Eukaryote Writes...
Eukaryote writes for Asterisk Magazine
See my piece on the history of microbiology and the vast, invisible worlds that come into focus...
2 months ago
See my piece on the history of microbiology and the vast, invisible worlds that come into focus every time we figure out how to look closer: Through the Looking Glass, and What Zheludev et al. (2024) Found There at Asterisk Magazine I’ve written for Asterisk before: What I won’t...
Math Is Still...
Maze Proof Establishes a ‘Backbone’ for Statistical Mechanics
Four mathematicians have estimated the chances that there’s a clear path through a random maze. ...
10 months ago
Four mathematicians have estimated the chances that there’s a clear path through a random maze.
The post Maze Proof Establishes a ‘Backbone’ for Statistical Mechanics first appeared on Quanta Magazine
Math Is Still...
Tiny Jets on the Sun Power the Colossal Solar Wind
A new analysis argues that ubiquitous eruptions in the sun’s corona explain the vast flow of charged...
a year ago
A new analysis argues that ubiquitous eruptions in the sun’s corona explain the vast flow of charged particles seen streaming out through the solar system.
The post Tiny Jets on the Sun Power the Colossal Solar Wind first appeared on Quanta Magazine
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
In Going Infinite, the famed chronicler of American finance proves he’s more interested in myths than morals — or even math.
Andrew Fraknoi –...
Dec. 21 is Winter Solstice — Why We Have Seasons on Earth
Saturday, Dec. 21 will be the winter solstice – the shortest day and longest night of the year, with...
3 days ago
Saturday, Dec. 21 will be the winter solstice – the shortest day and longest night of the year, with which we mark the beginning of the winter season in the Earth’s northern hemisphere. It’s interesting to note that the planets Venus and Jupiter do not have seasons like the...
Chris Grossack's...
Life in Johnstone's Topological Topos 1 -- Fundamentals
I’ve been thinking a lot about the internal logic of topoi again, and I
want to have more examples...
5 months ago
I’ve been thinking a lot about the internal logic of topoi again, and I
want to have more examples of topoi that I understand well enough to
externalize some statements. There’s more to life than just a localic
$\mathsf{Sh}(B)$, and since I’m starting to feel like I understand...
Math Is Still...
‘Metaphysical Experiments’ Probe Our Hidden Assumptions About Reality
Experiments that test physics and philosophy "as a single whole" may be our only route to surefire...
4 months ago
Experiments that test physics and philosophy "as a single whole" may be our only route to surefire knowledge about the universe.
The post ‘Metaphysical Experiments’ Probe Our Hidden Assumptions About Reality first appeared on Quanta Magazine
Math Is Still...
How Genetic Surprises Complicate the Old Doctrine of DNA
For over a century, biologists have had to contend with a complicated picture of genetics, which...
a year ago
For over a century, biologists have had to contend with a complicated picture of genetics, which they’ve only recently begun to understand.
The post How Genetic Surprises Complicate the Old Doctrine of DNA first appeared on Quanta Magazine
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
The Six Stages Of Health Tech Grief Part 3
The Works in...
The value of family
Traditional values don't deliver babies
a year ago
Traditional values don't deliver babies
brr
South Pole Water Infrastructure
Fresh water from snow, at 70 below!
6 months ago
Fresh water from snow, at 70 below!
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
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,...
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
[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...
Asterisk
Mysticism & Empiricism
The best way to predict if you’ll benefit from psychedelic therapy is a questionnaire asking if...
a year ago
The best way to predict if you’ll benefit from psychedelic therapy is a questionnaire asking if you’ve met God. Where did it come from, and what is it really measuring?
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
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...
Out-of-Pocket Blog
GPT-3 x Healthcare: Democratizing AI | Out-Of-Pocket
ICD-10 vs. GPT-3, who will win?
a year ago
ICD-10 vs. GPT-3, who will win?
nanoscale views
Michio Kaku and science popularization in the Age of Shamelessness
In some ways, we live in a golden age of science popularization. There are fantastic publications...
a year ago
In some ways, we live in a golden age of science popularization. There are fantastic publications like Quanta doing tremendous work; platforms like YouTube and podcasts have made it possible for both practicing scientists and science communicators to reach enormous audiences;...
