Jef Raskin, a veteran of the...
a year ago
8
a year ago
In 1979 the Macintosh personal computer existed only as the pet idea of Jef Raskin, a veteran of the Apple II team, who had proposed that Apple Computer Inc. make a low-cost “appliance”-type computer that would be as easy to use as a toaster. Mr. Raskin believed the computer he...
NeuroLogica Blog
Was Jesus a Con Artist? Let me start out by saying that I think the answer to that question is no – but this requires lots...
4 months ago
41
4 months ago
Let me start out by saying that I think the answer to that question is no – but this requires lots of clarification. This was, however, the discussion here, while although poorly informed, does raise some interesting questions. This is a Tik Tok video of a popular podcast which...
nanoscale views
What is the thermal Hall effect? One thing that physics and mechanical engineering students learn early on is that there are often...
a year ago
32
a year ago
One thing that physics and mechanical engineering students learn early on is that there are often analogies between charge flow and heat flow, and this is reflected in the mathematical models we use to describe charge and heat transport.  We use Ohm's law,...
NeuroLogica Blog
Finding Common Ground on Democracy How is American democracy doing, and what can we do to improve it, if necessary? This is clearly a...
a year ago
6
a year ago
How is American democracy doing, and what can we do to improve it, if necessary? This is clearly a question of political science, and I am not a political scientist, and this is not a political blog. But there are some basic principles of critical thinking that might apply, and...
Math Is Still...
The Question of What’s Fair Illuminates the Question of What’s Hard Computational complexity theorists have discovered a surprising new way to understand what makes...
6 months ago
26
6 months ago
Computational complexity theorists have discovered a surprising new way to understand what makes certain problems hard. The post The Question of What’s Fair Illuminates the Question of What’s Hard first appeared on Quanta Magazine
The Works in...
Degrowth and the monkey's paw Fifteen years ago, when I worked in the “social innovation” field, there was a world-view that was...
a year ago
85
a year ago
Fifteen years ago, when I worked in the “social innovation” field, there was a world-view that was very popular among my colleagues about what was wrong with society and how to fix it. The idea was that people and governments needed to stop seeing economic growth as a good thing,...
Math Is Still...
Simple Equation Predicts the Shapes of Carbon-Capturing Wetlands To calculate the amount of carbon stored inside peatlands, researchers developed a unified theory of...
6 months ago
64
6 months ago
To calculate the amount of carbon stored inside peatlands, researchers developed a unified theory of “bog physics” applicable around the world. The post Simple Equation Predicts the Shapes of Carbon-Capturing Wetlands first appeared on Quanta Magazine
NeuroLogica Blog
Confidently Wrong How certain are you of anything that you believe? Do you even think about your confidence level, and...
2 months ago
24
2 months ago
How certain are you of anything that you believe? Do you even think about your confidence level, and do you have a process for determining what your confidence level should be or do you just follow your gut feelings? Thinking about confidence is a form of metacognition – thinking...
Blog - Practical...
These Metals Destroy Themselves to Prevent Rust [Note that this article is a transcript of the video embedded above.] This is the old Howard...
over a year ago
23
over a year ago
[Note that this article is a transcript of the video embedded above.] This is the old Howard Frankland Bridge that carries roughly 180,000 vehicles per day across Old Tampa Bay between St. Petersburg and Tampa, Florida. A replacement for the bridge is currently under...
The Roots of...
Accelerating science through evolvable institutions This is the written version of a talk presented to the Santa Fe Institute at a working group on...
a year ago
22
a year ago
This is the written version of a talk presented to the Santa Fe Institute at a working group on “Accelerating Science.” We’re here to discuss “accelerating science.” I like to start on topics like this by taking the historical view: When (if ever) has science accelerated in the...
Math Is Still...
New Theory Suggests Chatbots Can Understand Text Far from being “stochastic parrots,” the biggest large language models seem to learn enough skills...
11 months ago
20
11 months ago
Far from being “stochastic parrots,” the biggest large language models seem to learn enough skills to understand the words they’re processing. The post New Theory Suggests Chatbots Can Understand Text first appeared on Quanta Magazine
Explorations of an...
Tour Extension to Halmahera In The North Moluccas Del and Marcie joined me for a four-day extension to the nearby island of Halmahera, located in the...
a year ago
4
a year ago
Del and Marcie joined me for a four-day extension to the nearby island of Halmahera, located in the North Moluccas. We were now on the east side of the deep-water trench informally known as Weber’s Line and the avifauna was even more in line with New Guinea and Australia....
Math Is Still...
Is It Real or Imagined? How Your Brain Tells the Difference. New experiments show that the brain distinguishes between perceived and imagined mental images by...
a year ago
248
a year ago
New experiments show that the brain distinguishes between perceived and imagined mental images by checking whether they cross a “reality threshold.” The post Is It Real or Imagined? How Your Brain Tells the Difference. first appeared on Quanta Magazine
Out-of-Pocket Blog
Maternity Care and Payer Contracting with Marta Bralic Kerns | Out-Of-Pocket and some good tips for consultants working at startups
a year ago
nanoscale views
What is a Wigner crystal? Last week I was at the every-2-years Gordon Research Conference on Correlated Electron Systems at...
5 months ago
59
5 months ago
Last week I was at the every-2-years Gordon Research Conference on Correlated Electron Systems at lovely Mt. Holyoke.  It was very fun, but one key aspect of the culture of the GRCs is that attendees are not supposed to post about them on social media, thus encouraging presenters...
Explorations of an...
Río Bigal Biological Reserve - Pristine Foothill Forest In Eastern Ecuador "What has been your favourite country that you have visited?"  People often ask me various...
a year ago
7
a year ago
"What has been your favourite country that you have visited?"  People often ask me various iterations of this question when they hear about the traveling that Laura and I have been fortunate to have done. Sometimes I say Colombia, sometimes I say Peru, but usually I don't name a...
Drew Ex Machina
Apollo A-002: Testing the Limits of the Launch Escape System One of the more dangerous parts of a space mission is launch which is why almost all crewed...
2 weeks ago
14
2 weeks ago
One of the more dangerous parts of a space mission is launch which is why almost all crewed spacecraft have had launch abort options to cover […]
Explorations of an...
A Month In Northern Peru, Part 3: Lush Forests of Casupe (February 4, 2024) February 4, 2024 We said our goodbyes to the owner of Eco Camping Racarrumi and hit the road at 6 AM...
9 months ago
28
9 months ago
February 4, 2024 We said our goodbyes to the owner of Eco Camping Racarrumi and hit the road at 6 AM sharp. We continued inland, away from the coast and towards the foothills, which is where we hoped to spend the morning birding. The landscape continued to change during our ~45...
Out-of-Pocket Blog
Out-Of-Pocket’s 2025 Predictions | Out-Of-Pocket I’m like 50% right every year, I just never know which 50%
6 days ago
The Works in...
Escape to the country What makes a successful New Town?
4 months ago
Uncharted...
100,000 Gifts What happened in 2024 and what will happen in 2025
3 days ago
Beautiful Public...
Mapping the Sea Floor USGS research vessels equipped with cameras, sonar and scanners created a map of 125 square miles of...
a year ago
41
a year ago
USGS research vessels equipped with cameras, sonar and scanners created a map of 125 square miles of the sea floor off Cape Ann, MA.
NeuroLogica Blog
What Policies Affect Climate Change? What is the potential for climate change policy to affect climate change? I often discuss, here and...
a year ago
10
a year ago
What is the potential for climate change policy to affect climate change? I often discuss, here and on the SGU, the science of climate change, and specifically focus on what we can do about it, mostly by reducing our CO2 emissions. Often I get push back explicitly promoting the...
NeuroLogica Blog
JET Fusion Experiment Sets New Record Don’t get excited. It’s always nice to see incremental progress being made with the various fusion...
10 months ago
19
10 months ago
Don’t get excited. It’s always nice to see incremental progress being made with the various fusion experiments happening around the world, but we are still a long way off from commercial fusion power, and this experiment doesn’t really bring us any close, despite the headlines....
Math Is Still...
Monumental Proof Settles Geometric Langlands Conjecture In work that has been 30 years in the making, mathematicians have proved a major part of a profound...
5 months ago
40
5 months ago
In work that has been 30 years in the making, mathematicians have proved a major part of a profound mathematical vision called the Langlands program. The post Monumental Proof Settles Geometric Langlands Conjecture first appeared on Quanta Magazine
Out-of-Pocket Blog
Things I’m watching in healthcare 2023 | Out-Of-Pocket it's been a weird year
9 months ago
Math Is Still...
Inside Scientists’ Life-Saving Prediction of the Iceland Eruption The Reykjanes Peninsula has entered a new volcanic era. Innovative efforts to map and monitor the...
10 months ago
24
10 months ago
The Reykjanes Peninsula has entered a new volcanic era. Innovative efforts to map and monitor the subterranean magma are saving lives. The post Inside Scientists’ Life-Saving Prediction of the Iceland Eruption first appeared on Quanta Magazine
Math Is Still...
Pierre de Fermat’s Link to a High School Student’s Prime Math Proof How Fermat’s less famous ‘little theorem’ got mathematicians young and old to play with prime-like...
a year ago
17
a year ago
How Fermat’s less famous ‘little theorem’ got mathematicians young and old to play with prime-like Carmichael numbers. The post Pierre de Fermat’s Link to a High School Student’s Prime Math Proof first appeared on Quanta Magazine
The Works in...
ARIA: Betting on science An inside look at Britain's new DARPA
a year ago
NeuroLogica Blog
Reading The Mind with fMRI and AI This is pretty exciting neuroscience news – Semantic reconstruction of continuous language from...
a year ago
47
a year ago
This is pretty exciting neuroscience news – Semantic reconstruction of continuous language from non-invasive brain recordings. What this means is that researchers have been able to, sort of, decode the words that subjects were thinking of simply by reading their fMRI scan. They...
nanoscale views
The Nobels, physics and chemistry As you undoubtedly know, the 2023 Nobel in physics has been awarded to Pierre Agostini, Ferenc...
a year ago
37
a year ago
As you undoubtedly know, the 2023 Nobel in physics has been awarded to Pierre Agostini, Ferenc Krausz, and Anne L'Huillier, for the development of techniques associated with attosecond-scale optical pulses.  Here is the more popular write-up about this (including a good handwave...
NeuroLogica Blog
Science News in 2023 This is not exactly a “best of” because I don’t know how that applies to science news, but here are...
a year ago
10
a year ago
This is not exactly a “best of” because I don’t know how that applies to science news, but here are what I consider to be the most impactful science news stories of 2023 (or at least the ones that caught by biased attention). This was a big year for medical breakthroughs. We are...
ToughSF
Hypervelocity Tether Rockets Rotating tethers can reach incredible velocities when they are built out of high strength materials....
over a year ago
6
over a year ago
Rotating tethers can reach incredible velocities when they are built out of high strength materials. With some design features, they can greatly surpass the exhaust velocities of chemical or even nuclear rockets. They can become propulsion systems with impressive performance......
Asterisk
Rarely is the Question Asked: Is Our Children Learning? Across the world, more students than ever are in school. But it’s not clear that they're learning...
3 weeks ago
3
3 weeks ago
Across the world, more students than ever are in school. But it’s not clear that they're learning more while there — or if that’s even the goal.
nanoscale views
Chemical potential and banana waffles The concept of chemical potential is one that seems almost deliberately obscure to many.  I’ve...
a year ago
57
a year ago
The concept of chemical potential is one that seems almost deliberately obscure to many.  I’ve written about this here, and referenced this article.  What you may not realize is that the chemical potential, of water in particular, plays a crucial role in why my banana waffle...
NeuroLogica Blog
Neuralink Implants Chip in Human Elon Musk has announced that his company, Neuralink, has implanted their first wireless computer...
10 months ago
64
10 months ago
Elon Musk has announced that his company, Neuralink, has implanted their first wireless computer chip into a human. The chip, which they plan on calling Telepathy (not sure how I feel about that) connects with 64 thin hair-like electrodes, is battery powered and can be recharged...
The Roots of...
Making every researcher seek grants is a broken model When Galileo wanted to study the heavens through his telescope, he got money from those legendary...
11 months ago
37
11 months ago
When Galileo wanted to study the heavens through his telescope, he got money from those legendary patrons of the Renaissance, the Medici. To win their favor, when he discovered the moons of Jupiter, he named them the Medicean Stars. Other scientists and inventors offered flashy...
nanoscale views
Power and computing The Wall Street Journal last week had an article (sorry about the paywall) titled "There’s Not...
7 months ago
71
7 months ago
The Wall Street Journal last week had an article (sorry about the paywall) titled "There’s Not Enough Power for America’s High-Tech Ambitions", about how there is enormous demand for more data centers (think Amazon Web Services and the like), and electricity production can't...
wadertales
Broad-billed Sandpiper: Now a Red-listed wader A dedicated team of Scottish bird ringers has been studying breeding waders in northern Norway since...
a week ago
13
a week ago
A dedicated team of Scottish bird ringers has been studying breeding waders in northern Norway since 1993. One of the focal species of their fieldwork is the secretive Broad-billed Sandpiper, an unusual taiga wader which nests on low-lying tussocks embedded in floating mats of...
