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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
4
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...
symmetry magazine
Encouraging a new community Physicists advocate for getting community college students involved in research.
a year ago
Math Is Still...
The Year in Biology Biologists used artificial intelligence to make discoveries about molecules and the brain, and...
4 days ago
4
4 days ago
Biologists used artificial intelligence to make discoveries about molecules and the brain, and overturned long-held assumptions about the immune system and RNA. The post The Year in Biology first appeared on Quanta Magazine
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
Out-of-Pocket Blog
Healthcare Ideas That Look Good But Are Bad | Out-Of-Pocket clinical trial matching, "find a specialist", and more
8 months ago
The Works in...
Does higher density cause lower birth rates? Assessing one recent claim that it does
7 months ago
NeuroLogica Blog
A Climate Debate Regarding Health Effects – Part IV Part 4 This will be the final installment of this mini-debate about climate change and health...
a year ago
52
a year ago
Part 4 This will be the final installment of this mini-debate about climate change and health effects, following a typical format of each person getting to make a statement and a response. Scott makes a lot of complaints about tone, format and fairness while simultaneously trying...
Explorations of an...
Borneo: Quest For The Bulwer's Pheasant The Bulwer's Pheasant was one of the first birds to grab hold of my attention when I first flipped...
3 weeks ago
4
3 weeks ago
The Bulwer's Pheasant was one of the first birds to grab hold of my attention when I first flipped through the pages of my Borneo field guide many years ago. This pheasant of Bornean hill forest is nearly unbelievable-looking (the male, that is). He has a deep maroon chest and a...
Cremieux Recueil
American Elections Are Unfair Unfortunately, unfairness is baked in
a month 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
35
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...
NeuroLogica Blog
Starship Explodes in Successful Launch A common joke in the medical world is, “The operation was a success, but the patient died.” The...
a year ago
24
a year ago
A common joke in the medical world is, “The operation was a success, but the patient died.” The irony comes from how we might define “success”. On April 20th SpaceX conducted the maiden launch of the fully assembled Starship, including a Starship rocket on top of a super heavy...
Blog - Practical...
Why Bridges Don't Sink [Note that this article is a transcript of the video embedded above.] The essence of a bridge is not...
5 months ago
67
5 months ago
[Note that this article is a transcript of the video embedded above.] The essence of a bridge is not just that it goes over something, but that there’s clear space underneath for a river, railway, or road. Maybe this is already obvious to you, but bridges present a unique...
NeuroLogica Blog
Hunger Circuitry One of the organizing principles that govern living organisms is homeostasis. This is a key feature...
a year ago
5
a year ago
One of the organizing principles that govern living organisms is homeostasis. This is a key feature of being alive – maintaining homeostatic equilibrium both internally and externally. Homeostatic systems usually involve multiple feedback loops that maintain some physiological...
Confessions of a...
Reflections of a postgrad lecturer-in-training: Part 1 In a previous post, I mentioned that I was beginning a stint as postgraduate teaching intern at UWA,...
over a year ago
25
over a year ago
In a previous post, I mentioned that I was beginning a stint as postgraduate teaching intern at UWA, and that part of the internship involved keeping a reflective journal.  So I’ve decided that instead of merely writing down my thoughts (and possibly becoming lazy about it as the...
Probably...
Another step toward a two-hour marathon This is an update to an analysis I run each time the marathon world record is broken. If you like...
a year ago
5
a year ago
This is an update to an analysis I run each time the marathon world record is broken. If you like this sort of thing, you will like my forthcoming book, Probably Overthinking It, which is available for preorder now. On October 8, 2023, Kelvin Kiptum ran the Chicago Marathon in...
nanoscale views
The 2022 Welch Conference The last couple of weeks have been very full.   One event was the annual Welch Foundation conference...
over a year ago
24
over a year ago
The last couple of weeks have been very full.   One event was the annual Welch Foundation conference (program here).  The program chair for this one was W. E. Moerner, expert (and Nobel Laureate) on single-molecule spectroscopy, and it was really a great meeting.  I'm not just...
Stephen Wolfram...
What’s Really Going On in Machine Learning? Some Minimal Models The Mystery of Machine Learning It’s surprising how little is known about the foundations of machine...
4 months ago
41
4 months ago
The Mystery of Machine Learning It’s surprising how little is known about the foundations of machine learning. Yes, from an engineering point of view, an immense amount has been figured out about how to build neural nets that do all kinds of impressive and sometimes almost...
Quantum Frontiers
Mo’ heights mo’ challenges – Climbing mount grad school My wife’s love of mountain hiking and my interest in quantum thermodynamics collided in Telluride,...
over a year ago
26
over a year ago
My wife’s love of mountain hiking and my interest in quantum thermodynamics collided in Telluride, Colorado. We spent ten days in Telluride, where I spoke at the Information Engines at the Frontiers of Nanoscale Thermodynamics workshop. Telluride is a gorgeous … Continue reading...
Marine Madness
Penguin Problems: Are human-induced food shortages driving population declines? We all love penguins. Clumsy and awkward on land, stealthy and precise underwater- these charismatic...
over a year ago
22
over a year ago
We all love penguins. Clumsy and awkward on land, stealthy and precise underwater- these charismatic creatures have captured our hearts ever since the release of March of the Penguins. Unfortunately, penguin populations across the globe (especially in South Africa and Antarctica)...
Eukaryote Writes...
Web-surfing tips for strange times Meditations on what's bad about the internet lately and how to use it anyhow.
6 months ago
symmetry magazine
Life along the future DUNE beamline Unseen neutrinos, visible lives: A photographer journeys through the Midwest.
a year ago
NeuroLogica Blog
The Lunar Cycle and Suicide Does the lunar cycle affect human behavior? This seems to be a question that refuses to die, no...
a year ago
62
a year ago
Does the lunar cycle affect human behavior? This seems to be a question that refuses to die, no matter how hard it is to confirm any actual effect. It’s now a cultural idea, deeply embedded and not going anywhere. A recent study, however, seems to show a correlation between...
Math Is Still...
The Two Faces of Space-Time A mysterious phenomenon known as duality often leads to new discoveries in physics. This time,...
2 months ago
19
2 months ago
A mysterious phenomenon known as duality often leads to new discoveries in physics. This time, space-time itself can sometimes be two things at once. The post The Two Faces of Space-Time first appeared on Quanta Magazine
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
20
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
The Works in...
Fixing retail with land value capture How to create beautiful shopping streets everywhere
6 months ago
Wanderingspace
Saturn Family Portrait From planetary.org: On July 29, 2011, Cassini captured five of Saturn’s moons in a single frame with...
over a year ago
20
over a year ago
From planetary.org: On July 29, 2011, Cassini captured five of Saturn’s moons in a single frame with its narrow-angle camera: Janus, Pandora, Enceladus, Rhea, and Mimas. NASA/JPL-Caltech/Space Science Institute. This is a full-color look at a view that was originally published in...
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
7
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...
The Works in...
Notes on Progress: In pursuit of decent coffee No great stagnation in home espresso
a year ago
Math Is Still...
The Researcher Who Explores Computation by Conjuring New Worlds Russell Impagliazzo studies hard problems, the limits of cryptography, the nature of randomness and...
9 months ago
19
9 months ago
Russell Impagliazzo studies hard problems, the limits of cryptography, the nature of randomness and more. The post The Researcher Who Explores Computation by Conjuring New Worlds first appeared on Quanta Magazine
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
Eukaryote Writes...
Internet Harvest (2020, 2) Internet Harvest is a selection of the most succulent links on the internet that I’ve recently...
over a year ago
21
over a year ago
Internet Harvest is a selection of the most succulent links on the internet that I’ve recently plucked from its fruitful boughs. Feel free to discuss the links in the comments. Also, semi-intentionally, none of the links in this harvest are COVID-19-related. If you want some...
Beautiful Public...
The Pillbox Database The National Library of Medicine's Pillbox dataset contained 8,693 photographs of pills, with an...
over a year ago
28
over a year ago
The National Library of Medicine's Pillbox dataset contained 8,693 photographs of pills, with an accompanying database of drug information. It was built to help with the identification of unknown pills.
Asterisk
Developmental Editing
5 months ago
NeuroLogica Blog
Coaching with Empathy The show Ted Lasso is about to wrap up its final season. I am one of the many people who really...
a year ago
36
a year ago
The show Ted Lasso is about to wrap up its final season. I am one of the many people who really enjoy the show, which turns on a group of likable people helping each other through various life challenges with care and empathy. Lasso is an American college football coach who was...
NeuroLogica Blog
Deepfake Doctor Endorsements This kind of abuse of deepfake endorsements was entirely predictable, so it’s not surprising that a...
5 months ago
43
5 months ago
This kind of abuse of deepfake endorsements was entirely predictable, so it’s not surprising that a recent BMJ study documents the scale of this fraud. The study focused on the UK, detailing instances of deepfakes of celebrity doctors endorsing dubious products. For example,...
Math Is Still...
Even a Single Bacterial Cell Can Sense the Seasons Changing Though they live only a few hours before dividing, bacteria can anticipate the approach of cold...
2 months ago
27
2 months ago
Though they live only a few hours before dividing, bacteria can anticipate the approach of cold weather and prepare for it. The discovery suggests that seasonal tracking is fundamental to life. The post Even a Single Bacterial Cell Can Sense the Seasons Changing first...
Math Is Still...
Electric ‘Ripples’ in the Resting Brain Tag Memories for Storage New experiments reveal how the brain chooses which memories to save and add credence to advice about...
7 months ago
70
7 months ago
New experiments reveal how the brain chooses which memories to save and add credence to advice about the importance of rest. The post Electric ‘Ripples’ in the Resting Brain Tag Memories for Storage first appeared on Quanta Magazine
Asterisk
When RAND Made Magic in Santa Monica RAND’s halcyon days lasted two decades, during which the corporation produced some of the most...
6 months ago
2
6 months ago
RAND’s halcyon days lasted two decades, during which the corporation produced some of the most influential developments in science and American foreign policy. So how did it become just another think tank?
Drew Ex Machina
Tropical Weather Analytics and Phantom Space Partner on Hurricane Hunter Satellite Constellation Tropical Weather Analytics, Inc. (TWA), with a revolutionary 3D measurement capability for improved...
a year ago
33
a year ago
Tropical Weather Analytics, Inc. (TWA), with a revolutionary 3D measurement capability for improved hurricane forecasting and weather intelligence, is announcing a strategic partnership with Phantom Space […]
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
8
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
Math Is Still...