Light from Space
Andromeda: Our Galactic Neighbor
Many things have been said about the Andromeda Galaxy, arguably the most majestic galaxy that...
2 months ago
Many things have been said about the Andromeda Galaxy, arguably the most majestic galaxy that amateur astronomers can image due to it's sheer size in the sky—many times larger than the Moon appears to us, but also many times dimmer.
With the naked eye, even in
Probably...
Zipf’s Law
Elements of Data Science is in print now, available from Lulu.com and online booksellers. To...
a month ago
Elements of Data Science is in print now, available from Lulu.com and online booksellers. To celebrate, I’ll post some excerpts here, starting with one of my favorite examples, Zipf’s Law. You can read the complete chapter here, or run the Jupyter notebook on Colab. In almost any...
Math Is Still...
These Moons Are Dark and Frozen. So How Can They Have Oceans?
The moons orbiting Jupiter and Saturn appear to have subsurface oceans — tantalizing targets in the...
a year ago
The moons orbiting Jupiter and Saturn appear to have subsurface oceans — tantalizing targets in the search for life beyond Earth. But it’s not clear why these seas exist at all.
The post These Moons Are Dark and Frozen. So How Can They Have Oceans? first appeared on...
Blog - Practical...
How Long Would Society Last During a Total Grid Collapse?
[Note that this article is a transcript of the video embedded above.]
In February 2021, a winter...
over a year ago
[Note that this article is a transcript of the video embedded above.]
In February 2021, a winter storm that swept through Texas caused one of the most severe power crises in American history. The cold weather created shockingly high electricity demands as people tried to keep...
Stephen Wolfram...
Why Does Biological Evolution Work? A Minimal Model for Biological Evolution and Other Adaptive...
The Model Why does biological evolution work? And, for that matter, why does machine learning work?...
7 months ago
The Model Why does biological evolution work? And, for that matter, why does machine learning work? Both are examples of adaptive processes that surprise us with what they manage to achieve. So what’s the essence of what’s going on? I’m going to concentrate here on biological...
IEEE Spectrum
The Lisa Was Apple’s Best Failure
Happy 40th Birthday to Lisa! The Apple Lisa computer, that is. In celebration of this milestone, the...
a year ago
Happy 40th Birthday to Lisa! The Apple Lisa computer, that is. In celebration of this milestone, the Computer History Museum has received permission from Apple to release the source code to the Lisa, including its system and applications software.
You can access the Lisa source...
nanoscale views
Seeing through tissue and Kramers-Kronig
There is a paper in Science this week that is just a great piece of work. The authors find that by...
3 months ago
There is a paper in Science this week that is just a great piece of work. The authors find that by dyeing living tissue with a particular biocompatible dye molecule, they can make that tissue effectively transparent, so you can see through it. The paper includes images (and...
Out-of-Pocket Blog
Answers: Did The FDA Mess Up With Aduhelm? | Out-Of-Pocket
what if it incentivizes actually good drugs?
a year ago
what if it incentivizes actually good drugs?
Explorations of an...
Monsoon Season In Arizona, Part 4: The Chiricahuas
September 3, 2024
It was another beautiful day in paradise, and all of us were up early to watch the...
2 months ago
September 3, 2024
It was another beautiful day in paradise, and all of us were up early to watch the sun rise over the desert. The active bird feeders gave us something to study while we drank our coffee and ate our egg sandwiches that Nikki had crafted for us.
Black-throated...
symmetry magazine
Is dark matter the most powerful wave in the universe?
Dark matter could consist of particles so ultralight, they behave more like waves.
...
a year ago
Dark matter could consist of particles so ultralight, they behave more like waves.
Although the motions of galaxies provide evidence that dark matter exists, scientists have yet to directly detect the invisible stuff, or figure out what it could be made...
Math Is Still...
The Quest to Quantify Quantumness
What makes a quantum computer more powerful than a classical computer? It’s a surprisingly subtle...
a year ago
What makes a quantum computer more powerful than a classical computer? It’s a surprisingly subtle question that physicists are still grappling with, decades into the quantum age.
The post The Quest to Quantify Quantumness first appeared on Quanta Magazine
The Works in...
Should you infect yourself with Zika?
What life is like in a challenge trial
8 months ago
What life is like in a challenge trial
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
Plus: Giving yourself the Zika virus, cut-and-cover railway tunnels, and more reasons to donate your organs.