Asterisk
Debugging Tech Journalism A huge proportion of tech journalism is characterized by scandals, sensationalism, and shoddy...
8 months ago
1
8 months ago
A huge proportion of tech journalism is characterized by scandals, sensationalism, and shoddy research. Can we fix it?
NeuroLogica Blog
The Next Step in Space Travel The European Space Agency (ESA) has announced they are developing their own commercial space...
a year ago
7
a year ago
The European Space Agency (ESA) has announced they are developing their own commercial space capsule. This will be used initially for cargo, but then eventually for crew as well. They anticipate a maiden voyage in 2028. I think this is a positive development. It seems we are...
Asterisk
Aperitif
a year ago
Probably...
Destructive Testing Here’s another installment in Data Q&A: Answering the real questions with Python. Previous...
7 months ago
67
7 months ago
Here’s another installment in Data Q&A: Answering the real questions with Python. Previous installments are available from the Data Q&A landing page. sample_size Sample Size Selection¶ Here’s a question from the Reddit statistics forum. Hi Redditors, I am a civil engineer trying...
Asterisk
Modeling the End of Monkeypox The journalistic and public health response to the US monkeypox outbreak was noisy and contentious....
over a year ago
2
over a year ago
The journalistic and public health response to the US monkeypox outbreak was noisy and contentious. What tools do we have for predicting its spread?
Asterisk
The Virtue of Wonder: Martha Nussbaum’s Justice for Animals Martha Nussbaum’s latest book challenges us to change the way we think — and feel — about animals....
a year ago
1
a year ago
Martha Nussbaum’s latest book challenges us to change the way we think — and feel — about animals. What role can wonder and awe play when pathos comes up short?
Math Is Still...
The Tiny Physics Behind Immense Cosmic Eruptions A new theory describes how particle interactions fuel fast magnetic reconnection, the process behind...
a year ago
41
a year ago
A new theory describes how particle interactions fuel fast magnetic reconnection, the process behind solar flares and other astrophysical jets. The post The Tiny Physics Behind Immense Cosmic Eruptions first appeared on Quanta Magazine
Math Is Still...
Swirling Forces, Crushing Pressures Measured in the Proton Long-anticipated experiments that use light to mimic gravity are revealing the distribution of...
9 months ago
40
9 months ago
Long-anticipated experiments that use light to mimic gravity are revealing the distribution of energies, forces and pressures inside a subatomic particle for the first time. The post Swirling Forces, Crushing Pressures Measured in the Proton first appeared on Quanta...
Probably...
Happy Launch Day! Today is the official publication date of Probably Overthinking It! You can get a 30% discount if...
a year ago
9
a year ago
Today is the official publication date of Probably Overthinking It! You can get a 30% discount if you order from the publisher and use the code UCPNEW. You can also order from Amazon or, if you want to support independent bookstores, from Bookshop.org. I celebrated launch day by...
symmetry magazine
Tending to a giant In a race against the clock, CERN engineers and technicians pulled together to find and fix a leak...
a year ago
13
a year ago
In a race against the clock, CERN engineers and technicians pulled together to find and fix a leak inside the Large Hadron Collider.
nanoscale views
Seeing through tissue and Kramers-Kronig There is a paper in Science this week that is just a great piece of work.  The authors find that by...
3 months ago
42
3 months ago
There is a paper in Science this week that is just a great piece of work.  The authors find that by dyeing living tissue with a particular biocompatible dye molecule, they can make that tissue effectively transparent, so you can see through it.  The paper includes images (and...
Math Is Still...
Data Compression Drives the Internet. Here’s How It Works. One student’s desire to get out of a final exam led to the ubiquitous algorithm that shrinks data...
a year ago
29
a year ago
One student’s desire to get out of a final exam led to the ubiquitous algorithm that shrinks data without sacrificing information. The post Data Compression Drives the Internet. Here’s How It Works. first appeared on Quanta Magazine
Uncharted...
The Earth Is Better with More People A world with 2 billion people would be decaying, poor, brutal, violent, hopeless. With 100B, it...
3 weeks ago
3
3 weeks ago
A world with 2 billion people would be decaying, poor, brutal, violent, hopeless. With 100B, it would be rich, beautiful, vibrant, peaceful, hopeful.
NeuroLogica Blog
Dog Soundboards I am a lifelong dog owner, and like many dog owners am often impressed with how smart my dogs have...
3 months ago
32
3 months ago
I am a lifelong dog owner, and like many dog owners am often impressed with how smart my dogs have been. They pick up on subtle body language and non-verbal cues, they seem to understand specific words, and they are capable of successfully communicating their wants and desires....
The Roots of...
Developing a technology with safety in mind If a technology may introduce catastrophic risks, how do you develop it? It occurred to me that the...
a year ago
50
a year ago
If a technology may introduce catastrophic risks, how do you develop it? It occurred to me that the Wright Brothers’ approach to inventing the airplane might make a good case study. The catastrophic risk for them, of course, was dying in a crash. This is exactly what happened...
NeuroLogica Blog
Pledge to Triple Nuclear by 2050 It’s interesting that there isn’t much discussion about this in the mainstream media, but the Biden...
a month ago
17
a month ago
It’s interesting that there isn’t much discussion about this in the mainstream media, but the Biden administration recently pledged to triple US nuclear power capacity by 2050. At COP28 last year the US was among 25 signatories who also pledged to triple world nuclear power...
Asterisk
It’s 2024 and Drought is Optional In the early 20th century, the United States diverted and dammed nearly every major river that runs...
7 months ago
1
7 months ago
In the early 20th century, the United States diverted and dammed nearly every major river that runs through the West, ushering in an era of unparalleled dominion over water. Today, California once again struggles with water scarcity — but solar energy could change all that.
NeuroLogica Blog
Converting CO2 to Carbon Nanofibers One of the dreams of a green economy where the amount of CO2 in the atmosphere is stable, and not...
11 months ago
19
11 months ago
One of the dreams of a green economy where the amount of CO2 in the atmosphere is stable, and not slowly increasing, is the ability to draw CO2 from the atmosphere and convert it to a solid form. Often referred to as carbon capture, some form of this is going to be necessary...
Andrew Fraknoi –...
Black Hole Has Daily Meals Worthy of Thanksgiving You think you ate too much?  No matter how stuffed you were after Thanksgiving (or another...
3 weeks ago
10
3 weeks ago
You think you ate too much?  No matter how stuffed you were after Thanksgiving (or another celebratory meal), it’s nothing compared to Quasar J0529-4351, which astronomers observed earlier this year to be consuming the mass of our entire Sun EACH and every day!  They called it...
Math Is Still...
Computer Scientists Establish the Best Way to Traverse a Graph Dijkstra’s algorithm was long thought to be the most efficient way to find a graph’s best routes....
a month ago
20
a month ago
Dijkstra’s algorithm was long thought to be the most efficient way to find a graph’s best routes. Researchers have now proved that it’s “universally optimal.” The post Computer Scientists Establish the Best Way to Traverse a Graph first appeared on Quanta Magazine
Blog - Practical...
How Different Spillway Gates Work [Note that this article is a transcript of the video embedded above.] In the heart of Minneapolis,...
a year ago
23
a year ago
[Note that this article is a transcript of the video embedded above.] In the heart of Minneapolis, Minnesota on the Mississippi River is the picturesque Upper Saint Anthony Falls Lock and Dam, which originally made it possible to travel upstream on the river past the falls...
nanoscale views
What do we want in a conference venue? The APS March Meeting was in Las Vegas this year, and I have yet to talk to a single attendee who...
a year ago
24
a year ago
The APS March Meeting was in Las Vegas this year, and I have yet to talk to a single attendee who liked that decision in hindsight.  In brief, the conference venue seemed about 10% too small (severe crowding issues in hallways between sessions); while the APS deal on hotels was...
Asterisk
The “TESCREAL” Bungle The TESCREAL “bundle of ideologies” is purportedly essential to understand the race to build...
6 months ago
1
6 months ago
The TESCREAL “bundle of ideologies” is purportedly essential to understand the race to build artificial intelligence, the ethical milieu of those building it, and the philosophical underpinnings behind Silicon Valley as a whole. But does the label actually tell us anything?
NeuroLogica Blog
How Humans Can Adapt to Space My recent article on settling Mars has generated a lot of discussion, some of it around the basic...
11 months ago
42
11 months ago
My recent article on settling Mars has generated a lot of discussion, some of it around the basic concept of how difficult it is for humans to live anywhere but a thin envelope of air hugging the surface of the Earth. This is undoubtedly true, as I have discussed before – we...
NeuroLogica Blog
Nobel Prize for Attosecond Physics One attosecond (as) is 1×10−18 seconds. An attosecond is to one second what one second is to the age...
a year ago
3
a year ago
One attosecond (as) is 1×10−18 seconds. An attosecond is to one second what one second is to the age of the universe. It is an extremely tiny slice of time. This year’s Nobel Prize in physics goes to three scientists, Pierre Agostini, Ferenc Krausz, and Anne L’Huillier, whose...
NeuroLogica Blog
New Whale Fossil – Possibly Heaviest Animal Ever The largest and heaviest animal to ever live on the Earth, as far as we know, is the blue whale,...
a year ago
5
a year ago
The largest and heaviest animal to ever live on the Earth, as far as we know, is the blue whale, which is extant today. The blue whale is larger than any dinosaur, even the giant sauropods. The average weight of a blue whale is 160 tons, with the largest specimen being 190 tons,...
Probably...
Life in a Lognormal World At PyData Global 2023 I will present a talk, “Extremes, outliers, and GOATs: On life in a lognormal...
a year ago
4
a year ago
At PyData Global 2023 I will present a talk, “Extremes, outliers, and GOATs: On life in a lognormal world”. It is scheduled for Wednesday 6 December at 11 am Eastern Time. Here is the abstract: The fastest runners are much faster than we expect from a Gaussian distribution, and...
Drew Ex Machina
Drew Ex Machina 10th Anniversary: Top Ten Posts I find it difficult to believe but, it was ten years ago today that I posted the first article on my...
9 months ago
62
9 months ago
I find it difficult to believe but, it was ten years ago today that I posted the first article on my then-new website, Drew Ex Machina. […]
NeuroLogica Blog
Light and Distance in an Expanding Universe Commenter Lal asks in the topic suggestions: “Media reports that light has been travelling from that...
6 months ago
52
6 months ago
Commenter Lal asks in the topic suggestions: “Media reports that light has been travelling from that distant galaxy for 13 and a half billion years, which I assume is true, but this neither represents the original nor the current distance to that galaxy in terms of light years. I...
NeuroLogica Blog
Making Fuel from Sunshine When it comes to big problems it’s generally a good idea to remember some basic principles. One is...
a year ago
54
a year ago
When it comes to big problems it’s generally a good idea to remember some basic principles. One is that there is no free lunch. This is a cliche because it’s true. Another way to put this is – there are no solutions, only trade offs. Sometimes there is a genuine advance that does...
Math Is Still...
Machine Learning Aids Classical Modeling of Quantum Systems By using “classical shadows,” ordinary computers can beat quantum computers at the tricky task of...
a year ago
8
a year ago
By using “classical shadows,” ordinary computers can beat quantum computers at the tricky task of understanding quantum behaviors. The post Machine Learning Aids Classical Modeling of Quantum Systems first appeared on Quanta Magazine
NeuroLogica Blog
Microbes Aboard the ISS As I have written many times, including in yesterday’s post, people occupying space is hard. The...
11 months ago
17
11 months ago
As I have written many times, including in yesterday’s post, people occupying space is hard. The environment of space, or really anywhere not on Earth, is harsh and unforgiving. One of the issues, for example, rarely addressed in science fiction or even discussions of space...
Math Is Still...
To Defend the Genome, These Cells Destroy Their Own DNA Under a microscope, cells in a worm embryo deliberately eliminated one-third of their genome — an...
a year ago
29
a year ago
Under a microscope, cells in a worm embryo deliberately eliminated one-third of their genome — an uncompromising tactic that may combat harmful genetic parasites. The post To Defend the Genome, These Cells Destroy Their Own DNA first appeared on Quanta Magazine
The Roots of...
What I’ve been reading, April 2023 A monthly feature. Note that I generally don’t include very recent writing here, such as the latest...
a year ago
20
a year ago
A monthly feature. Note that I generally don’t include very recent writing here, such as the latest blog posts (for those, see my Twitter digests); this is for my deeper research. AI First, various historical perspectives on AI, many of which were quite prescient: Alan Turing,...
IEEE Spectrum
The Incredible Story Behind the First Transistor Radio But that’s pretty much what Pat Haggerty, vice president of Texas Instruments, did in 1954. The...
2 months ago
37
2 months ago
But that’s pretty much what Pat Haggerty, vice president of Texas Instruments, did in 1954. The result was the Regency TR-1, the world’s first commercial transistor radio, which debuted 70 years ago this month. The engineers delivered on Haggerty’s audacious goal, and I...