Can Math and Physics Save an Arrhythmic Heart? Abnormal waves of electrical activity can cause a heart’s muscle cells to beat out of sync. In this...
a year ago
14
a year ago
Abnormal waves of electrical activity can cause a heart’s muscle cells to beat out of sync. In this episode, Flavio Fenton, an expert in cardiac dynamics, talks with Steve Strogatz about ways to treat heart arrhythmias without resorting to painful defibrillators. The...
Probably...
We Have a Book! My copy of Probably Overthinking It has arrived! If you want a copy for yourself, you can get a 30%...
a year ago
10
a year ago
My copy of Probably Overthinking It has arrived! If you want a copy for yourself, 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. The official...
Asterisk
Beyond Staple Grains The Green Revolution saved a billion lives, but it left a legacy of homogenous diets and distorted...
a year ago
2
a year ago
The Green Revolution saved a billion lives, but it left a legacy of homogenous diets and distorted agricultural markets. What impact has this had on global health — and how can we move forward?
Math Is Still...
Exoplanets Could Help Us Learn How Planets Make Magnetism New observations of a faraway rocky world that might have its own magnetic field could help...
a year ago
11
a year ago
New observations of a faraway rocky world that might have its own magnetic field could help astronomers understand the seemingly haphazard magnetic fields swaddling our solar system’s planets. The post Exoplanets Could Help Us Learn How Planets Make Magnetism first...
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
39
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
Damn Interesting
The Unceasing Cessna Hacienda Warren “Doc” Bayley was a man of the people. When he and his wife Judy opened their Las Vegas resort...
over a year ago
4
over a year ago
Warren “Doc” Bayley was a man of the people. When he and his wife Judy opened their Las Vegas resort in 1956, Bayley had no plans to compete with the flashier, corporate casinos at the center of the Strip. Instead, the Hacienda Hotel catered to families, as well as to locals who...
The Works in...
Introducing Gentle Density A new series from Works in Progress
a year ago
nanoscale views
Scientific travel Particularly in these post-pandemic, climate-change-addled, zoom-enabled times, I appreciate the...
a year ago
31
a year ago
Particularly in these post-pandemic, climate-change-addled, zoom-enabled times, I appreciate the argument that it's always worth asking, "Is this trip really necessary?"  We are in the age of remote work and zoom seminars that are attended by people from all over the world.  Is...
Uncharted...
What Is the Earth’s Carrying Capacity? Most "experts" don't understand technology or economics
a month ago
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
11
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...
Interaction Magic -...
3 tips for co-designing with kids Designing future sports products with a group of 11 year olds.
a year ago
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...
In the ‘Wild West’ of Geometry, Mathematicians Redefine the Sphere High-dimensional spheres can have a much wider variety of structures than mathematicians thought...
a year ago
6
a year ago
High-dimensional spheres can have a much wider variety of structures than mathematicians thought possible. The post In the ‘Wild West’ of Geometry, Mathematicians Redefine the Sphere first appeared on Quanta Magazine
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
4
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.
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
4
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...
The Roots of...
What I’ve been reading, November 2023 A ~monthly feature. Recent blog posts and news stories are generally omitted; you can find them in...
a year ago
34
a year ago
A ~monthly feature. Recent blog posts and news stories are generally omitted; you can find them in my links digests. All emphasis in bold in the quotes below was added by me. Books Finished Lynn White, Medieval Technology and Social Change (1962). Last time I talked about the...
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
92
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 →
Asterisk
Shutting the California Prison System’s Revolving Door Between 2009 and 2014, California passed a series of laws to reduce the population in its prison...
5 months ago
2
5 months ago
Between 2009 and 2014, California passed a series of laws to reduce the population in its prison system, which for years had operated over capacity. Determining whether those laws worked was not a straightforward task.
Asterisk
Development Finance Done Right A veteran diplomat explains how to navigate the U.S. development ecosystem, master the interagency...
5 months ago
2
5 months ago
A veteran diplomat explains how to navigate the U.S. development ecosystem, master the interagency process, and bring electricity to 200 million people.
Explorations of an...
2023 Part 4: Indonesia and Ecuador September The island of Sulawesi must be on the bucket list for any naturalist with a strong...
11 months ago
11
11 months ago
September The island of Sulawesi must be on the bucket list for any naturalist with a strong interest in biogeography. Though Borneo is situated only a few hundred kilometers to the west, and the Moluccas are not far to the east, the species composition of Sulawesi is...
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”....
The Works in...
Should you infect yourself with Zika? What life is like in a challenge trial
8 months ago
NeuroLogica Blog
Let’s Talk About Cement Industry is responsible for 23% of carbon emissions, close to the amount of electricity production...
6 months ago
43
6 months ago
Industry is responsible for 23% of carbon emissions, close to the amount of electricity production (25%) and transportation (28%). We talk a lot about transportation and energy, but industrial carbon is a harder nut to crack. Also, the 23% is direct carbon release from industrial...
Math Is Still...
A New Map of the Universe, Painted With Cosmic Neutrinos Physicists finally know where at least some of these high-energy particles come from, which helps...
a year ago
22
a year ago
Physicists finally know where at least some of these high-energy particles come from, which helps make the neutrinos useful for exploring fundamental physics. The post A New Map of the Universe, Painted With Cosmic Neutrinos first appeared on Quanta Magazine
Uncharted...
6 Questions You Asked Yourself about Solar How fast will it take over, how fast are costs shrinking, why is it so cheap, what industries will...
a month ago
4
a month ago
How fast will it take over, how fast are costs shrinking, why is it so cheap, what industries will it birth, how much surface will it take up, where will it appear first?
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
65
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...
Math Is Still...
A Very Big Small Leap Forward in Graph Theory Four mathematicians have found a new upper limit to the “Ramsey number,” a crucial property...
a year ago
70
a year ago
Four mathematicians have found a new upper limit to the “Ramsey number,” a crucial property describing unavoidable structure in graphs. The post A Very Big Small Leap Forward in Graph Theory first appeared on Quanta Magazine
Casey Handmer's blog
SLS is still a national disgrace Four years ago, unable to find a comprehensive summary of the ongoing abject failure known as the...
2 months ago
4
2 months ago
Four years ago, unable to find a comprehensive summary of the ongoing abject failure known as the NASA SLS (Space Launch System), I wrote one. If you’re unfamiliar with the topic, you should read it first.  It is hard to …
The Works in...
Getting people to donate their organs Too few people donate their organs, dead or alive. How can we make it easier?
8 months ago
Out-of-Pocket Blog
Some crypto x healthcare ideas | Out-Of-Pocket Decentralized EMRs, Insurance DAOs, and Drug Picking Models
a year ago
IEEE Spectrum
Lewis H. Latimer: A Life of Lightbulb Moments James Weldon Johnson’s hymn “Lift Every Voice and Sing,” adopted by African Americans as the...
a year ago
5
a year ago
James Weldon Johnson’s hymn “Lift Every Voice and Sing,” adopted by African Americans as the unofficial “Negro National Anthem,” includes the line, “We have come over a way that with tears has been watered,” which sums up how Black Americans have found ways to thrive under...
NeuroLogica Blog
The Threat of Technology In my second book (shameless plug alert) – The Skeptics’ Guide to the Future – my coauthors and I...
a year ago
5
a year ago
In my second book (shameless plug alert) – The Skeptics’ Guide to the Future – my coauthors and I try to imagine both the utopian and dystopian versions of the future, brought about by technology, either individually or collectively. This topic has come up multiple times recently...
Blog - Practical...
This Bridge Should Have Been Closed Years Before It Collapsed [Note that this article is a transcript of the video embedded above.] On January 28, 2022, about an...
6 months ago
61
6 months ago
[Note that this article is a transcript of the video embedded above.] On January 28, 2022, about an hour before dawn, the four-lane Fern Hollow Bridge in Pittsburgh, Pennsylvania, collapsed without warning. Five vehicles, including an articulating bus, fell with the bridge, and...
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...
Math Is Still...
These Cells Spark Electricity in the Brain. They’re Not Neurons. For decades, researchers have debated whether brain cells called astrocytes can signal like neurons....
a year ago
7
a year ago
For decades, researchers have debated whether brain cells called astrocytes can signal like neurons. Researchers recently published the best evidence yet that some astrocytes are part of the electrical conversation. The post These Cells Spark Electricity in the Brain....
symmetry magazine
A call to cite Black women and gender minorities Theoretical astrophysicist Chanda Prescod-Weinstein recently unveiled the Cite Black Women+ in...
a year ago
19
a year ago
Theoretical astrophysicist Chanda Prescod-Weinstein recently unveiled the Cite Black Women+ in Physics and Astronomy Bibliography.
NeuroLogica Blog
Decarbonizing Aviation and Agriculture When we talk about reducing carbon release in order to slow down and hopefully stop anthropogenic...
2 months ago
31
2 months ago
When we talk about reducing carbon release in order to slow down and hopefully stop anthropogenic global warming much of the focus is on the energy and transportation sectors. There is a good reason for this – the energy sector is responsible for 25% of greenhouse gas (GHG)...
NeuroLogica Blog
Should You Get a Heat Pump? Starting around 1550 and lasting through the 1600s, England had an energy crisis. They were running...
a year ago
54
a year ago
Starting around 1550 and lasting through the 1600s, England had an energy crisis. They were running out of wood, which was the main source of fuel for residential and commercial heating. England also needed a lot of wood for their massive navy – it took about 2,000 trees to build...
Quantum Frontiers
What is the logical gate speed of a photonic quantum computer? Terry Rudolph, PsiQuantum & Imperial College London During a recent visit to the wild western town...
a year ago
40
a year ago
Terry Rudolph, PsiQuantum & Imperial College London During a recent visit to the wild western town of Pasadena I got into a shootout at high-noon trying to explain the nuances of this question to a colleague. Here is a more … Continue reading →
Drew Ex Machina
First Pictures: Color View of the Earth & A Tropical Depression from Space – October 5, 1954 While today we are inundated with color images of the Earth, our earliest views from space were...
2 months ago
33
2 months ago
While today we are inundated with color images of the Earth, our earliest views from space were confined to monochromatic or black and white images (see […]
Out-of-Pocket Blog
Match Day and the Unmatched | Out-Of-Pocket an underutilized workforce?
a year ago
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
249
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
Math Is Still...
Quantum Complexity Shows How to Escape Hawking’s Black Hole Paradox Inside of a black hole, the two theoretical pillars of 20th-century physics appear to clash. Now a...
a year ago
5
a year ago
Inside of a black hole, the two theoretical pillars of 20th-century physics appear to clash. Now a group of young physicists think they have resolved the conflict by appealing to the central pillar of the new century — the physics of quantum information. The post...