Math Is Still...
The Computing Pioneer Helping AI See
Alexei Efros has spent his career learning how machines see differently from humans. Now he’s...
a year ago
Alexei Efros has spent his career learning how machines see differently from humans. Now he’s helping to bridge the gap.
The post The Computing Pioneer Helping AI See first appeared on Quanta Magazine
nanoscale views
The physics of squeaky shoes
In these unsettling and trying times, I wanted to write about the physics of a challenge I'm facing...
5 months ago
In these unsettling and trying times, I wanted to write about the physics of a challenge I'm facing in my professional life: super squeaky shoes. When I wear a particularly comfortable pair of shoes at work, when I walk in some hallways in my building (but not all), my shoes...
Math Is Still...
The Key to Species Diversity May Be in Their Similarities
New modeling work suggests why nature is more diverse than niche-based ecological theory predicts. ...
a year ago
New modeling work suggests why nature is more diverse than niche-based ecological theory predicts.
The post The Key to Species Diversity May Be in Their Similarities first appeared on Quanta Magazine
Asterisk
Sins of the Children
The circle of life on Chelicer 14d.
5 months ago
The circle of life on Chelicer 14d.
Math Is Still...
What Causes Alzheimer’s? Scientists Are Rethinking the Answer. (Pt 2)
If plaques of amyloid protein in the brain aren’t the root cause of Alzheimer’s disease, what is?...
a year ago
If plaques of amyloid protein in the brain aren’t the root cause of Alzheimer’s disease, what is? Researchers investigating alternative possibilities have faced resistance from the biomedical establishment for decades, but intriguing theories about the role of defects in protein...
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
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
Cremieux Recueil
Just Pay Them Off
The International Longshoremen's Association is protecting people whose jobs are no longer...
2 months ago
The International Longshoremen's Association is protecting people whose jobs are no longer necessary. Stop fighting and just pay them so they go away.
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
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
NeuroLogica Blog
Oldest Evidence of Humans In Americas
Exactly when Homo sapiens came to the Americas has not been firmly established, and new evidence has...
a year ago
Exactly when Homo sapiens came to the Americas has not been firmly established, and new evidence has just thrown another curve ball into the controversy. There is evidence of a large culture of humans throughout North America from 12-13,000 years ago, called the Clovis Culture....
Andrew Fraknoi –...
A Movie about a Galaxy Far, Far Away & Long, Long Ago (from Webb Telescope)
Explains a new movie of distant galaxies and remote time from the Webb Telescope.
The post A Movie...
a year ago
Explains a new movie of distant galaxies and remote time from the Webb Telescope.
The post A Movie about a Galaxy Far, Far Away & Long, Long Ago (from Webb Telescope) appeared first on Andrew Fraknoi - Astronomy Lectures - Astronomy Education Resources.
Quantum Frontiers
Eight highlights from publishing a science book for the general public
What’s it like to publish a book? I’ve faced the question again and again this year, as my book...
over a year ago
What’s it like to publish a book? I’ve faced the question again and again this year, as my book Quantum Steampunk hit bookshelves in April. Two responses suggest themselves. On the one hand, I channel the Beatles: It’s a hard … Continue reading →
NeuroLogica Blog
Flooding is Increasing
Last month my flight home from Chicago was canceled because of an intense rainstorm. In CT the storm...
3 months ago
Last month my flight home from Chicago was canceled because of an intense rainstorm. In CT the storm was intense enough to cause flash flooding, which washed out roads and bridges and shut down traffic in many areas. The epicenter of the rainfall was in Oxford, CT (where my...
Melting Asphalt
The Elephant in the Brain
It's finally here! The Elephant in the Brain: Hidden Motives in Everyday Life — my first book,...
over a year ago
It's finally here! The Elephant in the Brain: Hidden Motives in Everyday Life — my first book, coauthored with Robin Hanson — is now widely available. You can find the ebook version on Kindle, Google Play, and iBooks. It's also…
Read more ›
ToughSF
Hypervelocity Macron Accelerators
We
look at the various ways of accelerating micro-scale projectiles up to hypervelocity
(10-10,000...
over a year ago
We
look at the various ways of accelerating micro-scale projectiles up to hypervelocity
(10-10,000 km/s) and their use in space.