The Roots of...
What I’ve been reading, July–August 2023 A quasi-monthly feature (I skipped it last month, so this is a double portion). This is a longish...
a year ago
5
a year ago
A quasi-monthly feature (I skipped it last month, so this is a double portion). This is a longish post covering many topics; feel free to skim and skip around. Recent blog posts and news stories are generally omitted; you can find them in my links digests. These updates are less...
nanoscale views
Fiber optics + a different approach to fab Two very brief items of interest: This article is a nice popular discussion of the history of...
3 months ago
42
3 months ago
Two very brief items of interest: This article is a nice popular discussion of the history of fiber optics and the remarkable progress it's made for telecommunications.  If you're interested in a more expansive but very accessible take on this, I highly recommend City of...
NeuroLogica Blog
Multipurpose Superconducting Highway When it comes to technology (and also probably many things) there is a pyramid of ideas. At the very...
a year ago
28
a year ago
When it comes to technology (and also probably many things) there is a pyramid of ideas. At the very bottom of the pyramid is pure speculation, just throwing out “what if” ideas to feed the conceptual pipeline. A subset of these ideas will pass the sniff test enough to justify...
Math Is Still...
New Proof Shows That ‘Expander’ Graphs Synchronize The proof establishes new conditions that cause connected oscillators to sway in sync. ...
a year ago
6
a year ago
The proof establishes new conditions that cause connected oscillators to sway in sync. The post New Proof Shows That ‘Expander’ Graphs Synchronize first appeared on Quanta Magazine
Tikalon Blog by Dev...
US Independence Day Tikalon is on a short holiday in celebration of US Independence Day, July 4, 2024. Our next article...
5 months ago
1
5 months ago
Tikalon is on a short holiday in celebration of US Independence Day, July 4, 2024. Our next article will be posted on Monday, July 15, 2024. View my version of the iconic image of George Washington's crossing of the Delaware River in which he encounters some unusually large...
Math Is Still...
Hobbyist Finds Math’s Elusive ‘Einstein’ Tile The surprisingly simple tile is the first single, connected tile that can fill the entire plane in a...
a year ago
41
a year ago
The surprisingly simple tile is the first single, connected tile that can fill the entire plane in a pattern that never repeats — and can’t be made to fill it in a repeating way. The post Hobbyist Finds Math’s Elusive ‘Einstein’ Tile first appeared on Quanta Magazine
Math Is Still...
Mathematicians Attempt to Glimpse Past the Big Bang By studying the geometry of model space-times, researchers offer alternative views of the universe’s...
6 months ago
64
6 months ago
By studying the geometry of model space-times, researchers offer alternative views of the universe’s first moments. The post Mathematicians Attempt to Glimpse Past the Big Bang first appeared on Quanta Magazine
Math Is Still...
Scientists Find Optimal Balance of Data Storage and Time Seventy years after the invention of a data structure called a hash table, theoreticians have found...
10 months ago
32
10 months ago
Seventy years after the invention of a data structure called a hash table, theoreticians have found the most efficient possible configuration for it. The post Scientists Find Optimal Balance of Data Storage and Time first appeared on Quanta Magazine
Wanderingspace
Cassini’s Final Look at Enceladus Taken on August 28, 2017. Credit: NASA/JPL-Caltech/Space Science Institute This is from images...
over a year ago
19
over a year ago
Taken on August 28, 2017. Credit: NASA/JPL-Caltech/Space Science Institute This is from images obtained by Cassini shortly before plunging into the Saturnian atmosphere. The images were taken over 14 hours and compiled into this animation.
nanoscale views
Large magnetic fields as a scientific tool When I was at Berkeley at the beginning of the week to give a seminar, I was fortunate enough to...
10 months ago
52
10 months ago
When I was at Berkeley at the beginning of the week to give a seminar, I was fortunate enough to overlap with their departmental physics colloquium by Greg Boebinger, an accomplished scientist who is also an extremely engaging and funny speaker.  Since 2004 he has been the...
Math Is Still...
Magnetism May Have Given Life Its Molecular Asymmetry The preferred “handedness” of biomolecules could have emerged from biased interactions between...
a year ago
4
a year ago
The preferred “handedness” of biomolecules could have emerged from biased interactions between electrons and magnetic surfaces, new research suggests. The post Magnetism May Have Given Life Its Molecular Asymmetry first appeared on Quanta Magazine
The Roots of...
Quote quiz: “drifting into dependence” Quote quiz: who said this? (No fair looking it up). I have modified the original quotation slightly,...
a year ago
56
a year ago
Quote quiz: who said this? (No fair looking it up). I have modified the original quotation slightly, by making a handful of word substitutions to bring it up to date: It might be argued that the human race would never be foolish enough to hand over all power to AI. But we are...
NeuroLogica Blog
A Circular CO2 Economy Big picture time – as I have discussed before, we have just passed 8 billion people on this planet...
a year ago
30
a year ago
Big picture time – as I have discussed before, we have just passed 8 billion people on this planet and will likely top 10 billion before populations stabilize (which is quite possible, but that’s another story).  What this means is that anything we collectively do is big. It...
Beautiful Public...
Visualizing Ship Movements with AIS Data Explore the beautiful, intricate paths of ships over a year—tracked from America's busiest ports to...
3 months ago
37
3 months ago
Explore the beautiful, intricate paths of ships over a year—tracked from America's busiest ports to the open ocean via AIS marine tracking data.
Tikalon Blog by Dev...
Wiedemann-Franz Law Science is most useful when it makes predictions. Predictions are based on theory, and one problem...
6 months ago
1
6 months ago
Science is most useful when it makes predictions. Predictions are based on theory, and one problem with most theories in materials science is that they are based on data that might not exist for all of the intended class of materials. Simple rules were developed to remedy this...
Math Is Still...
Biophysicists Uncover Powerful Symmetries in Living Tissue After identifying interlocking symmetries in mammalian cells, scientists can describe some tissues...
a year ago
39
a year ago
After identifying interlocking symmetries in mammalian cells, scientists can describe some tissues as liquid crystals — an observation that lays the groundwork for a fluid-dynamic theory of how tissues move. The post Biophysicists Uncover Powerful Symmetries in Living...
Math Is Still...
Math’s ‘Bunkbed Conjecture’ Has Been Debunked It was intuitive, even obvious. It was also wrong. The post Math’s ‘Bunkbed Conjecture’...
a month ago
NeuroLogica Blog
A Greener Li-Ion Battery It is increasingly obvious that battery technology is one of the keys to transitioning our...
6 months ago
62
6 months ago
It is increasingly obvious that battery technology is one of the keys to transitioning our civilization away from burning fossil fuels. Batteries facilitate the use of cheap, green, but intermittent energy sources. They also allow for the electrification of technology sectors...
symmetry magazine
Spacetime: All the universe’s a stage In the 1900s, Albert Einstein unified the concepts of space and time, giving us a useful new way to...
a year ago
64
a year ago
In the 1900s, Albert Einstein unified the concepts of space and time, giving us a useful new way to picture the universe.
Math Is Still...
How Math Has Changed the Shape of Gerrymandering New tools make it possible to detect hidden manipulation of maps. The post How Math Has...
a year ago
Asterisk
Moving Past Environmental Proceduralism The foundations of modern environmental legislation were laid in the early ‘70s. Some of these laws...
8 months ago
1
8 months ago
The foundations of modern environmental legislation were laid in the early ‘70s. Some of these laws helped fix the ozone layer, clean up DDT, and fight lead pollution — while others are delaying the necessary transition to green energy. If the activists of fifty years ago had...
The Works in...
Works in Progress: 2023 Wrapped Our most read work of the year
a year ago
Drew Ex Machina
NASA’s Viking Mission & The Search for Life on Mars: The Experiments For young space enthusiasts like myself growing up in the 1970s, NASA’s Viking mission to Mars was...
over a year ago
17
over a year ago
For young space enthusiasts like myself growing up in the 1970s, NASA’s Viking mission to Mars was one of the more exciting and memorable. The Viking […]
Math Is Still...
In a Fierce Desert, Microbe ‘Crusts’ Show How Life Tamed the Land Extreme microorganisms carpeting the Atacama Desert in Chile illuminate how life might have first...
a year ago
22
a year ago
Extreme microorganisms carpeting the Atacama Desert in Chile illuminate how life might have first taken hold on Earth’s surface. The post In a Fierce Desert, Microbe ‘Crusts’ Show How Life Tamed the Land first appeared on Quanta Magazine
IEEE Spectrum
The Pioneer Behind Electromagnetism Without an understanding of the fundamental relationship between electricity and magnetism, it would...
a year ago
4
a year ago
Without an understanding of the fundamental relationship between electricity and magnetism, it would not have been possible to invent motors, telecommunications equipment, kitchen appliances and more. A key part of our understanding of that relationship, known as classical...
The Works in...
Where inflation comes from How we calculate inflation has always been contested with small changes leading to large differences...
a month ago
17
a month ago
How we calculate inflation has always been contested with small changes leading to large differences in how well-off we think we are.
Many Worlds
The Familiar, Yet So Different, Hydrocarbon Rivers of Titan There are three planets or moons in our solar system known to now have, or once had, surface rivers,...
a year ago
3
a year ago
There are three planets or moons in our solar system known to now have, or once had, surface rivers, lakes, deltas and a hydrologic system.  There’s Earth, of course, Mars long ago when it was warmer and wetter, and the so different yet so similar rivers of hydrocarbons on...
symmetry magazine
What the Higgs boson tells us about the universe The Higgs boson is the only fundamental particle known to be scalar, meaning it has no quantum spin....
a year ago
20
a year ago
The Higgs boson is the only fundamental particle known to be scalar, meaning it has no quantum spin. This fact answers questions about our universe, but it also raises new ones. When it was first discovered in 2012, the Higgs boson captured the popular...
Explorations of an...
Borneo: Ridiculous Mothing At Trus Madi Entomology Camp When doing research on the few possible "lifer" birds that I could find on this trip to Sabah, and...
a week ago
4
a week ago
When doing research on the few possible "lifer" birds that I could find on this trip to Sabah, and in particular, looking for sites to find the Bornean Frogmouth, I read about the Trus Madi Entomology Camp. This piqued my interest, as there is almost nothing I like more than...
Math Is Still...
How to Guarantee the Safety of Autonomous Vehicles As computer-driven cars and planes become more common, the key to preventing accidents, researchers...
11 months ago
35
11 months ago
As computer-driven cars and planes become more common, the key to preventing accidents, researchers show, is to know what you don’t know. The post How to Guarantee the Safety of Autonomous Vehicles first appeared on Quanta Magazine
Quantum Frontiers
A peek inside Northrop Grumman’s subatomic endeavors As the weather turns colder and we trade outdoor pools for pumpkin spice and then Christmas carols,...
over a year ago
25
over a year ago
As the weather turns colder and we trade outdoor pools for pumpkin spice and then Christmas carols, perhaps you’re longing for summer’s warmth. For me, it is not just warmth I yearn for: This past summer, I worked as a … Continue reading →
Willem Pennings
Balancing cube This cube manages to balance itself on a corner, and can simultaneously rotate around its axis in a...
10 months ago
16
10 months ago
This cube manages to balance itself on a corner, and can simultaneously rotate around its axis in a controlled manner. It does so using clever controls and a set of three reaction wheels. The original idea for this device comes from researchers at ETH Zürich, who demonstrate...
NeuroLogica Blog
Categorization and What’s In a Name Categorization is critical in science, but it is also very tricky, often deceptively so. We need to...
11 months ago
10
11 months ago
Categorization is critical in science, but it is also very tricky, often deceptively so. We need to categorize things to help us organize our knowledge, to understand how things work and relate to each other, and to communicate efficiently and precisely. But categorization can...
ToughSF
Space Tethers: Stringing up the Solar System All the methods we have used to reach space so far have been subject to the Tsiolkovsky rocket...
over a year ago
3
over a year ago
All the methods we have used to reach space so far have been subject to the Tsiolkovsky rocket equation - propellant must be ejected and more and more of it is needed to go further. What if we could break that equation with rotating orbital tethers? The tether I have worked...
Wanderingspace
Colorized View of Perseverance Landing An artificially colorized view of Jezero Crater, showing the bird’s eye view of Perseverance...
over a year ago
19
over a year ago
An artificially colorized view of Jezero Crater, showing the bird’s eye view of Perseverance screaming towards Mars’s surface. The above image was enhanced by Kevin Gill into full color, taking images captured by Perseverance’s Lander Vision System Camera just after the heat...
Asterisk
Sins of the Children The circle of life on Chelicer 14d.
5 months ago
Probably...
The World Population Singularity One of the exercises in Modeling and Simulation in Python invites readers to download estimates of...
a year ago
4
a year ago
One of the exercises in Modeling and Simulation in Python invites readers to download estimates of world population from 10,000 BCE to the present, and to see if they are well modeled by any simple mathematical function. Here’s what the estimates look like (aggregated on...
nanoscale views
The future of the semiconductor industry, + The Mechanical Universe Three items of interest: This article is a nice review of present semiconductor memory...