Many Worlds
Many Worlds Archive is Available I had the pleasure of reporting and writing the Many Worlds column — sponsored by NASA’s NExSS...
a year ago
32
a year ago
I had the pleasure of reporting and writing the Many Worlds column — sponsored by NASA’s NExSS initiative and the Lunar & Planetary Institute — for almost eight years. But the run came to an end in October. Now an archive of the more than 400 columns is easily available at...
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
8
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...
Math Is Still...
What Could Explain the Gallium Anomaly? Physicists have ruled out a mundane explanation for the strange findings of an old Soviet...
5 months ago
46
5 months ago
Physicists have ruled out a mundane explanation for the strange findings of an old Soviet experiment, leaving open the possibility that the results point to a new fundamental particle. The post What Could Explain the Gallium Anomaly? first appeared on Quanta Magazine
Math Is Still...
Flow Proof Helps Mathematicians Find Stability in Chaos A series of new papers describes how to fully characterize key dynamical systems with relatively...
a year ago
27
a year ago
A series of new papers describes how to fully characterize key dynamical systems with relatively little data. The post Flow Proof Helps Mathematicians Find Stability in Chaos first appeared on Quanta Magazine
nanoscale views
APS March Meeting 2023 - coming soon I will be attending the 2023 APS March Meeting in Las Vegas this week.  I will do my best to try to...
a year ago
21
a year ago
I will be attending the 2023 APS March Meeting in Las Vegas this week.  I will do my best to try to report on some highlights daily, though that may be more challenging than usual for me this time around (looming proposal deadline that I suspect all of my condensed matter faculty...
Math Is Still...
How Randomness Improves Algorithms Unpredictability can help computer scientists solve otherwise intractable problems. The...
a year ago
42
a year ago
Unpredictability can help computer scientists solve otherwise intractable problems. The post How Randomness Improves Algorithms first appeared on Quanta Magazine
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...
NeuroLogica Blog
Man Gets Pig Kidney Transplant On March 16 surgeons transplanted a kidney taken from a pig into a human recipient, Rick Slayman. So...
9 months ago
57
9 months ago
On March 16 surgeons transplanted a kidney taken from a pig into a human recipient, Rick Slayman. So far the transplant is a success, but of course the real test will be how well the kidney functions and for how long. This is the first time such a transplant has been done into a...
Interaction Magic -...
Modelling my brain A 22 hour medical experiment breathing 12% oxygen, and the 7000 images of my brain that came out of...
over a year ago
2
over a year ago
A 22 hour medical experiment breathing 12% oxygen, and the 7000 images of my brain that came out of it.
Blog - Practical...
The Bizarre Paths of Groundwater Around Structures [Note that this article is a transcript of the video embedded above.] In 2015, an unusual incident...
over a year ago
24
over a year ago
[Note that this article is a transcript of the video embedded above.] In 2015, an unusual incident happened on the construction site for a sewage lift station in British Columbia, Canada. WorksafeBC, the provincial health and safety agency, posted a summary of the event on...
Drew Ex Machina
The Largest Launch Vehicles in Service – 1957 to the Present With the successful launch of NASA’s Artemis I test flight, we now have a new holder of the title...
over a year ago
20
over a year ago
With the successful launch of NASA’s Artemis I test flight, we now have a new holder of the title “the largest launch vehicle in service”: the […]
Explorations of an...
Day Two At Río Bigal - Brilliant Birding and Magnificent Mothing The Pink-throated Brilliant.  There are, of course, many other weird and wonderful species that call...
a year ago
10
a year ago
The Pink-throated Brilliant.  There are, of course, many other weird and wonderful species that call Río Bigal home, but I was first drawn to the idea of visiting this reserve while reading about the enigmatic Pink-throated Brilliant. This rare hummingbird lives only in forest in...
Asterisk
The Depths of Wikipedians A conversation about yogurt wars, German hymns, tropical cyclones, and the people who make Wikipedia...
a month ago
2
a month ago
A conversation about yogurt wars, German hymns, tropical cyclones, and the people who make Wikipedia function.
Marine Madness
Farming Fiasco: The world’s first commercial octopus breeding programme It seems ironic that shortly after an amendment to the Animal Welfare (Sentience) Bill stating...
over a year ago
21
over a year ago
It seems ironic that shortly after an amendment to the Animal Welfare (Sentience) Bill stating octopuses to be ‘sentient beings’ capable of a range of human-like emotions such as joy, pleasure, excitement, as well as pain, distress, and harm, plans of the word’s first commercial...
Quantum Frontiers
May I have this dance? This July, I came upon a museum called the Haus der Musik in one of Vienna’s former palaces. The...
a year ago
26
a year ago
This July, I came upon a museum called the Haus der Musik in one of Vienna’s former palaces. The museum contains a room dedicated to Johann Strauss II, king of the waltz. The room, dimly lit, resembles a twilit gazebo. … Continue reading →
IEEE Spectrum
The Forgotten Story of How IBM Invented the Automated Fab In 1970, Bill Harding envisioned a fully automated wafer-fabrication line that would produce...
3 weeks ago
23
3 weeks ago
In 1970, Bill Harding envisioned a fully automated wafer-fabrication line that would produce integrated circuits in less than one day. Not only was such a goal gutsy 54 years ago, it would be bold even in today’s billion-dollar fabs, where the fabrication time of an advanced IC...
Asterisk
The Transistor Cliff Moore’s law may be coming to an end. What happens to AI progress if it does?
a year ago
Math Is Still...
How Is Cell Death Essential to Life? Cells in our bodies are constantly dying — and these countless tiny deaths are essential to human...
2 weeks ago
11
2 weeks ago
Cells in our bodies are constantly dying — and these countless tiny deaths are essential to human health and multicellular life itself. In this episode, co-host Steven Strogatz speaks with cellular biologist Shai Shaham about what makes a cell “alive” and the latest developments...
Quantum Frontiers
Happy 200th birthday, Carnot’s theorem! In Kenneth Grahame’s 1908 novel The Wind in the Willows, a Mole meets a Water Rat who lives on a...
3 weeks ago
16
3 weeks ago
In Kenneth Grahame’s 1908 novel The Wind in the Willows, a Mole meets a Water Rat who lives on a River. The Rat explains how the River permeates his life: “It’s brother and sister to me, and aunts, and company, … Continue reading →
Explorations of an...
A Tour Of The Western Galápagos Archipelago The Galápagos archipelago is one of those must-visit destinations for anyone with an interest in...
a year ago
5
a year ago
The Galápagos archipelago is one of those must-visit destinations for anyone with an interest in ecology, evolution, or biogeography. The islands are located in the eastern Pacific where a “hotspot” deep within the earth has been spewing magma for millions of years. The oldest...
ToughSF
Particle Beams in Space Science fiction is missing a realistic and grounded look at particle beams. We plan to do just that...
over a year ago
6
over a year ago
Science fiction is missing a realistic and grounded look at particle beams. We plan to do just that now.   After reading this, you might decide to give particle beams their rightful place alongside lasers as a means of transmitting power, propelling spacecraft or dealing damage...
NeuroLogica Blog
Apologizing for Uri Geller A recent New York Times article tries to rehabilitate the reputation of Uri Geller, famed...
a year ago
27
a year ago
A recent New York Times article tries to rehabilitate the reputation of Uri Geller, famed spoon-bending magician, by simply telling a one-sided narrative. From my perspective as a skeptic, this was a terrible article that missed the real issue, glossed over glaring defects in...
Asterisk
Is Wine Fake? Wine commands wealth, prestige, and attention from aficionados. How much of what they admire is in...
over a year ago
2
over a year ago
Wine commands wealth, prestige, and attention from aficionados. How much of what they admire is in their heads?
Math Is Still...
Does Nothingness Exist? Even empty space bubbles with energy, according to quantum mechanics — and that fact affects almost...
a year ago
4
a year ago
Even empty space bubbles with energy, according to quantum mechanics — and that fact affects almost every facet of physical reality. The theoretical physicist Isabel Garcia Garcia explains to Steven Strogatz why it’s so important in modern physics to understand what a true vacuum...
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
26
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...
Chris Grossack's...
Talk -- 2-Categorical Descent and (Essentially) Algebraic Theories A few weeks ago I gave a talk at the CT Octoberfest 2023 about some work I did over the summer that...
a year ago
6
a year ago
A few weeks ago I gave a talk at the CT Octoberfest 2023 about some work I did over the summer that I’m really proud of. Unfortunately, while writing up the result I found a 1999 paper by Pedicchio and Wood that proves the same theorem (with roughly the same proof), so I...
Casey Handmer's blog
We can Terraform the American West Why is there almost nothing on the left hand side of the USA? Water scarcity! We’re missing 300...
a month ago
3
a month ago
Why is there almost nothing on the left hand side of the USA? Water scarcity! We’re missing 300 million Americans. We’re missing  30 global cities west of 100 degrees longitude. We should do something about it! The western US is a parched opportunity to create millions of acres...
nanoscale views
Rice University Academy of Fellows postdoc opportunity, 2023 As I have posted in previous years, Rice has a university-wide endowed honorific postdoctoral...
over a year ago
21
over a year ago
As I have posted in previous years, Rice has a university-wide endowed honorific postdoctoral program called the Rice Academy of Fellows.   Like all such things, it's very competitive. The new application listing has gone live here with a deadline of January 4, 2023. ...
Math Is Still...
How ‘Idle’ Egg Cells Defend Their DNA From Damage How do immature egg cells maintain genetic quality for decades before they mature? Scientists find...
7 months ago
77
7 months ago
How do immature egg cells maintain genetic quality for decades before they mature? Scientists find unusual safeguards in this quiescent cell that may inform research into fertility. The post How ‘Idle’ Egg Cells Defend Their DNA From Damage first appeared on Quanta...
Blog - Practical...
HEAVY CONSTRUCTION of a Sewage Pump Station - Ep 4 This is the fourth episode of a five-part pilot series to gauge your interest in "How It's...
a year ago
30
a year ago
This is the fourth episode of a five-part pilot series to gauge your interest in "How It's Made"-esque heavy construction videos. Drop a comment or send me an email to let me know what you think! Watch on YouTube above or ad-free on Nebula here.
Out-of-Pocket Blog
"AI sucks", Quantifying EMR burden, and Loneliness | Out-Of-Pocket 3 interesting papers I like
a year ago
Asterisk
Oops
10 months ago
Math Is Still...
Cryptographers Solve Decades-Old Privacy Problem Three researchers have found a long-sought way to pull information from large databases secretly,...
a year ago
5
a year ago
Three researchers have found a long-sought way to pull information from large databases secretly, moving us closer to fully private internet searches. The post Cryptographers Solve Decades-Old Privacy Problem first appeared on Quanta Magazine
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
34
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...