Going
small to go fast
Macrons
or macroscopic particles are tiny projectiles that sit on the border between
the complex structures we see under a...
Out-of-Pocket Blog
More 2022 predictions | Out-Of-Pocket
A curation of your 2022 predictions
a year ago
A curation of your 2022 predictions
IEEE Spectrum
How Engineers at Digital Equipment Corp. Saved Ethernet
I’ve enjoyed reading magazine articles about Ethernet’s 50th anniversary, including one in the The...
8 months ago
I’ve enjoyed reading magazine articles about Ethernet’s 50th anniversary, including one in the The Institute. Invented by computer scientists Robert Metcalfe and David Boggs, Ethernet has been extraordinarily impactful. Metcalfe, an IEEE Fellow, received the 1996 IEEE Medal of...
Many Worlds
Webb Telescope Finds No Signs of a Thick Atmosphere Around a Second TRAPPIST-1 Planet
Among the most eagerly awaited results from the early observations of the James Webb Space Telescope...
a year ago
Among the most eagerly awaited results from the early observations of the James Webb Space Telescope (JWST) is whether or not the seven rocky planets of the TRAPPIST-1 system have atmospheres. The TRAPPIST-1 planets are close to us (40 light-years away), are all solid rather than...
Drew Ex Machina
Failure to Launch: The First Moon Race 1958-60
While it has been a few months since I have published a new post on the Drew Ex Machina website,...
a year ago
While it has been a few months since I have published a new post on the Drew Ex Machina website, that doesn’t mean that I haven’t […]
IEEE Spectrum
The Battle for Better, Broader, More Inclusive AI
AI’s inclusivity problem is no secret. According to the ACLU, AI systems can perpetuate housing...
10 months ago
AI’s inclusivity problem is no secret. According to the ACLU, AI systems can perpetuate housing discrimination and bias in the justice system, among other harms. Bias in the data an AI model relies on is reproduced in its results.
Large Language Models (LLMs) share this problem;...
NeuroLogica Blog
Marmosets Call Each Other By Name
Humans identify and call each other by specific names. So far this advanced cognitive behavior has...
3 months ago
Humans identify and call each other by specific names. So far this advanced cognitive behavior has only been identified in a few other species, dolphins, elephants, and some parrots. Interestingly, it has never been documented in our closest relatives, non-human primates – that...
Out-of-Pocket Blog
The New Clinic Buildouts | Out-Of-Pocket
Has software changed what's necessary in the clinic?
a year ago
Has software changed what's necessary in the clinic?
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
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...
Drew Ex Machina
First Pictures: NASA’s Mars Pathfinder – July 4, 1997
During the morning hours of July 4, 1997, I experienced a strange sense of déjà vu as I sat glued to...
over a year ago
During the morning hours of July 4, 1997, I experienced a strange sense of déjà vu as I sat glued to the television set watching live […]
wadertales
Why count shorebirds? A tale from Portugal
The Sado Estuary is one of Portugal’s most important wetlands – a key link in the chain of sites...
a year ago
The Sado Estuary is one of Portugal’s most important wetlands – a key link in the chain of sites connecting Africa and the Arctic, on the East Atlantic Flyway. In a paper in Waterbirds, João Belo and colleagues analyse changes in numbers of waders wintering in this estuary over...
NeuroLogica Blog
Virtual Reality for Mice
Scientists have developed virtual reality goggles for mice. Why would they do this? For research....
a year ago
Scientists have developed virtual reality goggles for mice. Why would they do this? For research. The fact that it’s also adorable is just a side effect. One type of neuroscience research is to expose mice in a laboratory setting to specific tasks or stimuli while recording their...
IEEE Spectrum
Ethernet is Still Going Strong After 50 Years
The Xerox Palo Alto Research Center in California has spawned many pioneering computer technologies...
a year ago
The Xerox Palo Alto Research Center in California has spawned many pioneering computer technologies including the Alto—the first personal computer to use a graphical user interface—and the first laser printer.
The PARC facility also is known for the invention of Ethernet, a...
Out-of-Pocket Blog
The College Health Opportunity | Out-Of-Pocket
We can make college healthcare better! And honestly we have to
a year ago
We can make college healthcare better! And honestly we have to
Probably...