8 months ago
56
8 months ago
Three items of interest: This article is a nice review of present semiconductor memory technology.  The electron micrographs in Fig. 1 and the scaling history in Fig. 3 are impressive. This article in IEEE Spectrum is a very interesting look at how some people think we will get...
Math Is Still...
The Best Neighborhoods for Starting a Life in the Galaxy Some neighborhoods in the Milky Way may be better suited for making habitable planets than others. ...
11 months ago
17
11 months ago
Some neighborhoods in the Milky Way may be better suited for making habitable planets than others. The post The Best Neighborhoods for Starting a Life in the Galaxy first appeared on Quanta Magazine
Asterisk
How Long Until Armageddon? Scientists, generals, and politicians all failed to accurately predict when the Soviets would get...
a year ago
2
a year ago
Scientists, generals, and politicians all failed to accurately predict when the Soviets would get the bomb. Could they have done any better?
Quantum Frontiers
The Noncommuting-Charges World Tour (Part 1 of 4) Introduction: “Once Upon a Time”…with a twist Thermodynamics problems have surprisingly many...
10 months ago
35
10 months ago
Introduction: “Once Upon a Time”…with a twist Thermodynamics problems have surprisingly many similarities with fairy tales. For example, most of them begin with a familiar opening. In thermodynamics, the phrase “Consider an isolated box of particles” serves a similar purpose …...
NeuroLogica Blog
Is the AI Singularity Coming? Like it or not, we are living in the age of artificial intelligence (AI). Recent advances in large...
9 months ago
57
9 months ago
Like it or not, we are living in the age of artificial intelligence (AI). Recent advances in large language models, like ChatGPT, have helped put advanced AI in the hands of the average person, who now has a much better sense of how powerful these AI applications can be (and...
Quantum Frontiers
Crossing the quantum chasm: From NISQ to fault tolerance On December 6, I gave a keynote address at the Q2B 2023 Conference in Silicon Valley. Here is a...
a year ago
23
a year ago
On December 6, I gave a keynote address at the Q2B 2023 Conference in Silicon Valley. Here is a transcript of my remarks. Toward quantum value The theme of this year’s Q2B meeting is “The Roadmap to Quantum Value.” I … Continue reading →
Blog - Practical...
Do Droughts Make Floods Worse? [Note that this article is a transcript of the video embedded above.] Do you remember the summer of...
a year ago
86
a year ago
[Note that this article is a transcript of the video embedded above.] Do you remember the summer of 2022 when a record drought had gripped not only a large part of the United States, but most of Europe too? Reservoirs were empty, wildfires spread, crop yields dropped, and rivers...
Math Is Still...
Meet Strange Metals: Where Electricity May Flow Without Electrons For 50 years, physicists have understood current as a flow of charged particles. But a new...
a year ago
8
a year ago
For 50 years, physicists have understood current as a flow of charged particles. But a new experiment has found that in at least one strange material, this understanding falls apart. The post Meet Strange Metals: Where Electricity May Flow Without Electrons first...
IEEE Spectrum
The Forgotten History of Chinese Keyboards Today, typing in Chinese works by converting QWERTY keystrokes into Chinese characters via a...
6 months ago
67
6 months ago
Today, typing in Chinese works by converting QWERTY keystrokes into Chinese characters via a software interface, known as an input method editor. But this was not always the case. Thomas S. Mullaney’s new book, The Chinese Computer: A Global History of the Information Age,...
Eukaryote Writes...
COVID-19 FAQ A lot of people have been asking me questions about the COVID-19 (novel coronavirus) outbreak, in my...
over a year ago
23
over a year ago
A lot of people have been asking me questions about the COVID-19 (novel coronavirus) outbreak, in my informal capacity as “local biodefense person”.
Math Is Still...
Why Is It So Hard to Define a Species? The idea of a species is fundamental to the way that many people understand the structure of life on...
a month ago
14
a month ago
The idea of a species is fundamental to the way that many people understand the structure of life on Earth. But ask 10 specialists how they define the concept and you might get 10 answers. In this episode, co-host Janna Levin speaks with evolutionary biologist Kevin de Queiroz...
IEEE Spectrum
50 Years Later, We’re Still Living in the Xerox Alto’s World I’m sitting in front of a computer, looking at its graphical user interface with overlapping windows...
a year ago
7
a year ago
I’m sitting in front of a computer, looking at its graphical user interface with overlapping windows on a high-resolution screen. I interact with the computer by pointing and clicking with a mouse and typing on a keyboard. I’m using a word processor with the core features and...
Math Is Still...
How Quickly Do Large Language Models Learn Unexpected Skills? A new study suggests that so-called emergent abilities actually develop gradually and predictably,...
10 months ago
22
10 months ago
A new study suggests that so-called emergent abilities actually develop gradually and predictably, depending on how you measure them. The post How Quickly Do Large Language Models Learn Unexpected Skills? first appeared on Quanta Magazine
nanoscale views
Faculty positions at Rice, + annual Nobel speculation Trying to spread the word: The Department of Physics and Astronomy at Rice University in Houston,...
a year ago
4
a year ago
Trying to spread the word: The Department of Physics and Astronomy at Rice University in Houston, Texas invites applications for two tenure-track faculty positions, one experimental and one theoretical, in the area of quantum science using atomic, molecular, or optical methods....
Beautiful Public...
14,000 Photos of Army Uniforms and Rations from the 70s and 80s An incredible archive of 14,000 photos of Army uniforms, military gear and rations from the 70s and...
a month ago
Math Is Still...
She Tracks the DNA of Elusive Species That Hide in Harsh Places On Mount Everest and in the Peruvian Andes, Tracie Seimon uses DNA to study how species and...
a year ago
29
a year ago
On Mount Everest and in the Peruvian Andes, Tracie Seimon uses DNA to study how species and ecosystems respond to climate change, pathogens and other influences. The post She Tracks the DNA of Elusive Species That Hide in Harsh Places first appeared on Quanta Magazine
Probably...
Young Americans are Marrying Later or Never I’ve written before about changes in marriage patterns in the U.S., and it’s one of the examples in...
a week ago
18
a week ago
I’ve written before about changes in marriage patterns in the U.S., and it’s one of the examples in Chapter 13 of the new third edition of Think Stats. My analysis uses data from the National Survey of Family Growth (NSFG). Today they released the most recent data, from surveys...
NeuroLogica Blog
The Role of Plausibility in Science I have been writing blog posts and engaging in science communication long enough that I have a...
a year ago
51
a year ago
I have been writing blog posts and engaging in science communication long enough that I have a pretty good sense how much engagement I am going to get from a particular topic. Some topics are simply more divisive than others (although there is an unpredictable element from social...
NeuroLogica Blog
Using Plants as Biofactories When you think about it, plants are self-reproducing solar-powered biological factories. They are...
a year ago
26
a year ago
When you think about it, plants are self-reproducing solar-powered biological factories. They are powered by the sun, extract raw material from the air and soil, and make all sorts of useful molecules. Mostly we use them to make edible molecules (food), but also to make textiles,...
The Works in...
Introducing Gentle Density A new series from Works in Progress
a year ago
wadertales
How successful are headstarted waders We know that headstarting (hatching eggs in captivity and rearing chicks through to fledging) can...
2 months ago
33
2 months ago
We know that headstarting (hatching eggs in captivity and rearing chicks through to fledging) can boost the number of young waders in a population. However, the sustainability of this intervention is dependent upon several factors that apply after the point of release. A paper in...
Math Is Still...
The Hidden Brain Connections Between Our Hands and Tongues Sticking out your tongue while doing delicate work with your hands reveals a history of evolutionary...
a year ago
25
a year ago
Sticking out your tongue while doing delicate work with your hands reveals a history of evolutionary relationships. The post The Hidden Brain Connections Between Our Hands and Tongues first appeared on Quanta Magazine
Drew Ex Machina
Top Ten Posts of 2023 Now that we are at the end of 2023, it is time to look back at this year’s material published on...
11 months ago
38
11 months ago
Now that we are at the end of 2023, it is time to look back at this year’s material published on Drew Ex Machina and see […]
Blog - Practical...
4 Myths About Construction Debunked [Note that this article is a transcript of the video embedded above.] Construction is something you...
over a year ago
24
over a year ago
[Note that this article is a transcript of the video embedded above.] Construction is something you probably either love or hate, depending on your commute or profession. Obviously, as a civil engineer, it’s something I think a lot about, and over the past 6 years of reading...
ToughSF
Lasers, Mirrors and Star Pyramids Lasers can hit targets at extreme ranges, at the fastest speed possible. They are ideal weapons for...
over a year ago
6
over a year ago
Lasers can hit targets at extreme ranges, at the fastest speed possible. They are ideal weapons for space warfare.  However, everyone knows that lasers bounce off mirrors... does this make lasers useless? The post is inspired by the discussion that arose from the conclusions...
Math Is Still...
What Is the Nature of Time? Time is all around us: in the language we use, in the memories we revisit and in our predictions of...
9 months ago
51
9 months ago
Time is all around us: in the language we use, in the memories we revisit and in our predictions of the future. But what exactly is it? The physicist and Nobel laureate Frank Wilczek joins Steve Strogatz to discuss the fundamental hallmarks of time. The post What Is...
Math Is Still...
Fish Have a Brain Microbiome. Could Humans Have One Too? The discovery that other vertebrates have healthy, microbial brains is fueling the still...
2 weeks ago
9
2 weeks ago
The discovery that other vertebrates have healthy, microbial brains is fueling the still controversial possibility that we might have them as well. The post Fish Have a Brain Microbiome. Could Humans Have One Too? first appeared on Quanta Magazine
Math Is Still...
Selfish, Virus-Like DNA Can Carry Genes Between Species Genetic elements called Mavericks that have some viral features could be responsible for the...
a year ago
7
a year ago
Genetic elements called Mavericks that have some viral features could be responsible for the large-scale smuggling of DNA between species. The post Selfish, Virus-Like DNA Can Carry Genes Between Species first appeared on Quanta Magazine
Sean Carroll
Thanksgiving This year we give thanks for a feature of nature that is frequently misunderstood: quanta. (We’ve...
a year ago
18
a year ago
This year we give thanks for a feature of nature that is frequently misunderstood: quanta. (We’ve previously given thanks for the Standard Model Lagrangian, Hubble’s Law, the Spin-Statistics Theorem, conservation of momentum, effective field theory, the error bar, gauge...
Math Is Still...
Cells Across the Body Talk to Each Other About Aging Biologists discovered that mitochondria in different tissues talk to each other to repair injured...
11 months ago
7
11 months ago
Biologists discovered that mitochondria in different tissues talk to each other to repair injured cells. When their signal fails, the biological clock starts winding down. The post Cells Across the Body Talk to Each Other About Aging first appeared on Quanta Magazine
Explorations of an...
Chaco Birding, And A Rare Monjita The Gran Chaco (or simply, "Chaco"), is a sparsely populated plain in central South America, known...
a year ago
14
a year ago
The Gran Chaco (or simply, "Chaco"), is a sparsely populated plain in central South America, known for its hot, semi-arid environment. It doesn't refer to one particular ecosystem, but rather, it includes a number of different types of forest, scrub, savannah and grassland. Most...
Math Is Still...
The Viral Paleontologist Who Unearths Pathogens’ Deep Histories Sébastien Calvignac-Spencer searches museum jars for genetic traces of flu, measles and other...
4 months ago
35
4 months ago
Sébastien Calvignac-Spencer searches museum jars for genetic traces of flu, measles and other viruses. Their evolutionary stories can help treat modern outbreaks and prepare for future ones. The post The Viral Paleontologist Who Unearths Pathogens’ Deep Histories...
IEEE Spectrum
How Tech Automated the January 6 Investigations Josh Coker’s Facebook page doesn’t show any MAGA memes or Trump quotes. He wasn’t live-streaming on...
11 months ago
8
11 months ago
Josh Coker’s Facebook page doesn’t show any MAGA memes or Trump quotes. He wasn’t live-streaming on 6 January 2021, and no one has ever stepped forward to identify him as one of the mob that stormed the US Capitol that day. Oregon, Ohio, with five counts connected to the failed...
Marine Madness
Book Club: ‘The Island of Sea Women’ by Lisa See Little is known about Jeju- a Korean island- occupied by brutal Japanese troops in the 1930s and...
over a year ago
24
over a year ago
Little is known about Jeju- a Korean island- occupied by brutal Japanese troops in the 1930s and ’40s, later liberated by US forces and turned over to the even more barbarous Korean regime whose wrongdoings were overlooked by both American and U.N. occupiers. Lisa See travels...
The Works in...
Unending World A foretaste of Ch. 11 of Stewart Brand’s Maintenance on Books in Progress
2 months ago
Chris Grossack's...
Internal Group Actions as Enriched Functors Earlier today this month on the Category Theory Zulip, Bernd Losert asked an extremely natural...
10 months ago
22
10 months ago
Earlier today this month on the Category Theory Zulip, Bernd Losert asked an extremely natural question about how we might study topological group actions via the functorial approach beloved by category theorists. The usual story is to treat a group $G$ as a one-object...