NeuroLogica Blog
RFK Jr., Joe Rogan, and Vaccines RFK Jr., who is now running for the Democratic presidential nomination, is anti-vaccine. He will...
a year ago
22
a year ago
RFK Jr., who is now running for the Democratic presidential nomination, is anti-vaccine. He will vehemently deny this, but I don’t buy it for a second. He is simply playing the, “I’m not anti-vaccine, I am pro-safe vaccine” gambit, which is disingenuous and always has been. We...
Asterisk
Michael Lewis’s Blind Side In Going Infinite, the famed chronicler of American finance proves he’s more interested in myths...
10 months ago
2
10 months ago
In Going Infinite, the famed chronicler of American finance proves he’s more interested in myths than morals — or even math.
NeuroLogica Blog
Panspermia Again Recently I was asked what I thought about this video, which suggests it is possible that life formed...
a year ago
10
a year ago
Recently I was asked what I thought about this video, which suggests it is possible that life formed in the early universe, shortly after the Big Bang. Although no mentioned specifically in the video, the ideas presents are essentially panspermia – the idea that life formed in...
Eukaryote Writes...
There’s no such thing as a tree (phylogenetically) Dendronization – Evolving into a tree-like morphology. (In the style of “carcinization".) From...
over a year ago
22
over a year ago
Dendronization – Evolving into a tree-like morphology. (In the style of “carcinization".) From 'dendro', the ancient Greek root for tree.
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
9
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...
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
53
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...
nanoscale views
Brief items - light-driven diamagnetism, nuclear recoil, spin transport in VO2 Real life continues to make itself felt in various ways this summer (and that's not even an allusion...
5 months ago
52
5 months ago
Real life continues to make itself felt in various ways this summer (and that's not even an allusion to political madness), but here are three papers (two from others and a self-indulgent plug for our work) you might find interesting. There has been a lot of work in recent...
The Roots of...
Why no Roman Industrial Revolution? Why didn’t the Roman Empire have an industrial revolution? Bret Devereaux has an essay addressing...
a year ago
7
a year ago
Why didn’t the Roman Empire have an industrial revolution? Bret Devereaux has an essay addressing that question, which multiple people have pointed me to at various times. In brief, Devereaux says that Britain industrialized through a very specific path, involving coal mines,...
nanoscale views
Strategic planning + departmental reviews It's been a while since I've written a post about the ways of academia, so I thought it might be...
a year ago
2
a year ago
It's been a while since I've written a post about the ways of academia, so I thought it might be time, though it's not exactly glamorous or exciting.  There are certain cycles in research universities, and two interrelated ones are the cycle of departmental strategic planning and...
The Works in...
Issue 14: A peasant surprise Plus: Giving yourself the Zika virus, cut-and-cover railway tunnels, and more reasons to donate your...
10 months ago
Probably...
Think Python Goes to Production Think Python has moved into production, on schedule for the official publication date in July — but...
9 months ago
58
9 months ago
Think Python has moved into production, on schedule for the official publication date in July — but maybe earlier if things go well. To celebrate, I have posted the next batch of chapters on the new site, up through Chapter 12, which is about Markov text analysis and generation,...
Asterisk
Through the Looking Glass, and What Zheludev et al. (2024) Found There Every time microbiologists develop a new way of looking, they find that there’s more to see than...
5 months ago
symmetry magazine
Do hidden influences give neutrinos their tiny mass? The quest to understand the small mass of neutrinos is also a quest to discover new particles. ...
a year ago
26
a year ago
The quest to understand the small mass of neutrinos is also a quest to discover new particles. Neutrinos are the byproducts of astronomical events that give us life.  They shoot out from the nuclear fusion reaction within the sun and radiate from supernovas....
Math Is Still...
‘The Rest of the World Disappears’: Claire Voisin on Mathematical Creativity The recipient of the 2024 Crafoord Prize in Mathematics discusses math as art, math as language, and...
9 months ago
20
9 months ago
The recipient of the 2024 Crafoord Prize in Mathematics discusses math as art, math as language, and math as abstract thought. The post ‘The Rest of the World Disappears’: Claire Voisin on Mathematical Creativity 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
58
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...
Out-of-Pocket Blog
“There Are Too Many Entrenched Interests” | Out-Of-Pocket The Six Stages Of Health Tech Grief Part 3
a year ago
Math Is Still...
Animal Mutation Rates Reveal Traits That Speed Evolution The first large-scale comparison of mutation rates gives insights into how quickly species can...
a year ago
35
a year ago
The first large-scale comparison of mutation rates gives insights into how quickly species can evolve. The post Animal Mutation Rates Reveal Traits That Speed Evolution first appeared on Quanta Magazine
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
16
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
Stephen Wolfram...
Ruliology of the “Forgotten” Code 10 My All-Time Favorite Science Discovery June 1, 1984—forty years ago today—is when it would be fair...
6 months ago
60
6 months ago
My All-Time Favorite Science Discovery June 1, 1984—forty years ago today—is when it would be fair to say I made my all-time favorite science discovery. Like with basically all significant science discoveries (despite the way histories often present them) it didn’t happen without...
Out-of-Pocket Blog
Weird issues in value-based care | Out-Of-Pocket Thoughts on value-based care from people actually building in it
2 months ago
NeuroLogica Blog
UK Building More Nuclear The nuclear debate seems never-ending, which I guess is to be expected. Every large technology has...
a year ago
31
a year ago
The nuclear debate seems never-ending, which I guess is to be expected. Every large technology has tradeoffs. But the need to transition our energy infrastructure to carbon neutral has shifted the equation, and it is now arguable that we cannot afford to ignore the option of...
Quantum Frontiers
Noncommuting charges are much like Batman Understanding a character’s origins enriches their narrative and motivates their actions. Take...
9 months ago
29
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...
Probably...
Superbolts Probably Overthinking It is available to predorder now. You can get a 30% discount if you order from...
a year ago
6
a year ago
Probably Overthinking It is available to predorder now. 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. Recently I read a Scientific American...
NeuroLogica Blog
AC vs DC and other Power Questions I was away last week, first at CSICON and then at a conference in Dubai. I was invited to give a 9...
a month ago
28
a month ago
I was away last week, first at CSICON and then at a conference in Dubai. I was invited to give a 9 hour seminar on scientific skepticism for the Dubai Future Foundation. That sounds like a lot of time, but it isn’t. It was a good reminder of the vast body of knowledge that is...
NeuroLogica Blog
Do We Have Free Will? Let’s dive head first into one of the internet’s most contentious questions – do we have true free...
a year ago
6
a year ago
Let’s dive head first into one of the internet’s most contentious questions – do we have true free will? This comes up not infrequently whenever I write here about neuroscience, most recently when I wrote about hunger circuitry, because the notion of the brain as a physical...
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
12
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...
NeuroLogica Blog
The Moon Race is On Back in the 1960 there was a race to land people on the Moon between the US and the Soviet Union....
6 months ago
51
6 months ago
Back in the 1960 there was a race to land people on the Moon between the US and the Soviet Union. This was very much a part of the cold war, with each country interested in showing off its technical prowess to the world with a technology closely related to that needed to deliver...
Wanderingspace
Mars Express is Still Making Great Images 20 Years Later Mars Express was launched by the European Space Agency in 2003, and is ESA’s first Mars mission. In...
3 months ago
37
3 months ago
Mars Express was launched by the European Space Agency in 2003, and is ESA’s first Mars mission. In one shot, you can see Mars as a half-lit disk, with Phobos, its tiny moon, hovering above. Right below Phobos is Olympus Mons, the solar system's largest volcano, towering 22 km...
Explorations of an...
2023 Part 2: Early March through April (Brazil) March On March 4, Laura and I landed in São Paulo. It was our first time in Brazil. Even though we...
12 months ago
10
12 months ago
March On March 4, Laura and I landed in São Paulo. It was our first time in Brazil. Even though we had planned to spend much of the next two months exploring Brazil, the country is so large that we could only see a small portion of it. We restricted our route to only include...
brr
Snowdrifts 4 days of blown snow into a doorway.
a year ago
brr
Sunset Hunkering down for the winter!
a year ago
ToughSF
Actively Cooled Armor: from Helium to Liquid Tin. We have seen designs for long ranged particle beams and powerful lasers. Could they be the end-all,...
over a year ago
5
over a year ago
We have seen designs for long ranged particle beams and powerful lasers. Could they be the end-all, be-all of space warfare? Not if we fend off their destructive power with actively cooled armor. Let's have a look at the different cooling solutions, from high pressure gas to...
nanoscale views
Bob Curl - it is possible to be successful and also a good person I went to a memorial service today at Rice for my late colleague Bob Curl, who died this past...
over a year ago
26
over a year ago
I went to a memorial service today at Rice for my late colleague Bob Curl, who died this past summer, and it was a really nice event.  I met Bob almost immediately upon my arrival at Rice back in 2000 (though I’d heard about him from my thesis advisor, who’d met him at the Nobel...
NeuroLogica Blog
AI Humor It’s been less than two years (November 2022) since ChatGPT launched. In some ways the new large...
4 months ago
26
4 months ago
It’s been less than two years (November 2022) since ChatGPT launched. In some ways the new large language model (LLM) type of artificial intelligence (AI) applications have been on the steep part of the improvement curve. And yet, they are still LLMs with the same limitations. In...
Wanderingspace
Venus from Earth (with Stacking) Image taken by @TheVastReaches. According to the photographer, “It takes just a few minutes to...
over a year ago
19
over a year ago
Image taken by @TheVastReaches. According to the photographer, “It takes just a few minutes to collect all the frames. This started as 6 video files, 45,000 frames total. Then they are stacked and combined.”
Math Is Still...
Math’s ‘Game of Life’ Reveals Long-Sought Repeating Patterns John Conway’s Game of Life, a famous cellular automaton, has been found to have periodic patterns of...
11 months ago
45
11 months ago
John Conway’s Game of Life, a famous cellular automaton, has been found to have periodic patterns of every possible length. The post Math’s ‘Game of Life’ Reveals Long-Sought Repeating Patterns first appeared on Quanta Magazine
Math Is Still...
‘Species Repulsion’ Enables High Biodiversity in Tropical Trees Because tree seedlings don’t grow as well when close to their parents, more tree species can be...
a year ago
5
a year ago
Because tree seedlings don’t grow as well when close to their parents, more tree species can be packed into tropical forests. The post ‘Species Repulsion’ Enables High Biodiversity in Tropical Trees first appeared on Quanta Magazine
Out-of-Pocket Blog
Yet Another Teladongo Take | Out-Of-Pocket You haven't read enough of them
a year ago
NeuroLogica Blog
Some Battery News I have been following battery technology pretty closely, as this is a key technology for the...
a year ago
59
a year ago
I have been following battery technology pretty closely, as this is a key technology for the transition to green energy. The most obvious application is in battery electric vehicles (BEVs). The second most obvious application is in grid storage. But also there are all the...