What does “strength” mean?
Here’s another installment in Data Q&A: Answering the real questions with Python. Previous...
8 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. corr_trend What does “strength” mean?¶ Here’s a question from the Reddit statistics forum. I am currently doing a uni assignment...
NeuroLogica Blog
Living a Hybrid Life
The cultural effects of the COVID pandemic can still be felt reverberating through society. One of...
4 months ago
The cultural effects of the COVID pandemic can still be felt reverberating through society. One of the positive effects, in my opinion, was the sudden boost to remote technology – connecting remotely for meetings and other uses through Zoom or a similar application. This...
Beautiful Public...
FAA Aviation Maps
Among all of the visual information published by the U.S. government, there may be no product with a...
10 months ago
Among all of the visual information published by the U.S. government, there may be no product with a higher information density than the Federal Aviation Administration’s aviation maps.
NeuroLogica Blog
Is AI Sentient Revisited
On the SGU this week we interviewed Blake Lemoine, the ex-Google employee who believes that Google’s...
a year ago
On the SGU this week we interviewed Blake Lemoine, the ex-Google employee who believes that Google’s LaMDA may be sentient, based on his interactions with it. This was a fascinating discussion, and even though I think we did a pretty deep dive in the time we had, it also felt...
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
LuSEE-Night will demonstrate whether an experiment to search for ancient radio signals can survive the moon’s unforgiving environment.
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
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...
ToughSF
Piracy in Space is Possible Part II: Armed Merchants and Pirate Patrols
There's more to piracy than just attacking a target and running away afterwards.
Put yourself in...
over a year ago
There's more to piracy than just attacking a target and running away afterwards.
Put yourself in the shoes of a pirate, a merchant or the authorities. What would you do?
Fighting back
Pirates intercepting, attacking and ransoming a merchant crew should be...
Out-of-Pocket Blog
How Healthcare Payments Work with Candid Health | Out-Of-Pocket
A walkthrough of how money flows between payers and providers
a year ago
A walkthrough of how money flows between payers and providers
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
What kinds of challenges come up with creating a speech-to-text gen AI product?
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
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...
Math Is Still...
Machine Learning Aids Classical Modeling of Quantum Systems
By using “classical shadows,” ordinary computers can beat quantum computers at the tricky task of...
a year ago
By using “classical shadows,” ordinary computers can beat quantum computers at the tricky task of understanding quantum behaviors.
The post Machine Learning Aids Classical Modeling of Quantum Systems first appeared on Quanta Magazine
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
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...
IEEE Spectrum
Tiny Exploding Houses Promoted 18th-Century Lightning Rods
Imagine if engineers were required to build a working model to demonstrate every new technological...
a year ago
Imagine if engineers were required to build a working model to demonstrate every new technological concept to the general public. Done right, tech literacy might soar! A compelling visual example can really help people understand the applications and implications of new...
ToughSF
Advanced Solar Energy in Space: Part I
Solar Thermal Rockets can be efficient and have high performance. However, they remain...
over a year ago
Solar Thermal Rockets can be efficient and have high performance. However, they remain temperature-limited to an exhaust velocity of 12km/s.
How do we surpass this limit?
The limits
NASA's Suntower concept.
Solar Thermal Rockets have been shown to have great potential if...
nanoscale views
Meetings this week
This week is the 2023 DOE experimental condensed matter physics PI meeting - in the past I’ve...
a year ago
This week is the 2023 DOE experimental condensed matter physics PI meeting - in the past I’ve written up highlights of these here (2021), here (2019), here (2017), here (2015), and here (2013). This year, I am going to have to present remotely, however, because I am giving a...
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
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...
Math Is Still...
What Is Analog Computing?
You don’t need 0s and 1s to perform computations, and in some cases it’s better to avoid them. ...
4 months ago
You don’t need 0s and 1s to perform computations, and in some cases it’s better to avoid them.
The post What Is Analog Computing? first appeared on Quanta Magazine
Math Is Still...
All Life on Earth Today Descended From a Single Cell. Meet LUCA.
The clearest picture yet of our “last universal common ancestor” suggests it was a relatively...
a month ago
The clearest picture yet of our “last universal common ancestor” suggests it was a relatively complex organism living 4.2 billion years ago, a time long considered too harsh for life to flourish.