Asterisk
Community Organizing
a month ago
ToughSF
How to Live on Other Planets: Uranus The weirdest of the planets. A blue giant, resting on its side. Could we find a home in...
over a year ago
5
over a year ago
The weirdest of the planets. A blue giant, resting on its side. Could we find a home in the Uranian system? Description Uranus is the fourth-largest planet and the first ‘ice giant’. It orbits between 18.3 and 20.1 AU from the Sun, making it four times more distant than...
Asterisk
You’re Invited to a Colonoscopy! Colonoscopies are the first-line method for preventing colorectal cancer in America —and almost...
a year ago
1
a year ago
Colonoscopies are the first-line method for preventing colorectal cancer in America —and almost nowhere else. But do they work? We finally have a comprehensive trial, but it’s left gastroenterologists with more questions than answers.
NeuroLogica Blog
Evidence and the Nanny State Part II In Part I of this post I outlined some basic considerations in deciding how much the state should...
a year ago
5
a year ago
In Part I of this post I outlined some basic considerations in deciding how much the state should impose regulations on people and institutions in order to engineer positive outcomes. In the end the best approach, it seems to me, is a balanced one, where we consider the burden of...
Damn Interesting
Fifteen Years Forsaken Editor’s Note: This article contains quotations from contemporaneous accounts which might be...
over a year ago
6
over a year ago
Editor’s Note: This article contains quotations from contemporaneous accounts which might be offensive for today’s readers. The moon was new on the night of 31 July 1761, and the wide expanse of the Indian Ocean uniformly black. But Captain Jean de Lafargue of the French cargo...
IEEE Spectrum
The Costly Impact of Non-Strategic Patents The five largest auto manufacturers will face massive U.S. patent fees within the next five years....
a year ago
6
a year ago
The five largest auto manufacturers will face massive U.S. patent fees within the next five years. This report examines auto industry lapse trends and how a company’s decisions on keeping, selling or pruning patents can greatly impact its cost savings and revenue generation...
Out-of-Pocket Blog
How MainStreet gets you government $ | Out-Of-Pocket Get government tax credits for your health startup
a year ago
Out-of-Pocket Blog
Out-Of-Pocket 2021 Predictions | Out-Of-Pocket the future is easy to predict right
a year ago
wadertales
Flexible nesting behaviour In April and May, tens of thousands of Black-tailed Godwits return to Iceland, having spent the...
2 months ago
34
2 months ago
In April and May, tens of thousands of Black-tailed Godwits return to Iceland, having spent the summer in Western Europe, particularly Britain & Ireland but also France, Portugal and Spain. For early arrivals, the conditions they encounter vary markedly between years. In a cold...
Quantum Frontiers
Can Thermodynamics Resolve the Measurement Problem? At the recent Quantum Thermodynamics conference in Vienna (coming next year to the University of...
a year ago
34
a year ago
At the recent Quantum Thermodynamics conference in Vienna (coming next year to the University of Maryland!), during an expert panel Q&A session, one member of the audience asked “can quantum thermodynamics address foundational problems in quantum theory?” That stuck with …...
nanoscale views
The wormhole kerfuffle, ER=EPR, and all that I was busy trying to finish off a grant proposal and paper revisions this week and didn't have the...
over a year ago
23
over a year ago
I was busy trying to finish off a grant proposal and paper revisions this week and didn't have the time to react in realtime to the PR onslaught surrounding the recent Nature paper by a team from Harvard, MIT, Fermilab, and Google.  There are many places to get caught up on this,...
Sean Carroll
The Zombie Argument for Physicalism (Contra Panpsychism) The nature of consciousness remains a contentious subject out there. I’m a physicalist myself — as I...
over a year ago
18
over a year ago
The nature of consciousness remains a contentious subject out there. I’m a physicalist myself — as I explain in The Big Picture and elsewhere, I think consciousness is best understood as weakly-emergent from the ordinary physical behavior of matter, without requiring any special...
Probably...
What does a confidence interval mean? Here’s another installment in Data Q&A: Answering the real questions with Python. In general, I will...
8 months ago
71
8 months ago
Here’s another installment in Data Q&A: Answering the real questions with Python. In general, I will try to focus on practical problems, but this one is a little more philosophical. confidence What does a confidence interval mean?¶ Here’s a question from the Reddit statistics...
Beautiful Public...
Utah Highway LiDAR Scans Utah's Department of Transportation uses state-of-the-art 3-D laser scanners to capture the surfaces...
over a year ago
28
over a year ago
Utah's Department of Transportation uses state-of-the-art 3-D laser scanners to capture the surfaces and area surrounding 15,000 miles of its roads.
Asterisk
Prediction Markets Have an Elections Problem Weeks after it was clear that Donald Trump lost the 2020 election, you could still make pennies on...
10 months ago
1
10 months ago
Weeks after it was clear that Donald Trump lost the 2020 election, you could still make pennies on the dollar betting Joe Biden would win. Why doesn’t smart money drive out dumb money in election markets?
Out-of-Pocket Blog
Scaling Organizations, Patient Payments, and Collections with Lora Rosenblum | Out-Of-Pocket Why am I getting bills 6 months later, Lora pls help
a year ago
Math Is Still...
The Number 15 Describes the Secret Limit of an Infinite Grid The “packing coloring” problem asks how many numbers are needed to fill an infinite grid so that...
a year ago
34
a year ago
The “packing coloring” problem asks how many numbers are needed to fill an infinite grid so that identical numbers never get too close to one another. A new computer-assisted proof finds a surprisingly straightforward answer. The post The Number 15 Describes the...
Math Is Still...
‘A-Team’ of Math Proves a Critical Link Between Addition and Sets A team of four prominent mathematicians, including two Fields medalists, proved a conjecture...
a year ago
26
a year ago
A team of four prominent mathematicians, including two Fields medalists, proved a conjecture described as a “holy grail of additive combinatorics.” The post ‘A-Team’ of Math Proves a Critical Link Between Addition and Sets first appeared on Quanta Magazine
Asterisk
The Wrong Kind of City? How much can the way cities grow tell us about the economic trajectory of their countries? According...
3 months ago
2
3 months ago
How much can the way cities grow tell us about the economic trajectory of their countries? According to the father of modern sociology, quite a lot.
Out-of-Pocket Blog
Personalized Health Insurance and the Payer Stack | Out-Of-Pocket Stacks on stacks on stacks
a year ago
Out-of-Pocket Blog
Healthcare, but funny | Out-Of-Pocket US healthcare is a joke. Let's make it funny.
a year ago
Drew Ex Machina
Failure to Launch: The First Moon Race 1958-60 While it has been a few months since I have published a new post on the Drew Ex Machina website,...
a year ago
25
a year ago
While it has been a few months since I have published a new post on the Drew Ex Machina website, that doesn’t mean that I haven’t […]
Stephen Wolfram...
Can AI Solve Science? Note: Click any diagram to get Wolfram Language code to reproduce it. Wolfram Language code for...
9 months ago
34
9 months ago
Note: Click any diagram to get Wolfram Language code to reproduce it. Wolfram Language code for training the neural nets used here is also available (requires GPU). Won’t AI Eventually Be Able to Do Everything? Particularly given its recent surprise successes, there’s a somewhat...
Quantum Frontiers
Eight highlights from publishing a science book for the general public What’s it like to publish a book? I’ve faced the question again and again this year, as my book...
over a year ago
26
over a year ago
What’s it like to publish a book? I’ve faced the question again and again this year, as my book Quantum Steampunk hit bookshelves in April. Two responses suggest themselves. On the one hand, I channel the Beatles: It’s a hard … Continue reading →
The Works in...
Should you infect yourself with Zika? What life is like in a challenge trial
8 months ago
Quantum Frontiers
Film noir and quantum thermo In four months, I’ll embark on the adventure of a lifetime—fatherhood. To prepare, I’ve been honing...
7 months ago
73
7 months ago
In four months, I’ll embark on the adventure of a lifetime—fatherhood. To prepare, I’ve been honing a quintessential father skill—storytelling. If my son inherits even a fraction of my tastes, he’ll soon develop a passion for film noir detective stories. … Continue reading →
Math Is Still...
A Plan to Address the World’s Challenges With Math Minhyong Kim is leading a new initiative called Mathematics for Humanity that encourages...
a year ago
59
a year ago
Minhyong Kim is leading a new initiative called Mathematics for Humanity that encourages mathematicians to apply their skills to solving social problems. The post A Plan to Address the World’s Challenges With Math first appeared on Quanta Magazine
Beautiful Public...
Government Comic Books Government comics have taught Americans how to prevent forest fires, survive a nuclear blast, and...
a year ago
23
a year ago
Government comics have taught Americans how to prevent forest fires, survive a nuclear blast, and how soldiers should handle homosexuality in the military.
The Works in...
Growing Forests As countries develop, deforestation drops
a year ago
nanoscale views
Technological civilization and losing object permanence In the grand tradition of physicists writing about areas outside their expertise, I wanted to put...
2 days ago
4
2 days ago
In the grand tradition of physicists writing about areas outside their expertise, I wanted to put down some thoughts on a societal trend.  This isn't physics or nanoscience, so feel free to skip this post. Object permanence is a term from developmental psychology.  A person (or...
Apoorva Srinivasan
on edward jenner and creativity One common question that’s on everyone’s minds as we fiercely scrub our hands, pool our resources,...
over a year ago
1
over a year ago
One common question that’s on everyone’s minds as we fiercely scrub our hands, pool our resources, conserve our consumption, stock up (but not hoard), invent calculus or write King Lear is: when will this end? Nobody knows what the answer to that question is but we
Eukaryote Writes...
Eukaryote in Asterisk Magazine + New Patreon Per-post setup Eukaryote elsewhere I have an article in the latest issue of Asterisk Magazine. After you get really...
a year ago
55
a year ago
Eukaryote elsewhere I have an article in the latest issue of Asterisk Magazine. After you get really deep into the weeds of invertebrate sentience and fish welfare and the scale of factory farming, what do you do with that information vis-a-vis what you feel comfortable eating?...
NeuroLogica Blog
Biofrequency Gadgets are a Total Scam I was recently asked what I thought about the Solex AO Scan. The website for the product includes...
10 months ago
25
10 months ago
I was recently asked what I thought about the Solex AO Scan. The website for the product includes this claim: AO Scan Technology by Solex is an elegant, yet simple-to-use frequency technology based on Tesla, Einstein, and other prominent scientists’ discoveries. It uses delicate...
Probably...
Bertrand’s Boxes An early draft of Probably Overthinking It included two chapters about probability. I still think...
7 months ago
76
7 months ago
An early draft of Probably Overthinking It included two chapters about probability. I still think they are interesting, but the other chapters are really about data, and the examples in these chapters are more like brain teasers — so I’ve saved them for another book. Here’s an...
Math Is Still...
What Has the Pandemic Taught Us About Vaccines? Should Covid-19 vaccines be judged by how well they prevent disease or how well they prevent death?...
a year ago
28
a year ago
Should Covid-19 vaccines be judged by how well they prevent disease or how well they prevent death? Anna Durbin, a public health expert and vaccine researcher, talks with Steven Strogatz about the science behind vaccines. The post What Has the Pandemic Taught Us About...
Blog - Practical...
Every Construction Machine Explained in 15 Minutes [Note that this article is a transcript of the video embedded above.] We talk about a lot of big...
a year ago
22
a year ago
[Note that this article is a transcript of the video embedded above.] We talk about a lot of big structures on this channel. But, it takes a lot of big tools to build the roads, dams, sewage lift stations, and every other part of the constructed environment. To me, there’s almost...
NeuroLogica Blog
Concrete Battery I know it’s only been a couple of weeks since I wrote about cement, but now I need to write about...
6 months ago
55
6 months ago
I know it’s only been a couple of weeks since I wrote about cement, but now I need to write about concrete, or potential version of concrete that is able to function as a battery. If we can get the technology to work this could an extremely useful item for a future of green...
Asterisk
Mysticism & Empiricism The best way to predict if you’ll benefit from psychedelic therapy is a questionnaire asking if...
a year ago
1
a year ago
The best way to predict if you’ll benefit from psychedelic therapy is a questionnaire asking if you’ve met God. Where did it come from, and what is it really measuring?
Beautiful Public...
1,000 Photos of Dolphin Fins Scars, scratches and wounds abound in these photos as encounters with unknown creatures and boat...
a year ago
64
a year ago
Scars, scratches and wounds abound in these photos as encounters with unknown creatures and boat propellers leave their marks, imprinting a story of close escapes and cheating death.
Explorations of an...
A Month In Northern Peru, Part 9: Tinamous In the Amazon To Rare Montane Monkeys (February 11, 2024) February 11, 2024 Our alarm went off at 4:30 AM and at 5:00 AM we began the long, windy drive in the...
5 months ago
31
5 months ago
February 11, 2024 Our alarm went off at 4:30 AM and at 5:00 AM we began the long, windy drive in the dark across the Andes. The reason for our early start is that we had a date with tinamous and wood-quails at a small family-run reserve called Arena Blanca. Our contact at the...