Tikalon Blog by Dev...
Spiderweb Microphone Microphones convert sound into an electrical signal for subsequent amplification, as in auditorium...
3 months ago
4
3 months ago
Microphones convert sound into an electrical signal for subsequent amplification, as in auditorium public address systems; or transmission, as in landline and mobile phones. The most common types of microphones are carbon, used in early telephones, condenser, electret, dynamic,...
Math Is Still...
How the Ancient Art of Eclipse Prediction Became an Exact Science The timing of the total eclipse on April 8, 2024, will be known to within a second, thousands of...
8 months ago
34
8 months ago
The timing of the total eclipse on April 8, 2024, will be known to within a second, thousands of years after fearful humans first started trying to anticipate these cosmic events. The post How the Ancient Art of Eclipse Prediction Became an Exact Science first...
Sean Carroll
The Biggest Ideas in the Universe | 23. Criticality and Complexity Spherical cows are important because they let us abstract away all the complications of the real...
over a year ago
44
over a year ago
Spherical cows are important because they let us abstract away all the complications of the real world and think about underlying principles. But what about when the complications are the point? Then we enter the realm of complex systems — which, interestingly, has its own...
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
11
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
Out-of-Pocket Blog
GPT-3 x Healthcare: Democratizing AI | Out-Of-Pocket ICD-10 vs. GPT-3, who will win?
a year ago
brr
Cape Crozier A nearby field camp, and my first helicopter flight!
over a year ago
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
2
6 months ago
Sugar-sweetened beverage taxes work. But during the time it took to figure this out, enacting them became much harder.
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
6
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...
Out-of-Pocket Blog
Newsletter One + Patient Zero | Out-Of-Pocket Shall we begin?
a year ago
Math Is Still...
Pleasure or Pain? He Maps the Neural Circuits That Decide. The work of the neuroscientist Ishmail Abdus-Saboor has opened up a world of insights into precisely...
8 months ago
61
8 months ago
The work of the neuroscientist Ishmail Abdus-Saboor has opened up a world of insights into precisely how much pleasure and pain animals experience during different forms of touch. The post Pleasure or Pain? He Maps the Neural Circuits That Decide. first appeared on...
IEEE Spectrum
How This Record Company Engineer Invented the CT Scanner The inspiration for computed tomography (CT) came from a chance conversation that research engineer...
a year ago
4
a year ago
The inspiration for computed tomography (CT) came from a chance conversation that research engineer Godfrey Hounsfield had with a doctor while on vacation in the 1960s. The physician complained that X-ray images of the brain were too grainy and only two-dimensional. Hounsfield...
Math Is Still...
The Brainstem Fine-Tunes Inflammation Throughout the Body The evolutionarily ancient part of the brain that controls breathing and heart rate also regulates...
6 months ago
43
6 months ago
The evolutionarily ancient part of the brain that controls breathing and heart rate also regulates the immune system — a discovery about the brain-body axis made by experts on taste. The post The Brainstem Fine-Tunes Inflammation Throughout the Body first appeared on...
Explorations of an...
A Quest Nature Tour Of Jamaica The Caribbean island of Jamaica is a naturalist’s paradise. Situated south of eastern Cuba, east of...
8 months ago
57
8 months ago
The Caribbean island of Jamaica is a naturalist’s paradise. Situated south of eastern Cuba, east of Honduras and north of Colombia, Jamaica has an interesting assemblage of species with different origins. Jamaica was never connected to the mainland throughout its long geological...
Beautiful Public...
Special Database 18: 3,248 Mugshots Used for Training Image Recognition Systems The National Institute of Standards and Technology (NIST) has maintained a dataset of mugshot photos...
a year ago
26
a year ago
The National Institute of Standards and Technology (NIST) has maintained a dataset of mugshot photos of 1,573 people for decades, including 175 minors, until we asked about them.
NeuroLogica Blog
DNA Nanorobot Kill Switch for Cancer How’s that for a provocative title? But it is technically accurate. The title of the paper in...
5 months ago
46
5 months ago
How’s that for a provocative title? But it is technically accurate. The title of the paper in question is: “A DNA robotic switch with regulated autonomous display of cytotoxic ligand nanopatterns.” The study is a proof of concept in an animal model, so we are still years away...
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
7
a year ago
Astronomers are championing a relatively new technique as a method to understand the structure of the early universe in three dimensions.
Math Is Still...
Why Is This Shape So Terrible to Pack? Two mathematicians have proved a long-standing conjecture that is a step on the way toward finding...
5 months ago
65
5 months ago
Two mathematicians have proved a long-standing conjecture that is a step on the way toward finding the worst shape for packing the plane. The post Why Is This Shape So Terrible to Pack? first appeared on Quanta Magazine
Math Is Still...
A Brief History of Tricky Mathematical Tiling The discovery earlier this year of the “hat” tile marked the culmination of hundreds of years of...
a year ago
7
a year ago
The discovery earlier this year of the “hat” tile marked the culmination of hundreds of years of work into tiles and their symmetries. The post A Brief History of Tricky Mathematical Tiling first appeared on Quanta Magazine
nanoscale views
Molecular electronics in 2023 This past week I was fortunate to attend this meeting, the most recent in an every-few-years series...
a year ago
26
a year ago
This past week I was fortunate to attend this meeting, the most recent in an every-few-years series that brings together a group of researchers interested in electronic transport in molecular systems.  This brings together physicists and chemists, and this was the first one I've...
Asterisk
The Death and Life of Prediction Markets at Google Over the past two decades, Google has hosted two different internal platforms for predictions. Why...
a month ago
2
a month ago
Over the past two decades, Google has hosted two different internal platforms for predictions. Why did the first one fail — and will the other endure?
Chris Grossack's...
$\mathsf{B}\text{Diff}(\Sigma)$ Classifies $\Sigma$-bundles I’ve been trying to learn all about topological (quantum) field theories, the cobordism hypothesis,...
yesterday
7
yesterday
I’ve been trying to learn all about topological (quantum) field theories, the cobordism hypothesis, and how to use $(\infty,n)$-categories. This is all in service of some stuff I’m doing with skein algebras (which are part of a “$3+1$ TQFT” often named after Crane–Yetter, but...
Blog - Practical...
Was Starship’s Stage Zero a Bad Pad? [Note that this article is a transcript of the video embedded above.] On April 20, 2023, SpaceX...
a year ago
57
a year ago
[Note that this article is a transcript of the video embedded above.] On April 20, 2023, SpaceX launched it’s first orbital test flight of its Starship spacecraft from Boca Chica on the gulf coast of Texas. You probably saw this, if not live, at least in the stunning videos that...
Explorations of an...
Parque Nacional Calilegua Parque Nacional Calilegua protects around 76,000 hectares of east-slope yungas forest, making it the...
a year ago
16
a year ago
Parque Nacional Calilegua protects around 76,000 hectares of east-slope yungas forest, making it the largest national park in northwestern Argentina. It would, therefore, feature prominently on our trip. Laura and I arrived in the general area during the afternoon of January 25,...
Wanderingspace
JUPITER FROM JUNO An unusual perspective, captured by NASA's Juno spacecraft in 2018.
a year ago
Explorations of an...
Chasing Endemics in Córdoba Córdoba is the second most populated city in Argentina, located in the Punilla Valley around 600 km...
a year ago
17
a year ago
Córdoba is the second most populated city in Argentina, located in the Punilla Valley around 600 km northwest of Buenos Aires. Laura and I spent one night in the city before our morning's birding. Our destination: the beautiful Sierras de Córdoba to the west of the city and...
Stephen Wolfram...
Foundations of Biological Evolution: More Results & More Surprises This is a follow-on to Why Does Biological Evolution Work? A Minimal Model for Biological Evolution...
2 weeks ago
19
2 weeks ago
This is a follow-on to Why Does Biological Evolution Work? A Minimal Model for Biological Evolution and Other Adaptive Processes [May 3, 2024]. Even More from an Extremely Simple Model A few months ago I introduced an extremely simple “adaptive cellular automaton” model that...
Bartosz Ciechanowski
Airfoil The dream of soaring in the sky like a bird has captivated the human mind for ages. Although many...
9 months ago
60
9 months ago
The dream of soaring in the sky like a bird has captivated the human mind for ages. Although many failed, some eventually succeeded in achieving that goal. These days we take air transportation for granted, but the physics of flight can still be puzzling. In this article we’ll...
Light from Space
Lagoon and the Hourglass A view of the center region of the Lagoon Nebula (Messier 8, Sharpless 25). There's several other...
over a year ago
18
over a year ago
A view of the center region of the Lagoon Nebula (Messier 8, Sharpless 25). There's several other objects visible, notably the Hourglass Nebula and open star cluster NGC 6530, as well as numerous Bok globules (the small dark clouds, that will one day form new stars). Click...
Out-of-Pocket Blog
Healthcare in Jail | Out-Of-Pocket How does it work?
a year ago
Math Is Still...
Behold Modular Forms, the ‘Fifth Fundamental Operation’ of Math Modular forms are one of the most beautiful and mysterious objects in mathematics. What are they? ...
a year ago
8
a year ago
Modular forms are one of the most beautiful and mysterious objects in mathematics. What are they? The post Behold Modular Forms, the ‘Fifth Fundamental Operation’ of Math first appeared on Quanta Magazine
The Works in...
The Cocktail Revolution How bad drinks became good, and good drinks became great
a year ago
IEEE Spectrum
How the Designer of the First Hydrogen Bomb Got the Gig Richard Garwin is one of the most decorated and successful engineers of the 20th century. The IEEE...
3 months ago
43
3 months ago
Richard Garwin is one of the most decorated and successful engineers of the 20th century. The IEEE Life Fellow has won the Presidential Medal of Freedom, the National Medal of Science, France’s La Grande Médaille de l’Académie des Sciences, and is one of just a handful of people...
Cremieux Recueil
"You Couldn't Replicate Our Study Because You're Ugly" Attractiveness rating studies shouldn't be taken too seriously
2 weeks 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
7
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...
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
33
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...
Explorations of an...
A Quest Nature Tours Adventure To Sulawesi The island of Sulawesi must be on the bucket list for any naturalist with a strong interest in...
a year ago
34
a year ago
The island of Sulawesi must be on the bucket list for any naturalist with a strong interest in biogeography. Though Borneo is situated only a few hundred kilometers to the west, and the Moluccas are not far to the east, the species composition of Sulawesi is significantly...