The post All Life on Earth Today Descended From a Single Cell. Meet...
Math Is Still...
How Does Math Keep Secrets?
Cryptography is the thread that connects Julius Caesar, World War II and quantum computing, and it...
4 months ago
Cryptography is the thread that connects Julius Caesar, World War II and quantum computing, and it now lies under nearly every part of modern life. In this week’s episode, computer scientist Boaz Barak and co-host Janna Levin discuss the past and future of secrecy. ...
brr
Showering at the South Pole
Potable water, and not much of it.
a year ago
Potable water, and not much of it.
NeuroLogica Blog
Multipurpose Superconducting Highway
When it comes to technology (and also probably many things) there is a pyramid of ideas. At the very...
a year ago
When it comes to technology (and also probably many things) there is a pyramid of ideas. At the very bottom of the pyramid is pure speculation, just throwing out “what if” ideas to feed the conceptual pipeline. A subset of these ideas will pass the sniff test enough to justify...
Math Is Still...
Dark Energy May Be Weakening, Major Astrophysics Study Finds
A generation of physicists has referred to the dark energy that permeates the universe as “the...
8 months ago
A generation of physicists has referred to the dark energy that permeates the universe as “the cosmological constant.” Now the largest map of the cosmos to date hints that this mysterious energy has been changing over billions of years.
The post Dark Energy May Be...
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
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 ›
NeuroLogica Blog
Fossil Fuels – Reduce Demand or Supply?
This is a bit of a false choice – we can do both, or neither – but it is an important question and a...
a year ago
This is a bit of a false choice – we can do both, or neither – but it is an important question and a somewhat of a dilemma. Is the optimal path to reductions and eventual elimination of fossil fuel burning through reduced demand or supply? There are some interesting tradeoffs...
IEEE Spectrum
Franklin’s Franklins Were Freakishly Un-Fakeable
To make something hard to fake, you can use exotic materials or clever tricks. Benjamin Franklin, a...
a year ago
To make something hard to fake, you can use exotic materials or clever tricks. Benjamin Franklin, a printer by vocation, a scientist by avocation, leaned on cleverness, developing measures that are still in use.
Those black arts have now yielded to the latest analytical...
Asterisk
Feeding the World Without Sunlight
In 1815, the largest volcanic eruption in recorded history led to harvest failures across the globe....
a year ago
In 1815, the largest volcanic eruption in recorded history led to harvest failures across the globe. Today, a nuclear winter could bring the global food system crashing down. Is it possible to feed the world in the aftermath of a catastrophe?
Asterisk
The Illogic of Nuclear Escalation
How much is enough? It’s the most basic question in the nuclear arms race. For over sixty years, few...
over a year ago
How much is enough? It’s the most basic question in the nuclear arms race. For over sixty years, few have asked it, and even fewer have received an answer.
The Works in...
Does higher density cause lower birth rates?
Assessing one recent claim that it does
7 months ago
Assessing one recent claim that it does
Blog - Practical...
What Really Happened at the New Harbor Bridge Project?
[Note that this article is a transcript of the video embedded above.]
In July of 2022, the Texas...
over a year ago
[Note that this article is a transcript of the video embedded above.]
In July of 2022, the Texas Department of Transportation issued an emergency suspension of work on the half-finished Harbor Bridge project in Corpus Christi, citing serious design flaws that could cause the main...
Out-of-Pocket Blog
Radiology, Residency, and Physician Tools with Henry Li | Out-Of-Pocket
What's actually happening in the hospital?
a year ago
What's actually happening in the hospital?
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
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...
The Roots of...
Why you, personally, should want a larger human population
What is the ideal size of the human population?
One common answer is “much smaller.” Paul Ehrlich,...
10 months ago
What is the ideal size of the human population?
One common answer is “much smaller.” Paul Ehrlich, co-author of The Population Bomb (1968), has as recently as 2018 promoted the idea that “the world’s optimum population is less than two billion people,” a reduction of the current...
Cremieux Recueil
"You Couldn't Replicate Our Study Because You're Ugly"
Attractiveness rating studies shouldn't be taken too seriously
2 weeks ago
Attractiveness rating studies shouldn't be taken too seriously
Out-of-Pocket Blog
The Change Healthcare Debacle | Out-Of-Pocket
what are clearinghouses and do we still need them?