Explorations of an...
Day Four At Río Bigal - Birding The Interior Trails November 5, 2023 Sunday began overcast, but unlike the previous day there did not seem to be the...
a year ago
9
a year ago
November 5, 2023 Sunday began overcast, but unlike the previous day there did not seem to be the same threat of rain looming over everything. Therefore, yesterday's plan shifted to today. Natalia made me a packed lunch and I prepared for a day on my own on the long PNS trail. I...
Eukaryote Writes...
Who invented knitting? The plot thickens Last time on Eukaryote Writes Blog: You learned about knitting history. You thought you were done...
a year ago
23
a year ago
Last time on Eukaryote Writes Blog: You learned about knitting history. You thought you were done learning about knitting history? You fool. You buffoon. I wanted to double check some things in the last post and found out that the origins of knitting are even weirder than I...
NeuroLogica Blog
Pentagon Report – No UFOs In response to a recent surge in interest in alien phenomena and claims that the US government is...
9 months ago
29
9 months ago
In response to a recent surge in interest in alien phenomena and claims that the US government is hiding what it knows about extraterrestrials, the Pentagon established a committee to investigate the question – the All-Domain Anomaly Resolution Office (AARO). They have recently...
Math Is Still...
The Webb Telescope Further Deepens the Biggest Controversy in Cosmology A long-awaited study of the cosmic expansion rate suggests that when it comes to the Hubble tension,...
4 months ago
37
4 months ago
A long-awaited study of the cosmic expansion rate suggests that when it comes to the Hubble tension, cosmologists are still missing something. The post The Webb Telescope Further Deepens the Biggest Controversy in Cosmology first appeared on Quanta Magazine
Out-of-Pocket Blog
Newsletter One + Patient Zero | Out-Of-Pocket Shall we begin?
a year ago
IEEE Spectrum
How Vannevar Bush Engineered the 20th Century In the summer of 1945, Robert J. Oppenheimer and other key members of the Manhattan Project gathered...
6 months ago
56
6 months ago
In the summer of 1945, Robert J. Oppenheimer and other key members of the Manhattan Project gathered in New Mexico to witness the first atomic bomb test. Among the observers was Vannevar Bush, who had overseen the Manhattan Project and served as the sole liaison to U.S. President...
Explorations of an...
Cañadon de Profundidad and Iguazú Falls February 4, 2023 For our second day in Misiones, Laura and I ventured over to a small park only a...
a year ago
12
a year ago
February 4, 2023 For our second day in Misiones, Laura and I ventured over to a small park only a half-hour drive from our accommodations in Posadas. Our main reason for visiting Parque Provincial Cañadón de Profundidad was to search for Creamy-bellied Gnatcatcher, of which...
Casey Handmer's blog
Entrepreneurship changed the way I think A quick note with some self reflection on the eve of my 37th year and after nearly three years of...
3 months ago
2
3 months ago
A quick note with some self reflection on the eve of my 37th year and after nearly three years of running a hardware start up. I never saw myself as a founder. At some point a few years ago I realized nearly all my friends were founders or managers of their own business, but I...
NeuroLogica Blog
The Conversation Gets it Wrong on GMOs Even high quality media outlets will get it wrong from time to time. I notice this tends to happen...
a year ago
7
a year ago
Even high quality media outlets will get it wrong from time to time. I notice this tends to happen when there is a mature and sophisticated propaganda campaign that has had enough time and reach to essentially gaslight a major portion of the public, and further where a particular...
NeuroLogica Blog
GMOs and Butterflies Are attitudes towards genetically modified organisms (GMOs) in our agriculture softening? Back in...
a year ago
15
a year ago
Are attitudes towards genetically modified organisms (GMOs) in our agriculture softening? Back in 2015 a Pew survey found that the gap between public opinion and that of scientists was greatest on acceptance of GMOs (more than any other topic surveyed), with a 51% gap. But more...
Wanderingspace
Webb’s Jupiter So this is “false color” becuase it is infrared (like all Webb images) and made from only two...
over a year ago
18
over a year ago
So this is “false color” becuase it is infrared (like all Webb images) and made from only two filters orange and cyan. However, the detail is incredible. That dot is tiny Amalthea at the left and— yes… that is Jupiter’s elusive ring. According to researcher Thierry Fouchet, “This...
Many Worlds
Webb Telescope Finds No Signs of a Thick Atmosphere Around a Second TRAPPIST-1 Planet Among the most eagerly awaited results from the early observations of the James Webb Space Telescope...
a year ago
8
a year ago
Among the most eagerly awaited results from the early observations of the James Webb Space Telescope (JWST) is whether or not the seven rocky planets of the TRAPPIST-1 system have atmospheres. The TRAPPIST-1 planets are close to us (40 light-years away), are all solid rather than...
The Roots of...
Neither EA nor e/acc is what we need to build the future Over the last few years, effective altruism has gone through a rise-and-fall story arc worthy of any...
a year ago
21
a year ago
Over the last few years, effective altruism has gone through a rise-and-fall story arc worthy of any dramatic tragedy. The pandemic made them look prescient for warning about global catastrophic risks, including biosafety. A masterful book launch put them on the cover of TIME....
NeuroLogica Blog
Indigenous Knowledge I recently received the following question to the SGU e-mail: “I have had several conversations with...
8 months ago
73
8 months ago
I recently received the following question to the SGU e-mail: “I have had several conversations with friends/colleagues lately regarding indigenous beliefs/stories. They assert that not believing these based on oral histories alone is morally wrong and ignoring a different...
Explorations of an...
2023 Part 3: Spring And Summer In Ontario April (continued) Laura and I returned to Ontario in late April and I immediately jumped back into...
11 months ago
11
11 months ago
April (continued) Laura and I returned to Ontario in late April and I immediately jumped back into the local birding/naturalist scene. Spring is such a dynamic time of year and I tried to maximize every opportunity. In late April I spent a couple of days on Manitoulin Island,...
Math Is Still...
Doubts Grow About the Biosignature Approach to Alien-Hunting Recent controversies bode ill for the effort to detect life on other planets by analyzing the gases...
9 months ago
19
9 months ago
Recent controversies bode ill for the effort to detect life on other planets by analyzing the gases in their atmospheres. The post Doubts Grow About the Biosignature Approach to Alien-Hunting first appeared on Quanta Magazine
Willem Pennings
Home Assistant-compatible air quality sensor I recently moved and our new home is equipped with a ventilation system that distributes fresh...
over a year ago
5
over a year ago
I recently moved and our new home is equipped with a ventilation system that distributes fresh (outside) air through the house and recoups heat from the air that is exhausted. There is a problem with this system, though. Sometimes, for example when a neighbour lights their wood...
NeuroLogica Blog
Grief Tech In the awesome show, Black Mirror, one episode features a young woman who lost her husband. In her...
7 months ago
48
7 months ago
In the awesome show, Black Mirror, one episode features a young woman who lost her husband. In her grief she turns to a company that promises to give her at least a partial experience of her husband. They sift through every picture, video, comment, and other online trace of the...
NeuroLogica Blog
The Exoplanet Radius Gap As of this writing, there are 5,573 confirmed exoplanets in 4,146 planetary systems. That is enough...
10 months ago
19
10 months ago
As of this writing, there are 5,573 confirmed exoplanets in 4,146 planetary systems. That is enough exoplanets, planets around stars other than our own sun, that we can do some statistics to describe what’s out there. One curious pattern that has emerged is a relative gap in the...
NeuroLogica Blog
Tesla Demonstrated its Optimus Robot At a recent event Tesla showcased the capabilities of its humanoid autonomous robot, Optimus. The...
2 months ago
32
2 months ago
At a recent event Tesla showcased the capabilities of its humanoid autonomous robot, Optimus. The demonstration has come under some criticism, however, for not being fully transparent about the nature of the demonstration. We interviewed robotics expert, Christian Hubicki, on the...
Math Is Still...
Mathematicians Prove Hawking Wrong About the Most Extreme Black Holes For decades, extremal black holes were considered mathematically impossible. A new proof reveals...
4 months ago
37
4 months ago
For decades, extremal black holes were considered mathematically impossible. A new proof reveals otherwise. The post Mathematicians Prove Hawking Wrong About the Most Extreme Black Holes first appeared on Quanta Magazine
Math Is Still...
A Triplet Tree Forms One of the Most Beautiful Structures in Math The Markov numbers reveal the secrets of irrational numbers and the patterns of the Fibonacci...
a year ago
7
a year ago
The Markov numbers reveal the secrets of irrational numbers and the patterns of the Fibonacci sequence. But there’s one question about them that has resisted proof for over a century. The post A Triplet Tree Forms One of the Most Beautiful Structures in Math first...
Asterisk
What We Get Wrong About AI & China Everyone’s afraid of what China can and will do with AI. On the ground, the picture looks a lot more...
a year ago
1
a year ago
Everyone’s afraid of what China can and will do with AI. On the ground, the picture looks a lot more complicated.
NeuroLogica Blog
Artificial Robotic Muscles By now we have all seen the impressive robot videos, such as the ones from Boston Dynamics, in which...
3 months ago
38
3 months ago
By now we have all seen the impressive robot videos, such as the ones from Boston Dynamics, in which robots show incredible flexibility and agility. These are amazing, but I understand they are a bit like trick-shot videos – we are being shown the ones that worked, which may not...
Out-of-Pocket Blog
All of the main problems with US healthcare | Out-Of-Pocket let's get all of our problems out on the table
9 months ago
Out-of-Pocket Blog
Did The FDA Mess Up With Aduhelm? | Out-Of-Pocket Rethinking the approval, coverage, and reimbursement dynamic
a year ago
NeuroLogica Blog
Scammers on the Rise Good rule of thumb – assume it’s a scam. Anyone who contacts you, or any unusual encounter, assume...
10 months ago
51
10 months ago
Good rule of thumb – assume it’s a scam. Anyone who contacts you, or any unusual encounter, assume it’s a scam and you will probably be right. Recently I was called on my cell phone by someone claiming to be from Venmo. They asked me to confirm if I had just made two fund...
nanoscale views
Desirable properties for a superconductor Given the present interest, let's talk about what kind of properties one wants in a superconductor,...
a year ago
4
a year ago
Given the present interest, let's talk about what kind of properties one wants in a superconductor, as some people on social media seem ready to jump straight on the "what does superconductivity mean for bitcoin?" train. First, the preliminaries.  Superconductivity is a state of...
Math Is Still...
In a Monster Star’s Light, a Hint of Darkness Astronomers are scouring the cosmos for fingerprints of the invisible — tiny clumps of pure dark...
a year ago
6
a year ago
Astronomers are scouring the cosmos for fingerprints of the invisible — tiny clumps of pure dark matter that might solve a long-standing cosmic mystery. The post In a Monster Star’s Light, a Hint of Darkness first appeared on Quanta Magazine
Drew Ex Machina
The Promise of MIDAS: The First Experimental Early Warning Satellites Today in the United States we almost take for granted the military’s ability to detect missile...
a year ago
23
a year ago
Today in the United States we almost take for granted the military’s ability to detect missile launches anywhere on the planet and quickly determine whether it […]
The Roots of...
What I’ve been reading, May 2023 This is a monthly feature. As usual, I’ve omitted recent blog posts and such, which you can find in...
a year ago
42
a year ago
This is a monthly feature. As usual, I’ve omitted recent blog posts and such, which you can find in my links digests. John Gall, The Systems Bible (2012), aka Systemantics, 3rd ed. A concise, pithy collection of wisdom about “systems”, mostly human organizations, projects, and...
symmetry magazine
A cosmological headache For over a century, scientists have wondered what is counteracting the force of gravity in the...
a year ago
37
a year ago
For over a century, scientists have wondered what is counteracting the force of gravity in the universe.
Drew Ex Machina
Habitable Planet Reality Check: TOI-700e Discovered by NASA’s TESS Mission During a press conference held on January 6, 2020 at the 235th meeting of the American Astronomical...
a year ago
22
a year ago
During a press conference held on January 6, 2020 at the 235th meeting of the American Astronomical Society (AAS) in Honolulu, Emily Gilbert (then a graduate […]
The Works in...
The duplication crisis: the other replication crisis How bad publishing incentives hinder long-term thinking in computational biology research
3 months ago
Math Is Still...
Fossilized Molecules Reveal a Lost World of Ancient Life A new analysis of ancient sediments fills a gap in the fossil record — revealing a massive dynasty...
a year ago
6
a year ago
A new analysis of ancient sediments fills a gap in the fossil record — revealing a massive dynasty of ancient eukaryotes, which may have reigned for 800 million years and shaped the history of life of Earth. The post Fossilized Molecules Reveal a Lost World of Ancient...
Wanderingspace
URANUS FROM THE JAMES WEBB SPACE TELESCOPE This is not natural light, nothing is from Webb. The infrared image combines data from two filters...
a year ago
9
a year ago
This is not natural light, nothing is from Webb. The infrared image combines data from two filters which are shown in blue and orange,. The planet displays a blue hue in the resulting representative-color image which is similar to the planet’s actual color. But in reality Uranus...