NeuroLogica Blog
Checkup on Climate Change There is good evidence that if you want to lose weight, you need to weigh yourself at least weekly....
a year ago
40
a year ago
There is good evidence that if you want to lose weight, you need to weigh yourself at least weekly. You need the constant feedback of the scale to adjust your behavior. This is a good general principle – having outcome feedback to measure the effect of what you are doing so you...
The Roots of...
What I’ve been reading, September 2023 A quasi-monthly feature. Recent blog posts and news stories are generally omitted; you can find them...
a year ago
262
a year ago
A quasi-monthly feature. Recent blog posts and news stories are generally omitted; you can find them in my links digests. I’ve been busy helping to choose the first cohort of our blogging fellowship, so my reading has been relatively light. All emphasis in bold in the quotes...
Eukaryote Writes...
A love letter to civilian OSINT What is civilian OSINT, and could it be used altruistically?
over a year ago
wadertales
WaderTales blogs in 2022 Here are brief summaries of the sixteen WaderTales blogs that were published in 2022. I have grouped...
over a year ago
23
over a year ago
Here are brief summaries of the sixteen WaderTales blogs that were published in 2022. I have grouped the blogs into sections; problems with trees, more research from Iceland, Curlews, news from the East Asian-Australasian Flyway, tracking and updates. As ever, I am grateful to...
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
25
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,...
NeuroLogica Blog
Did They Find Amelia Earhart’s Plane Is this sonar image taken at 16,000 feet below the surface about 100 miles from Howland island, that...
10 months ago
21
10 months ago
Is this sonar image taken at 16,000 feet below the surface about 100 miles from Howland island, that of a downed Lockheed Model 10-E Electra plane? Tony Romeo hopes it is. He spent $9 million to purchase an underwater drone, the Hugan 6000, then hired a crew and scoured 5,200...
The Works in...
New York’s long road to congestion pricing The decades of work that went into getting the policy very, very close to the finish line
4 months ago
Wanderingspace
The First Ever Real-Time Video from Another Planet When you watch this video, if you find yourself thinking of the Apollo moon landings— here is why:...
over a year ago
18
over a year ago
When you watch this video, if you find yourself thinking of the Apollo moon landings— here is why: this is the first real-time video taken from another world since 1972, and this is the first ever taken on another planet. Most “video” you see from other planetary missions are...
Quantum Frontiers
Caltech’s Ginsburg Center Editor’s Note: On 10 August 2023, Caltech celebrated the groundbreaking for the Dr. Allen and...
a year ago
23
a year ago
Editor’s Note: On 10 August 2023, Caltech celebrated the groundbreaking for the Dr. Allen and Charlotte Ginsburg Center for Quantum Precision Measurement, which will open in 2025. At a lunch following the ceremony, John Preskill made these remarks. Hello everyone. … Continue...
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
8
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...
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
26
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
Math Is Still...
‘Entropy Bagels’ and Other Complex Structures Emerge From Simple Rules Simple rules in simple settings continue to puzzle mathematicians, even as they devise intricate...
9 months ago
17
9 months ago
Simple rules in simple settings continue to puzzle mathematicians, even as they devise intricate tools to analyze them. The post ‘Entropy Bagels’ and Other Complex Structures Emerge From Simple Rules first appeared on Quanta Magazine
Math Is Still...
The Cosmos Teems with Complex Organic Molecules Wherever astronomers look, they see life’s raw materials. The post The Cosmos Teems with...
a month ago
Probably...
How Does World Population Grow? Recently I posed this question on Twitter: “Since 1960, has world population grown exponentially,...
a year ago
5
a year ago
Recently I posed this question on Twitter: “Since 1960, has world population grown exponentially, quadratically, linearly, or logarithmically?” Here are the responses: By a narrow margin, the most popular answer is correct — since 1960 world population growth has been roughly...
The Roots of...
Quote quiz answer Here’s the answer to the recent quote quiz: The author was Ted Kaczynski, aka the Unabomber. The...
a year ago
39
a year ago
Here’s the answer to the recent quote quiz: The author was Ted Kaczynski, aka the Unabomber. The quote was taken from his manifesto, “Industrial Society and Its Future.” Here’s a slightly longer, and unaltered, quote: First let us postulate that the computer scientists succeed in...
Math Is Still...
Vacuum of Space to Decay Sooner Than Expected (but Still Not Soon) One of the quantum fields that fills the universe is special because its default value seems poised...
5 months ago
53
5 months ago
One of the quantum fields that fills the universe is special because its default value seems poised to eventually change, changing everything. The post Vacuum of Space to Decay Sooner Than Expected (but Still Not Soon) first appeared on Quanta Magazine
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...
NeuroLogica Blog
GMOs – Ask a Farmer The topic of genetically modified organisms (GMOs) is a great target for science communication...
4 months ago
49
4 months ago
The topic of genetically modified organisms (GMOs) is a great target for science communication because public attitudes have largely been shaped by deliberate misinformation, and the research suggests that those attitudes can change in response to more accurate information. It is...
NeuroLogica Blog
What Happened to the Atmosphere on Mars Of every world known to humans outside the Earth, Mars is likely the most habitable. We have not...
2 months ago
35
2 months ago
Of every world known to humans outside the Earth, Mars is likely the most habitable. We have not found any genuinely Earth-like exoplanets. They are almost sure to exist, but we just haven’t found any yet. The closest so far is Kepler 452-b, which is a super Earth, specifically...
nanoscale views
Condensed matter on the public stage, and not in a good way This week, condensed matter physics has been getting far more broad public attention than usual, and...
a year ago
4
a year ago
This week, condensed matter physics has been getting far more broad public attention than usual, and while in the abstract I like our discipline getting noticed, this is definitely not how I’d have preferred it to happen. First, more fun re Ranga Dias.  Fresh off renewed...
Many Worlds
A Real ET Discovery With Promise, Amid Some Other Quite Questionable Claims Beware easy answers to the question of whether life exists beyond Earth. Be they “alien” skeletons...
a year ago
5
a year ago
Beware easy answers to the question of whether life exists beyond Earth. Be they “alien” skeletons in Mexico City, interstellar probes that briefly pass through our solar system, UFOs of all sorts and claims to have found “biosignature” chemical byproducts of life around planets...
Probably...
Testing Percentiles Here’s another installment in Data Q&A: Answering the real questions with Python. Previous...
7 months ago
59
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. test_percentile Testing percentiles¶ Here’s a question from the Reddit statistics forum. I have two different samples (about 100...
Melting Asphalt
A Nihilist's Guide to Meaning I've never been plagued by the big existential questions. You know, like What's my purpose? or What...
over a year ago
6
over a year ago
I've never been plagued by the big existential questions. You know, like What's my purpose? or What does it all mean? Growing up I was a very science-minded kid — still am — and from an early age I learned… Read more ›
Out-of-Pocket Blog
Ins and Outs of Fundraising Today | Out-Of-Pocket Some stuff I’ve learned doing a little healthcare startup investing
a year ago
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
4
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.
Math Is Still...
Risky Giant Steps Can Solve Optimization Problems Faster New results break with decades of conventional wisdom for the gradient descent algorithm. ...
a year ago
5
a year ago
New results break with decades of conventional wisdom for the gradient descent algorithm. The post Risky Giant Steps Can Solve Optimization Problems Faster first appeared on Quanta Magazine
Out-of-Pocket Blog
Cool Facts About Health Insurance Enrollment with Aleka Gurel | Out-Of-Pocket Tis the season
a year ago
Math Is Still...
How ‘Embeddings’ Encode What Words Mean — Sort Of Machines work with words by embedding their relationships with other words in a string of numbers. ...
3 months ago
33
3 months ago
Machines work with words by embedding their relationships with other words in a string of numbers. The post How ‘Embeddings’ Encode What Words Mean — Sort Of first appeared on Quanta Magazine
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
40
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...
symmetry magazine
Listening to the radio on the far side of the moon LuSEE-Night will demonstrate whether an experiment to search for ancient radio signals can survive...
a year ago
20
a year ago
LuSEE-Night will demonstrate whether an experiment to search for ancient radio signals can survive the moon’s unforgiving environment.
Melting Asphalt
Going Critical Background: This is an interactive blog post. I wanted to host it here, but don't know how to make...
over a year ago
6
over a year ago
Background: This is an interactive blog post. I wanted to host it here, but don't know how to make it play nice with WordPress. So I decided to host it on another part of the site instead. Click here for… Read more ›
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
80
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...
Cremieux Recueil
China's Upside-Down Meritocracy New evidence suggests China systematically misallocates its human capital
2 months ago
Blog - Practical...
How Would a Nuclear EMP Affect the Power Grid? [Note that this article is a transcript of the video embedded above.] Late in the morning of April...
over a year ago
26
over a year ago
[Note that this article is a transcript of the video embedded above.] Late in the morning of April 28, 1958, the USS Boxer aircraft carrier ship was about 70 miles off the coast of the Bikini Atoll in the Pacific Ocean. The crew of the Boxer was preparing to launch a...
Blog - Practical...
Why There's a Legal Price for a Human Life [Note that this article is a transcript of the video embedded above.] One of the very first...
a year ago
61
a year ago
[Note that this article is a transcript of the video embedded above.] One of the very first documented engineering disasters happened in 27 AD in the early days of the Roman Empire. A freed slave named Atilius built a wooden amphitheater in a town called Fidenae outside of Rome....
brr
McMurdo Postal Mail How to mail things to and from Antarctica!
over a year ago
Out-of-Pocket Blog
The Obstacles To Value-Based Care | Out-Of-Pocket taking on risk is easier said than done
a year ago
Math Is Still...
Echoes of Electromagnetism Found in Number Theory A new magnum opus posits the existence of a hidden mathematical link akin to the connection between...
a year ago
4
a year ago
A new magnum opus posits the existence of a hidden mathematical link akin to the connection between electricity and magnetism. The post Echoes of Electromagnetism Found in Number Theory first appeared on Quanta Magazine
Math Is Still...
The Hidden World of Electrostatic Ecology Invisibly to us, insects and other tiny creatures use static electricity to travel, avoid predators,...
2 months ago
19
2 months ago
Invisibly to us, insects and other tiny creatures use static electricity to travel, avoid predators, collect pollen and more. New experiments explore how evolution may have influenced this phenomenon. The post The Hidden World of Electrostatic Ecology first appeared...
nanoscale views
Tour de force work: Bragg, diffraction, and diamond There are some examples of scientific progress that just seem so far above and beyond the norm, it's...
a year ago
29
a year ago
There are some examples of scientific progress that just seem so far above and beyond the norm, it's almost jaw dropping in terms of the mental leap needed for the insight.  One example that I always liked to point out to first-year undergrads learning about gravity is Johannes...
symmetry magazine
Applications of quantum mechanics at the beach How does sunscreen work on the atomic level?
a year ago
Quantum Frontiers
Beyond NISQ: The Megaquop Machine On December 11, I gave a keynote address at the Q2B 2024 Conference in Silicon Valley. This is a...
a week ago
17
a week ago
On December 11, I gave a keynote address at the Q2B 2024 Conference in Silicon Valley. This is a transcript of my remarks. The slides I presented are here. NISQ and beyond I’m honored to be back at Q2B for … Continue reading →
Wanderingspace
Phobos over mount Sharp Taken by the Curiosity rover. This is one of Mars tiny moons as seen from the ground. Impressive as...
over a year ago
18
over a year ago
Taken by the Curiosity rover. This is one of Mars tiny moons as seen from the ground. Impressive as it is only 14 long and you can actually see its shape from the surface. See Phobos below for reference.
NeuroLogica Blog
GMOs and Butterflies Are attitudes towards genetically modified organisms (GMOs) in our agriculture softening? Back in...
a year ago
17
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...
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
51
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
Have Current AI Reached Their Limit? We are still very much in the hype phase of the latest crop of artificial intelligence applications,...
a year ago
90
a year ago
We are still very much in the hype phase of the latest crop of artificial intelligence applications, specifically the large language models and so-called “transformers” like Chat GPT. Transformers are a deep learning model that use self-attention to differentially weight the...
Math Is Still...
To See Black Holes in Stunning Detail, She Uses ‘Echoes’ Like a Bat The astrophysicist Erin Kara measures time lags in black holes’ X-ray glows, which reveal the...
10 months ago
23
10 months ago
The astrophysicist Erin Kara measures time lags in black holes’ X-ray glows, which reveal the complexity of the objects’ closest surroundings. The post To See Black Holes in Stunning Detail, She Uses ‘Echoes’ Like a Bat first appeared on Quanta Magazine
IEEE Spectrum
The First Virtual Meeting Was in 1916 At 8:30 p.m. on 16 May 1916, John J. Carty banged his gavel at the Engineering Societies Building in...
a month ago
25
a month ago
At 8:30 p.m. on 16 May 1916, John J. Carty banged his gavel at the Engineering Societies Building in New York City to call to order a meeting of the American Institute of Electrical Engineers. This was no ordinary gathering. The AIEE had decided to conduct a live national meeting...
Explorations of an...
Heading East Across The Chaco I’ve written about the Chaco region before – that vast dry, scrubby area south of the Amazon which...
a year ago
17
a year ago
I’ve written about the Chaco region before – that vast dry, scrubby area south of the Amazon which happens to cover much of central and northern Argentina. Laura and I had skirted the edge of the Chaco earlier in the trip, including near Laguna Salinas Grande and in the Salta...
Confessions of a...
Marine Ecology or Marine Biology….what’s the difference!?!?!? A few of you may be wondering why the blog is called ‘Confessions of a Marine Ecologist” and not...
over a year ago
28
over a year ago
A few of you may be wondering why the blog is called ‘Confessions of a Marine Ecologist” and not ‘Confessions of a Marine Biologist”.  After all, if you ask a group of school kids what they want to be when they grow up, more than a handful would happily answer “marine biologist”,...
Probably...
The mean of a Likert scale? Here’s another installment in Data Q&A: Answering the real questions with Python. Previous...
7 months ago
50
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. likert_mean Likert scale analysis¶ Here’s a question from the Reddit statistics forum. I have collected data regarding how...
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
25
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...
Math Is Still...
What Makes Life Tick? Mitochondria May Keep Time for Cells Every species develops at its own unique tempo, leaving scientist to wonder what governed their...
a year ago
10
a year ago
Every species develops at its own unique tempo, leaving scientist to wonder what governed their timing. A suite of new findings suggests that cells use basic metabolic processes as clocks. The post What Makes Life Tick? Mitochondria May Keep Time for Cells first...
The Works in...
Links in Progress: rising incomes do not always mean fewer births And how having a baby can make you believe in the future
2 months ago
NeuroLogica Blog
Non-Invasive Deep Brain Stimulation We are rapidly entering the era of neuromodulation – using electrical and magnetic fields in order...
6 months ago
58
6 months ago
We are rapidly entering the era of neuromodulation – using electrical and magnetic fields in order to increase or decrease the activity of specific regions and circuits in the brain. Such treatments are already shown to be effective in treating some Parkinson’s symptoms,...
Probably...
How Many Books? If you like this article, you can read more about this kind of Bayesian analysis in Think Bayes....
11 months ago
27
11 months ago
If you like this article, you can read more about this kind of Bayesian analysis in Think Bayes. Recently I found a copy of Probably Overthinking It at a local bookstore and posted a picture on Twitter. Aubrey Clayton replied with this question: It’s a great question with what...
Explorations of an...
Uruguay Part 2: The Saffron-cowled Blackbird Search February 26, 2023 Laura and I left the hacienda behind and and headed southeast towards the coast....
a year ago
23
a year ago
February 26, 2023 Laura and I left the hacienda behind and and headed southeast towards the coast. Our route was a meandering one and we took our time on the potholed roads. The countryside was birdy and we didn't mind the relaxed pace.  We had booked an AirBnB property in the...
Confessions of a...
Cottesloe Fish Habitat Protection Area Today I am teaching my first tutorial in the second year unit ‘Marine Systems‘, which will introduce...
over a year ago
57
over a year ago
Today I am teaching my first tutorial in the second year unit ‘Marine Systems‘, which will introduce students to their major project, which is centred around a field trip to the Cottelsoe Fish Habitat Protection Area (CFHPA).  I’m pretty excited to introduce a few of my new ideas...
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
symmetry magazine
A collaboration pairs Fermilab with fashion students Fashion students at the College of DuPage successfully designed gear to protect Fermilab’s SPOT...
a year ago
25
a year ago
Fashion students at the College of DuPage successfully designed gear to protect Fermilab’s SPOT robot from radioactive dust. In a recent demonstration for Engineers Week in Chicago, an engineering physicist took the stage accompanied by an unusual guest: a...
Math Is Still...
He’s Gleaning the Design Rules of Life to Re-Create It Yizhi “Patrick” Cai is coordinating a global effort to write a complete synthetic yeast genome. If...
a month ago
27
a month ago
Yizhi “Patrick” Cai is coordinating a global effort to write a complete synthetic yeast genome. If he succeeds, the resulting cell will be the artificial life most closely related to humans to date. The post He’s Gleaning the Design Rules of Life to Re-Create It first...
Uncharted...
Where Geniuses Hide Today Where are today’s Michelangelos?
2 weeks ago
Out-of-Pocket Blog
The Change Healthcare Debacle | Out-Of-Pocket what are clearinghouses and do we still need them?
9 months ago
The Works in...
Notes on Progress: A tale of two particles Not all radioactivity is risky or harmful
over a year ago
Math Is Still...
With Fifth Busy Beaver, Researchers Approach Computation’s Limits After decades of uncertainty, a motley team of programmers has proved precisely how complicated...
5 months ago
54
5 months ago
After decades of uncertainty, a motley team of programmers has proved precisely how complicated simple computer programs can get. The post With Fifth Busy Beaver, Researchers Approach Computation’s Limits first appeared on Quanta Magazine
Probably...
Ears Are Weird In a previous article, I looked at 93 measurements from the ANSUR-II dataset and found that ear...
3 months ago
40
3 months ago
In a previous article, I looked at 93 measurements from the ANSUR-II dataset and found that ear protrusion is not correlated with any other measurement. In a followup article, I used principle component analysis to explore the correlation structure of the measurements, and found...
NeuroLogica Blog
How Much Do Couples Share Traits? Do birds of a feather flock together, or do opposites attract? These are both common aphorisms,...
a year ago
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a year ago
Do birds of a feather flock together, or do opposites attract? These are both common aphorisms, which means that they are commonly offered as generally accepted truths, but also that they may by wrong. People like pithy phrases, so they spread prolifically, but that does not mean...
Math Is Still...
Invisible ‘Demon’ Discovered in Odd Superconductor Physicists have long suspected that hunks of metal could vibrate in a peculiar way that would be all...
a year ago
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a year ago
Physicists have long suspected that hunks of metal could vibrate in a peculiar way that would be all but invisible. Now physicists have spotted these “demon modes.” The post Invisible ‘Demon’ Discovered in Odd Superconductor first appeared on Quanta Magazine
Sean Carroll
New Course: The Many Hidden Worlds of Quantum Mechanics In past years I’ve done several courses for The Great Courses/Wondrium (formerly The Teaching...
a year ago
5
a year ago
In past years I’ve done several courses for The Great Courses/Wondrium (formerly The Teaching Company): Dark Matter and Dark Energy, Mysteries of Modern Physics:Time, and The Higgs Boson and Beyond. Now I’m happy to announce a new one, The Many Hidden Worlds of Quantum Mechanics....
Uncharted...
What Is Happening in Syria? Assad’s regime has fallen, leaving a power vacuum. Why? Who are the winners and losers? What will...
a week ago
4
a week ago
Assad’s regime has fallen, leaving a power vacuum. Why? Who are the winners and losers? What will happen next?
NeuroLogica Blog
Trust in Science How much does the public trust in science and scientists? Well, there’s some good news and some bad...
a year ago
6
a year ago
How much does the public trust in science and scientists? Well, there’s some good news and some bad news. Let’s start with the bad news – a recent Pew survey finds that trust in scientist has been in decline for the last few years. From its recent peak in 2019, those who answered...
Light from Space
Elephant Trunk & IC 1396 A beautiful nebula in Cepheus. The middle bottom left of the image shows the “Elephant Trunk”,  but...
over a year ago
23
over a year ago
A beautiful nebula in Cepheus. The middle bottom left of the image shows the “Elephant Trunk”,  but the whole nebula IC 1396 shows much impressive detail. A whole layer of dark nebulas overlaps everything, looking like a giant explosion frozen in time. Total exposure time: 18h...
The Roots of...
Cellular reprogramming, pneumatic launch systems, and terraforming Mars In December, I went to the Foresight Institute’s Vision Weekend 2023 in San Francisco. I had a lot...
11 months ago
9
11 months ago
In December, I went to the Foresight Institute’s Vision Weekend 2023 in San Francisco. I had a lot of fun talking to a bunch of weird and ambitious geeks about the glorious abundant technological future. Here are few things I learned about (with the caveat that this is mostly...
Math Is Still...
The Quest for Simple Rules to Build a Microbial Community Microbiologists are searching for a universal theory of how bacteria form communities based not on...