Math Is Still...
Computation Is All Around Us, and You Can See It if You Try Computer scientist Lance Fortnow writes that by embracing the computations that surround us, we can...
6 months ago
34
6 months ago
Computer scientist Lance Fortnow writes that by embracing the computations that surround us, we can begin to understand and tame our seemingly random world. The post Computation Is All Around Us, and You Can See It if You Try first appeared on Quanta Magazine
NeuroLogica Blog
Should Japan Release Radioactive Water Into The Pacific? Japan is planning on releasing treated radioactive water from the Fukushima nuclear accident into...
a year ago
9
a year ago
Japan is planning on releasing treated radioactive water from the Fukushima nuclear accident into the ocean. They claim this will be completely safe, but there are protests going on in both Japan and South Korea, and China has just placed a ban on seafood from Japan. In a perfect...
Blog - Practical...
Every Kind of Bridge Explained in 15 Minutes [Note that this article is a transcript of the video embedded above.] The Earth is pretty cool and...
7 months ago
79
7 months ago
[Note that this article is a transcript of the video embedded above.] The Earth is pretty cool and all, but many of its most magnificent features make it tough for us to get around. When the topography is too wet, steep, treacherous, or prone to disaster, sometimes the only way...
Math Is Still...
How America’s Fastest Swimmers Use Math to Win Gold Number theorist Ken Ono is teaching Olympians to swim more efficiently. The post How...
5 months ago
Blog - Practical...
How Bridge Engineers Design Against Ship Collisions [Note that this article is a transcript of the video embedded above.] On March 26, 2024 (just a few...
7 months ago
63
7 months ago
[Note that this article is a transcript of the video embedded above.] On March 26, 2024 (just a few weeks ago, if you're watching this as it comes out), a large container ship struck one of the main support piers of the Francis Scott Key Bridge in Baltimore, Maryland, collapsing...
Melting Asphalt
Crony Beliefs [Note: if you prefer audio, you can listen to this essay narrated by Grognor on his excellent...
over a year ago
6
over a year ago
[Note: if you prefer audio, you can listen to this essay narrated by Grognor on his excellent podcast Second Enumerations. —Ed.]   Credits up front: This essay draws heavily from Overcoming Bias, Less Wrong, Slate Star Codex, Robert Kurzban, Robert… Read more ›
Quantum Frontiers
Memories of things past My best friend—who’s held the title of best friend since kindergarten—calls me the keeper of her...
a year ago
23
a year ago
My best friend—who’s held the title of best friend since kindergarten—calls me the keeper of her childhood memories. I recall which toys we played with, the first time I visited her house,1 and which beverages our classmates drank during snack … Continue reading →
Math Is Still...
How Do Machines ‘Grok’ Data? By apparently overtraining them, researchers have seen neural networks discover novel solutions to...
8 months ago
55
8 months ago
By apparently overtraining them, researchers have seen neural networks discover novel solutions to problems. The post How Do Machines ‘Grok’ Data? first appeared on Quanta Magazine
IEEE Spectrum
The Invention That Let Fiber Optics Span the Globe Plenty of big stories from the year 1985 had their moment in the sun and are now all but forgotten:...
a year ago
7
a year ago
Plenty of big stories from the year 1985 had their moment in the sun and are now all but forgotten: New Coke, “We Are the World,” the rise of desktop publishing. But one at-the-time obscure invention from that year has long eclipsed the frothy headlines of its time, because it...
Quantum Frontiers
The quantum gold rush Even if you don’t recognize the name, you probably recognize the saguaro cactus. It’s the archetype...
9 months ago
91
9 months ago
Even if you don’t recognize the name, you probably recognize the saguaro cactus. It’s the archetype of the cactus, a column from which protrude arms bent at right angles like elbows. As my husband pointed out, the cactus emoji is … Continue reading →
The Roots of...
Who regulates the regulators? IRBs Scott Alexander reviews a book about institutional review boards (IRBs), the panels that review...
a year ago
52
a year ago
IRBs Scott Alexander reviews a book about institutional review boards (IRBs), the panels that review the ethics of medical trials: From Oversight to Overkill, by Dr. Simon Whitney. From the title alone, you can see where this is going. IRBs are supposed to (among other things)...
Probably...
What size is that correlation? This article is related to Chapter 6 of Probably Overthinking It, which is available for preorder...
a year ago
3
a year ago
This article is related to Chapter 6 of Probably Overthinking It, which is available for preorder now. It is also related to a new course at Brilliant.org, Explaining Variation. Suppose you find a correlation of 0.36. How would you characterize it? I posed this question to the...
Chris Grossack's...
Preprint -- The RAAG Functor as a Categorical Embedding After almost a year of sitting on my hard drive, I finally had time in August to finish revising my...
a year ago
5
a year ago
After almost a year of sitting on my hard drive, I finally had time in August to finish revising my new preprint on Right Angled Artin Groups (Raags). And in September I had time to put it on the arxiv for people to see! Within 24 hours I had an email from somebody who had...
Probably...
Probably Overthinking It Notebooks To celebrate one month since the launch of Probably Overthinking It, I’m releasing the Jupyter...
11 months ago
36
11 months ago
To celebrate one month since the launch of Probably Overthinking It, I’m releasing the Jupyter notebooks I used to create the book. There’s one per chapter, and they contain all of the code I used to do the analysis and generate the figures. So if you are curious about the...
symmetry magazine
Seeing the full picture with line-intensity mapping Astronomers are championing a relatively new technique as a method to understand the structure of...
a year ago
6
a year ago
Astronomers are championing a relatively new technique as a method to understand the structure of the early universe in three dimensions.
NeuroLogica Blog
Coal vs Natural Gas In the last 18 years, since 2005, the US has decreased our CO2 emissions due to electricity...
a year ago
38
a year ago
In the last 18 years, since 2005, the US has decreased our CO2 emissions due to electricity generation by 32%, 819 million metric tons of CO2 per year. Thirty percent of this decline can be attributed to renewable energy generation. But 65% is attributed to essentially replacing...
Math Is Still...
Tight-Knit Microbes Live Together to Make a Vital Nutrient At sea, biologists discovered microbial partners that together produce nitrogen, a nutrient...
5 months ago
44
5 months ago
At sea, biologists discovered microbial partners that together produce nitrogen, a nutrient essential for life. The pair are in the process of merging into a single organism. The post Tight-Knit Microbes Live Together to Make a Vital Nutrient first appeared on Quanta...
The Roots of...
A plea for solutionism on AI safety Will AI kill us all? This question has rapidly gone mainstream. A few months ago, it wasn’t...
a year ago
33
a year ago
Will AI kill us all? This question has rapidly gone mainstream. A few months ago, it wasn’t seriously debated very far outside the rationalist community of LessWrong; now it’s reported in major media outlets including the NY Times, The Guardian, the Times of London, BBC, WIRED,...
NeuroLogica Blog
Flow Batteries – Now With Nanofluids Battery technology has been advancing nicely over the last few decades, with a fairly predictable...
10 months ago
33
10 months ago
Battery technology has been advancing nicely over the last few decades, with a fairly predictable incremental increase in energy density, charging time, stability, and lifecycle. We now have lithium-ion batteries with a specific energy of 296 Wh/kg – these are in use in existing...
Explorations of an...
Monsoon Season In Arizona, Part 5: Portal Back To Phoenix September 4, 2024 Our day began with coffee and breakfast on the deck, watching the bird feeders hum...
2 months ago
19
2 months ago
September 4, 2024 Our day began with coffee and breakfast on the deck, watching the bird feeders hum with activity. It was, sadly, our final morning in this region and we packed up and headed out. It would have been nice to have an extra night or two here, though you could say...
Quantum Frontiers
It from Qubit: The Last Hurrah Editor’s note: Since 2015, the Simons Foundation has supported the “It from Qubit” collaboration, a...
a year ago
5
a year ago
Editor’s note: Since 2015, the Simons Foundation has supported the “It from Qubit” collaboration, a group of scientists drawing on ideas from quantum information theory to address deep issues in fundamental physics. The collaboration held its “Last Hurrah” event at … Continue...
Wanderingspace
Morning and Night on Mars Yeah. Um… Wow. Nice Job NASA. I’ll just copy/paste how The Planetary Society explained it: “NASA's...
over a year ago
21
over a year ago
Yeah. Um… Wow. Nice Job NASA. I’ll just copy/paste how The Planetary Society explained it: “NASA's Curiosity team made this artistic interpretation of the rover's view from high up Mt. Sharp by combining pictures taken at different times of day and adding colors to bring out the...
ToughSF
Nuclear Photon Rockets: Flashlights to the Stars In this post, we will have a look at the concept of using a nuclear photon rocket for interstellar...
over a year ago
4
over a year ago
In this post, we will have a look at the concept of using a nuclear photon rocket for interstellar travel. They are an old concept that should theoretically be the ultimate form of relativistic propulsion. However, today they are unknown or unpopular. Why might that be the...
NeuroLogica Blog
How Were the Pyramids Built? The Egyptian pyramids, and especially the Pyramids at Giza, have fascinated people probably since...
7 months ago
45
7 months ago
The Egyptian pyramids, and especially the Pyramids at Giza, have fascinated people probably since their construction between 4700 and 3700 years ago. They are massive structures, and it boggles the mind that an ancient culture, without the benefit of any industrial technology,...
Asterisk
California vs. Big Soda Sugar-sweetened beverage taxes work. But during the time it took to figure this out, enacting them...
6 months ago
1
6 months ago
Sugar-sweetened beverage taxes work. But during the time it took to figure this out, enacting them became much harder.
NeuroLogica Blog
World Events and the Conspiracy Instinct By now most people have heard that on Saturday there was a failed assassination attempt on candidate...
5 months ago
50
5 months ago
By now most people have heard that on Saturday there was a failed assassination attempt on candidate Trump at a rally. While it has only been a few days, preliminary investigation has found that 20-year-old Thomas Matthew Crooks, using a AR style rifle purchased legally by his...
Math Is Still...
What Can Jellyfish Teach Us About Fluid Dynamics? Jellyfish and other aquatic creatures embody solutions to diverse problems in engineering, medicine...
a year ago
19
a year ago
Jellyfish and other aquatic creatures embody solutions to diverse problems in engineering, medicine and mathematics. John Dabiri, a fluid dynamics expert, talks with Steven Strogatz about what jellyfish can teach us about going with the flow. The post What Can...
Math Is Still...
In the Milky Way’s Stars, a History of Violence Our galaxy's stars keep a record of its past. By reading those stories, astronomers are learning...
a year ago
7
a year ago
Our galaxy's stars keep a record of its past. By reading those stories, astronomers are learning more about how the Milky Way came to be — and about the galaxy we live in today. The post In the Milky Way’s Stars, a History of Violence first appeared on Quanta Magazine
Blog - Practical...
How Fish Survive Hydro Turbines [Note that this article is a transcript of the video embedded above.] Most of the largest dams in...
9 months ago
58
9 months ago
[Note that this article is a transcript of the video embedded above.] Most of the largest dams in the US were built before we really understood the impacts they would have on river ecosystems. Or at least they were built before we were conscientious enough to weigh those impacts...
Math Is Still...
Will Better Superconductors Transform the World? Scientists are pursuing materials that can conduct electricity with perfect efficiency under ambient...
7 months ago
61
7 months ago
Scientists are pursuing materials that can conduct electricity with perfect efficiency under ambient conditions. In this episode, the physicist Siddharth Shanker Saxena tells co-host Janna Levin about what makes this hunt so difficult and consequential. The post Will...
Explorations of an...
Heading East Into The Atlantic Forest The Atlantic Forest (Mata Atlântica in Portuguese) stretches across the southeastern coastal region...
a year ago
15
a year ago
The Atlantic Forest (Mata Atlântica in Portuguese) stretches across the southeastern coastal region of Brazil, reaching inland as far as southeastern Paraguay and northeastern Argentina. In broad terms, the Atlantic Forest is formed and continues to be maintained by...
Blog - Practical...
What Is A Black Start Of The Power Grid? [Note that this article is a transcript of the video embedded above.] November 1965 saw one of the...
over a year ago
24
over a year ago
[Note that this article is a transcript of the video embedded above.] November 1965 saw one of the most widespread power outages in North American history. On the freezing cold evening of the 9th, the grid was operating at maximum capacity as people tried to stay warm when a...
IEEE Spectrum
35 Years Ago, Researchers Used Brain Waves to Control a Robot Using the brain to directly control an object was long the stuff of science fiction, and in 1988 the...
a year ago
9
a year ago
Using the brain to directly control an object was long the stuff of science fiction, and in 1988 the vision became a reality. IEEE Life Senior Member Stevo Bozinovski and Members Mihail Sestakov and Dr. Liljana Bozinovska used a student volunteer’s electroencephalogram (EEG)...
Cremieux Recueil
Eliminating Distractions in Longevity Research Longevity maximizers should invest in biotechnology, not modifiable lifestyle factors
2 months ago
Out-of-Pocket Blog
Announcing the Out-Of-Pocket Job Board! | Out-Of-Pocket Recruiting a ton? Get your healthcare jobs in front of the right people
a year ago
Math Is Still...
What Makes for ‘Good’ Mathematics? Terence Tao, who has been called the “Mozart of Mathematics,” wrote an essay in 2007 about the...
10 months ago
30
10 months ago
Terence Tao, who has been called the “Mozart of Mathematics,” wrote an essay in 2007 about the common ingredients in “good” mathematical research. In this episode, the Fields Medalist joins Steven Strogatz to revisit the topic. The post What Makes for ‘Good’...
Asterisk
China’s Silicon Future China dreams of competing with global superpowers in the semiconductor industry. Whether its efforts...
over a year ago
1
over a year ago
China dreams of competing with global superpowers in the semiconductor industry. Whether its efforts will succeed is far from clear.
NeuroLogica Blog
Will AI Make Work Redundant? Artificial Intelligence (AI) is coming for your job. This, at least, is increasingly conventional...
a year ago
5
a year ago
Artificial Intelligence (AI) is coming for your job. This, at least, is increasingly conventional wisdom, but I’m not so sure. In a recent interview, Elon Musk predicted that AI would “make paid work redundant.” I encountered the same opinion watching the latest season of...
Out-of-Pocket Blog
Dental Insurance, Value-Based Dental, and Beam Benefits | Out-Of-Pocket Why doesn’t dental have value-based care?
a year ago
Out-of-Pocket Blog
Retail and community pharmacies are changing | Out-Of-Pocket COVID tailwinds are changing the role of the pharmacy and pharmacist
a year ago
Math Is Still...
He Seeks Mystery Magnetic Fields With His Quantum Compass Alex Sushkov is updating an old technology with new quantum tricks in hopes of sensing the magnetic...
7 months ago
59
7 months ago
Alex Sushkov is updating an old technology with new quantum tricks in hopes of sensing the magnetic influence of dark matter. The post He Seeks Mystery Magnetic Fields With His Quantum Compass first appeared on Quanta Magazine
symmetry magazine
Will AI make MC the MVP of particle physics? Particle physicists are building innovative machine-learning algorithms to enhance Monte Carlo...
a year ago
10
a year ago
Particle physicists are building innovative machine-learning algorithms to enhance Monte Carlo simulations with the power of AI.
Beautiful Public...
Wild Horses The Bureau of Land Management wants to pay you $1,000 to adopt a wild horse. But the program has...
a year ago
66
a year ago
The Bureau of Land Management wants to pay you $1,000 to adopt a wild horse. But the program has been criticized by animal rights advocates and subject to scrutiny by Congress.
NeuroLogica Blog
Harvesting Energy from Water Vapor I did not plan to write yet another post about energy, but this popped up and I had to write about...
a year ago
54
a year ago
I did not plan to write yet another post about energy, but this popped up and I had to write about it. UMASS researchers have produced a device that generates electricity by harvesting charge from water vapor. They write: The common feature of these materials is that they are...
The Works in...
The End of Combustion Vehicles The final section of Ch.2 of Stewart Brand's Maintenance on Books in Progress
a year ago
Out-of-Pocket Blog
The Upfront Pricing Phenomenon | Out-Of-Pocket Imagine actually knowing what things cost in advance lmao
a year ago
NeuroLogica Blog
Tong Test for Artificial General Intelligence Most readers are probably familiar with the Turing Test – a concept proposed by early computing...
a year ago
7
a year ago
Most readers are probably familiar with the Turing Test – a concept proposed by early computing expert Alan Turing in 1950, and originally called “The Imitation Game”. The original paper is enlightening to read. Turing was not trying to answer the question “can machines think”....
NeuroLogica Blog
MOBE – A New Gene Editing System Have you memorized yet what CRISPR stands for – clustered regularly interspaced short palindromic...
7 months ago
41
7 months ago
Have you memorized yet what CRISPR stands for – clustered regularly interspaced short palindromic repeats? Well, now you can add MOBE to the list – multiplexed orthogonal base editor. Base editors are not new, they are basically enzymes that will change one base – C (cytosine), T...
Math Is Still...
How to Build a Big Prime Number A new algorithm brings together the advantages of randomness and deterministic processes to reliably...
a year ago
15
a year ago
A new algorithm brings together the advantages of randomness and deterministic processes to reliably construct large prime numbers. The post How to Build a Big Prime Number first appeared on Quanta Magazine
The Works in...
The San Diego infinite housing glitch How a bonus ADU program allows 'granny towers' in gardens
2 months ago
Explorations of an...
Monsoon Season In Arizona, Part 2: The Huachucas September 1, 2024 For the first and only time in the trip I managed a much-needed seven hours of...
2 months ago
18
2 months ago
September 1, 2024 For the first and only time in the trip I managed a much-needed seven hours of sleep. Unfortunately, some of the others were woken up earlier than they would have liked. The owner of Beatty's Guest Ranch (he lives in a different building on the property) owns a...
NeuroLogica Blog
A Climate Debate Regarding Health Effects – Part I This is the first entry in an exchange between me and Scott Hastings, who requested the exchange....
a year ago
32
a year ago
This is the first entry in an exchange between me and Scott Hastings, who requested the exchange. This is his opening arguments. My response will be tomorrow’s post.   Part I: Hi Steven, first of all, I am tremendously grateful to you for taking time to engage with me on this...
NeuroLogica Blog
Another UFO Whistleblower How seriously should we take the claims of David Grusch? He is an airforce veteran and former member...
a year ago
30
a year ago
How seriously should we take the claims of David Grusch? He is an airforce veteran and former member of the UAP (unidentified aerial phenomena) task force, which is enough to at least hear him out. He gave an exclusive interview to journalist Ross Coulthart from NewsNation, part...
Quantum Frontiers
The Book of Mark, Chapter 2 Late in the summer of 2021, I visited a physics paradise in a physical paradise: the Kavli Institute...
a year ago
11
a year ago
Late in the summer of 2021, I visited a physics paradise in a physical paradise: the Kavli Institute for Theoretical Physics (KITP). The KITP sits at the edge of the University of California, Santa Barbara like a bougainvillea bush at … Continue reading →
Asterisk
AI Isn’t Coming for Tech Jobs—Yet LLMs can make a developer’s job easier and faster. When might they make them obsolete?
a year ago
Asterisk
Rebuilding After the Replication Crisis Over a decade has passed since scientists realized many of their studies were failing to replicate....
over a year ago
1
over a year ago
Over a decade has passed since scientists realized many of their studies were failing to replicate. How well have their attempts to fix the problem actually worked?
Asterisk
The Highway to NIMBYism San Francisco’s history of collective decision-making helped prevent the city from being carved up...
7 months ago
1
7 months ago
San Francisco’s history of collective decision-making helped prevent the city from being carved up by highways. Today, that same legacy prevents the city from building what it desperately needs: more housing.
Quantum Frontiers
Building a Visceral Understanding of Quantum Phenomena A great childhood memory that I have comes from first playing “The Incredible Machine” on PC in the...
4 months ago
47
4 months ago
A great childhood memory that I have comes from first playing “The Incredible Machine” on PC in the early 90’s. For those not in the know, this is a physics-based puzzle game about building Rube Goldberg style contraptions to achieve … Continue reading →
Light from Space
The Cat's Paw Located very close to the Lobster Nebula in the southern constellation of Scorpius, the Cat's Paw...
over a year ago
19
over a year ago
Located very close to the Lobster Nebula in the southern constellation of Scorpius, the Cat's Paw Nebula (NGC 6334) does indeed have a striking resemblance to a feline footprint. It's quite low in the sky here from Tucson (at a maximum of about 22º above
NeuroLogica Blog
Using Genetic Engineering To Fight Malaria Despite robust efforts to fight it, malaria remains one of the most significant infectious diseases...
a year ago
8
a year ago
Despite robust efforts to fight it, malaria remains one of the most significant infectious diseases affecting humans. According to UNICEF – ” In 2021, there were 247 million malaria cases globally that led to 619,000 deaths in total. Of these deaths, 77 per cent were children...
IEEE Spectrum
Fakes: Not an Internet Thing, a Human Thing Every day, as the Internet becomes more indispensable to modern life, the drawbacks of deep...
a year ago
9
a year ago
Every day, as the Internet becomes more indispensable to modern life, the drawbacks of deep engagement with the virtual realm capture as much attention as the wide-ranging benefits. On the Internet, of course, anyone can in all too many forums pretty much say anything—regardless...
The Works in...
Notes on Progress: The world that has never been Introducing Speculative Technologies
a year ago
ToughSF
NTER: Nuclear Thermal-Electric Rocket There is a type of nuclear propulsion that can have most of the acceleration of a nuclear thermal...
over a year ago
3
over a year ago
There is a type of nuclear propulsion that can have most of the acceleration of a nuclear thermal rocket but also the high Isp of an electric thruster.  Let’s have a look at nuclear ‘thermal-electric’ engines and their advantages. The title image is from 'dV: Rings of...
Drew Ex Machina
Top Ten Posts of 2022 Now that we are at the end of 2022, it is time to look back at this year’s material published on...
a year ago
27
a year ago
Now that we are at the end of 2022, it is time to look back at this year’s material published on Drew Ex Machina and see […]
nanoscale views
Scientific publishing - where are we going? I think it's safe to say that anyone involved in scientific publishing will tell you that it's a...
a year ago
26
a year ago
I think it's safe to say that anyone involved in scientific publishing will tell you that it's a mess and the trends are worrisome.  This week, this news release/article came out about this preprint which shows a number of the issues.  In brief (not all of this is in the...
NeuroLogica Blog
Eating Methane Methane is the forgotten greenhouse gas (sort of). Often, when discussing how best to reduce...
a year ago
6
a year ago
Methane is the forgotten greenhouse gas (sort of). Often, when discussing how best to reduce anthropogenic climate change, we talk about decarbonizing our electrical and transport sectors, and carbon removal. But methane is also a greenhouse gas, contributing to global warming,...
Math Is Still...
How Did Altruism Evolve? If evolution favors the survival of the fittest, where did the impulse to help others come from?...
10 months ago
29
10 months ago
If evolution favors the survival of the fittest, where did the impulse to help others come from? Host Janna Levin speaks with Stephanie Preston, a neuropsychologist who studies the biology of altruism. The post How Did Altruism Evolve? first appeared on Quanta...
brr
Brr Wants A Job 8 months post-ice, it's time for something new!
5 months ago
Interaction Magic -...
Plastic archeology The history, science and engineering of Lego bricks, on the cusp between trash and treasure.
a year ago
Quantum Frontiers
My favorite rocket scientist Whenever someone protests, “I’m not a rocket scientist,” I think of my friend Jamie Rankin. Jamie is...
5 months ago
58
5 months ago
Whenever someone protests, “I’m not a rocket scientist,” I think of my friend Jamie Rankin. Jamie is a researcher at Princeton University, and she showed me her lab this June. When I first met Jamie, she was testing instruments to … Continue reading →
NeuroLogica Blog
Controlling the Narrative with AI There is an ongoing battle in our society to control the narrative, to influence the flow of...
10 months ago
21
10 months ago
There is an ongoing battle in our society to control the narrative, to influence the flow of information, and thereby move the needle on what people think and how they behave. This is nothing new, but the mechanisms for controlling the narrative are evolving as our communication...
IEEE Spectrum
Granville T. Woods: Smartest Guy in the Room Any home baker will confirm that, even if you have all the right ingredients and follow the recipe,...
a year ago
7
a year ago
Any home baker will confirm that, even if you have all the right ingredients and follow the recipe, things don’t always turn out the way you envisioned. Such was the life of inventor extraordinaire Granville T. Woods. Who was Granville T. Woods? Woods was endowed with...
Quantum Frontiers
Noncommuting charges are much like Batman Understanding a character’s origins enriches their narrative and motivates their actions. Take...
9 months ago
28
9 months ago
Understanding a character’s origins enriches their narrative and motivates their actions. Take Batman as an example: without knowing his backstory, he appears merely as a billionaire who might achieve more by donating his wealth rather than masquerading as a bat … Continue...
Math Is Still...
Teen Mathematicians Tie Knots Through a Mind-Blowing Fractal Three high schoolers and their mentor revisited a century-old theorem to prove that all knots can be...
3 weeks ago
12
3 weeks ago
Three high schoolers and their mentor revisited a century-old theorem to prove that all knots can be found in a fractal called the Menger sponge. The post Teen Mathematicians Tie Knots Through a Mind-Blowing Fractal first appeared on Quanta Magazine
Explorations of an...
Monsoon Season In Arizona, Part 3: Hunter Canyon to Portal September 2, 2024 We awoke to another beautiful sunrise in the Huachuca Mountains. I could get used...
2 months ago
12
2 months ago
September 2, 2024 We awoke to another beautiful sunrise in the Huachuca Mountains. I could get used to this view. View from Beatty's Guest Ranch - Miller Canyon, Cochise County, Arizona This was our final morning in this region; we had plans to make the long drive eastwards...
The Works in...
Lost Science When discoveries are forgotten and then found
11 months ago