11 months ago
17
11 months ago
Microbiologists are searching for a universal theory of how bacteria form communities based not on their species but on the roles they play. The post The Quest for Simple Rules to Build a Microbial Community first appeared on Quanta Magazine
IEEE Spectrum
What If the Worst AI Fear Is AI Fear Itself? It’s been just about a year now—a nonprofit called the Future of Life Institute posted an open...
9 months ago
58
9 months ago
It’s been just about a year now—a nonprofit called the Future of Life Institute posted an open letter reflecting people’s darkest fears about artificial intelligence. “Contemporary AI systems are now becoming human-competitive at general tasks,” it said. It called for a pause in...
NeuroLogica Blog
Localizing Hidden Consciousness What’s going on in the minds of people who appear to be comatose? This has been an enduring...
a year ago
20
a year ago
What’s going on in the minds of people who appear to be comatose? This has been an enduring neurological question from the beginning of neurology as a discipline. Recent technological advances have completely changed the game in terms of evaluating comatose patients, and now a...
pcloadletter
Coding interviews are effective Coding interviews are controversial. It can be unpleasant to code in front of someone else, knowing...
10 months ago
21
10 months ago
Coding interviews are controversial. It can be unpleasant to code in front of someone else, knowing you're being judged. And who likes failing? Especially when it feels like you failed intellectually. But, coding interviews are effective. One big criticism of coding interviews is...
Quantum Frontiers
My experimental adventures in quantum thermodynamics Imagine a billiard ball bouncing around on a pool table. High-school level physics enables us to...
9 months ago
70
9 months ago
Imagine a billiard ball bouncing around on a pool table. High-school level physics enables us to predict its motion until the end of time using simple equations for energy and momentum conservation, as long as you know the initial conditions … Continue reading →
Explorations of an...
The Quest For The Rufous-throated Dipper The east slope of the Andes is one of my favourite places in the world to explore. As I've mentioned...
a year ago
13
a year ago
The east slope of the Andes is one of my favourite places in the world to explore. As I've mentioned before on this blog, this is due to several factors, but prime among them is that this slope receives a high level of rainfall. Turn on the taps, and you turn on the biodiversity....
IEEE Spectrum
This Wearable Computer Made a Fashion Statement Google Glass debuted, the artist Lisa Krohn designed a prototype wearable computer that looked like...
5 months ago
64
5 months ago
Google Glass debuted, the artist Lisa Krohn designed a prototype wearable computer that looked like no other. The Cyberdesk was an experiment in augmented reality. At a time when computers were mostly beige and boxy, Krohn envisioned a pliable, high-tech garment that fused...
Apoorva Srinivasan
an experiment in navigating the knowledge frontier beyond search Lately, I've been experimenting with interfaces for large language models (LLMs) in my free time....
a year ago
2
a year ago
Lately, I've been experimenting with interfaces for large language models (LLMs) in my free time. The fruit of this labor is something I'm calling "curie," an exploratory and sense-making tool designed to navigate complex topics. 0:00 ...
Math Is Still...
Bats Use the Same Brain Cells to Map Physical and Social Worlds New research in social bats raises the intriguing possibility that evolution can reprogram the...
a year ago
11
a year ago
New research in social bats raises the intriguing possibility that evolution can reprogram the brain’s “place cells,” which are typically associated with location, to encode all kinds of environmental information. The post Bats Use the Same Brain Cells to Map Physical...
Beautiful Public...
Aerial Glacier Photographs A collection of 100,000 striking high-resolution aerial photos of glaciers, photographed over 40...
6 months ago
70
6 months ago
A collection of 100,000 striking high-resolution aerial photos of glaciers, photographed over 40 years with a 63-pound WW II surveillance camera.
nanoscale views
What is turbulence? (And why are helicopters never quiet?) Fluid mechanics is very often left out of the undergraduate physics curriculum.  This is a shame, as...
6 months ago
60
6 months ago
Fluid mechanics is very often left out of the undergraduate physics curriculum.  This is a shame, as it's very interesting and directly relevant to many broad topics (atmospheric science, climate, plasma physics, parts of astrophysics).  Fluid mechanics is a great example of how...
Asterisk
Read This, Not That: The Hidden Cost of Nutrition Misinformation Our daily lives are inundated with misleading claims about nutrition. That’s not just distracting —...
a year ago
2
a year ago
Our daily lives are inundated with misleading claims about nutrition. That’s not just distracting — it’s also harming our health.
nanoscale views
What is a metal-insulator transition? The recent excitement about the alleged high temperature superconductor "LK99" has introduced some...
a year ago
10
a year ago
The recent excitement about the alleged high temperature superconductor "LK99" has introduced some in the public to the idea of a metal-insulator or insulator-metal transition (MIT/IMT).  For example, one strong candidate explanation for the sharp drop in resistance as a function...
Explorations of an...
A Month In Northern Peru, Part 7: The Marvelous Spatuletail (February 9, 2024) There are several bird species that are near the top of the wish-list for any birdwatcher visiting...
8 months ago
37
8 months ago
There are several bird species that are near the top of the wish-list for any birdwatcher visiting Peru for the first time. The enigmatic Long-whiskered Owlet is one, as it is a recently described species of owl that is only known from the stunted cloud forests in a very small...
wadertales
UK waders: “Into the Red” If you ask British birdwatchers to name the eleven wader species that are causing the most...
over a year ago
23
over a year ago
If you ask British birdwatchers to name the eleven wader species that are causing the most conservation concern in the UK, they would probably not include Dunlin. Curlew may well be top of their lists, even though the most recent population estimate is 58,500 breeding pairs, but...
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
56
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...
pcloadletter
Agile is a tainted term Oh no, not another agile article. But at least this one isn't attempting to teach or reconcile. I'm...
10 months ago
22
10 months ago
Oh no, not another agile article. But at least this one isn't attempting to teach or reconcile. I'm not going to talk about the difference between agile and Agile™ nor will I try to convince you of my favorite flavor of Agile™. Instead, I'm here to assert that agile is a tainted...
Wanderingspace
Hope for Mars Nothing really. Just a gorgeous image of Mars from the UAE Hope mission.
over a year ago
Wanderingspace
Enter Prometheus “Here's a view of Saturn's moon Prometheus, made from images captured with the narrow-angle camera...
2 weeks ago
14
2 weeks ago
“Here's a view of Saturn's moon Prometheus, made from images captured with the narrow-angle camera on Cassini on December 6, 2015. Cassini was about 37,400 km from Prometheus when the images were acquired. Part of the F ring is visible in the background at the top.” — Jason Major
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
7
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...
Math Is Still...
How Will We Know We’re Not Alone? The first planet beyond our solar system was identified just 30 years ago. Since then, thousands...
3 days ago
4
3 days ago
The first planet beyond our solar system was identified just 30 years ago. Since then, thousands have been found and characterized. As we look for more, exoplanet experts are also probing for signs of alien biospheres hundreds of light-years away. In this episode, co-host Janna...
Cremieux Recueil
Trump Should Finish What He Started A guestpost calling for Trump to finish radically reforming the tax system
3 weeks ago
Asterisk
They May as Well Grow on Trees The Future of Genetically Engineered Livestock
over a year ago
Math Is Still...
The Geometric Tool That Solved Einstein’s Relativity Problem Tensors are used all over math and science to reveal hidden geometric truths. What are they? ...
4 months ago
38
4 months ago
Tensors are used all over math and science to reveal hidden geometric truths. What are they? The post The Geometric Tool That Solved Einstein’s Relativity Problem first appeared on Quanta Magazine
ToughSF
Cold, Laser-Coupled Particle Beams This is a follow-up to the Particle Beams in Space post. This time, we look at two concepts that...
over a year ago
7
over a year ago
This is a follow-up to the Particle Beams in Space post. This time, we look at two concepts that can massively increase the effective range of particle beam: one is being applied every day in modern accelerators, and the other is an outgrowth of a tool used in...
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
63
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...
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...
2 weeks ago
14
2 weeks 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...
Out-of-Pocket Blog
The Engineering Behind Healthcare LLMs with Abridge | Out-Of-Pocket What kinds of challenges come up with creating a speech-to-text gen AI product?
3 months ago
Math Is Still...
How AI Revolutionized Protein Science, but Didn’t End It Three years ago, Google’s AlphaFold pulled off the biggest artificial intelligence breakthrough in...
5 months ago
39
5 months ago
Three years ago, Google’s AlphaFold pulled off the biggest artificial intelligence breakthrough in science to date, accelerating molecular research and kindling deep questions about why we do science. The post How AI Revolutionized Protein Science, but Didn’t End It...
IEEE Spectrum
What Is an Electronic Sackbut? If you, like me, think of musical synthesizers as an artifact of 1970s rock and disco, then you,...
10 months ago
51
10 months ago
If you, like me, think of musical synthesizers as an artifact of 1970s rock and disco, then you, like me, will be surprised to learn that the first electronic synthesizer predates those genres by several decades In 1945, Hugh Le Caine, a physicist at Canada’s National Research...
Blog - Practical...
The Most Confusing Part of the Power Grid [Note that this article is a transcript of the video embedded above.] In March of 1989, Earth...
6 months ago
70
6 months ago
[Note that this article is a transcript of the video embedded above.] In March of 1989, Earth experienced one of its strongest geomagnetic storms in modern history. It all started when scientists observed a cluster of sunspots—active, magnetic areas on the sun's surface—emerging...
Andrew Fraknoi –...
My Free Introductory Astronomy Textbook Hits a Milestone This time I am posting something a bit personal. I am the lead author of a free book that is part of...
7 months ago
25
7 months ago
This time I am posting something a bit personal. I am the lead author of a free book that is part of a nonprofit experiment to help students with the costs of college. Here is the news from our publisher: OpenStax, the open textbook publisher based at Rice University, is pleased...
Math Is Still...
How a NASA Probe Solved a Scorching Solar Mystery The outer layers of the sun’s atmosphere are a blistering million degrees hotter than its surface....
7 months ago
56
7 months ago
The outer layers of the sun’s atmosphere are a blistering million degrees hotter than its surface. The hidden culprit? Magnetic activity. The post How a NASA Probe Solved a Scorching Solar Mystery first appeared on Quanta Magazine
Asterisk
Why Isn’t the Whole World Rich? The question of why some countries join the developed world while others remain in poverty has vexed...
over a year ago
2
over a year ago
The question of why some countries join the developed world while others remain in poverty has vexed economists for decades. What makes it so hard to answer?
Math Is Still...
A New Approach to Computation Reimagines Artificial Intelligence By imbuing enormous vectors with semantic meaning, we can get machines to reason more abstractly —...
a year ago
94
a year ago
By imbuing enormous vectors with semantic meaning, we can get machines to reason more abstractly — and efficiently — than before. The post A New Approach to Computation Reimagines Artificial Intelligence first appeared on Quanta Magazine