9 months ago
what are clearinghouses and do we still need them?
Explorations of an...
Tour Extension to Halmahera In The North Moluccas
Del and Marcie joined me for a four-day extension to the nearby island of Halmahera, located in the...
a year ago
Del and Marcie joined me for a four-day extension to the nearby island of Halmahera, located in the North Moluccas. We were now on the east side of the deep-water trench informally known as Weber’s Line and the avifauna was even more in line with New Guinea and Australia....
Quantum Frontiers
Astrobiology meets quantum computation?
The origin of life appears to share little with quantum computation, apart from the difficulty of...
a year ago
The origin of life appears to share little with quantum computation, apart from the difficulty of achieving it and its potential for clickbait. Yet similar notions of complexity have recently garnered attention in both fields. Each topic’s researchers expect only … Continue...
Math Is Still...
How to Tame the Endless Infinities Hiding in the Heart of Particle Physics
In the math of particle physics, every calculation should result in infinity. The set of techniques...
a year ago
In the math of particle physics, every calculation should result in infinity. The set of techniques known as “resurgence” points toward an escape.
The post How to Tame the Endless Infinities Hiding in the Heart of Particle Physics first appeared on Quanta Magazine
Out-of-Pocket Blog
How MainStreet gets you government $ | Out-Of-Pocket
Get government tax credits for your health startup
a year ago
Get government tax credits for your health startup
Quantum Frontiers
Announcing the quantum-steampunk short-story contest!
The year I started studying calculus, I took the helm of my high school’s literary magazine....
over a year ago
The year I started studying calculus, I took the helm of my high school’s literary magazine. Throughout the next two years, the editorial board flooded campus with poetry—and poetry contests. We papered the halls with flyers, built displays in the … Continue reading →
The Works in...
Issue 17: No great stagnation in cruise ships
Plus: animals as chemical factories, how progress lost its glamour, and how Madrid built 120 miles...
2 weeks ago
Plus: animals as chemical factories, how progress lost its glamour, and how Madrid built 120 miles of metro in twelve years.
Out-of-Pocket Blog
ARISE ERISA | Out-Of-Pocket
Levity in the time of Coronavirus
a year ago
Levity in the time of Coronavirus
The Roots of...
What if they gave an Industrial Revolution and nobody came?
Imagine you could go back in time to the ancient world to jump-start the Industrial Revolution. You...
a year ago
Imagine you could go back in time to the ancient world to jump-start the Industrial Revolution. You carry with you plans for a steam engine, and you present them to the emperor, explaining how the machine could be used to drain water out of mines, pump bellows for blast furnaces,...
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
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...
Explorations of an...
Final Argentina Post - Hudson's Canasteros, Shorebirds and Jaegers at Punta Rasa
February 20, 2023
As we traveled south from Buenos Aires, the landscape opened up. The small towns...
a year ago
February 20, 2023
As we traveled south from Buenos Aires, the landscape opened up. The small towns and communities became less frequent, giving way to vast expanses of pasture and agriculture with nary a tree in sight, other than the occasional hedgerow. Several hours later, and...
NeuroLogica Blog
Hunger Circuitry
One of the organizing principles that govern living organisms is homeostasis. This is a key feature...
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...
NeuroLogica Blog
Problems with the Institute Of Noetic Sciences
I was interviewed recently for a Daily Beast article on recent research involving the Institute of...
a year ago
I was interviewed recently for a Daily Beast article on recent research involving the Institute of Noetic Sciences (IONS). Overall the article is very good, and author Maddie Bender was fair and reasonable in how I was quoted. I can’t always take that as a given. No matter how...
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
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...
nanoscale views
APS March Meeting 2024, Day 3
My highlights today are a bit thin, because I was fortunate enough to spend time catching up with...
9 months ago
My highlights today are a bit thin, because I was fortunate enough to spend time catching up with collaborators and old friends, but here goes:
Pedram Roushan from Google gave an interesting talk about noisy intermediate-scale quantum experiments for simulation. He showed some...
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
Assad’s regime has fallen, leaving a power vacuum. Why? Who are the winners and losers? What will happen next?
Probably...
Have the Nones Leveled Off?
Last month Ryan Burge published “The Nones Have Hit a Ceiling“, using data from the 2023 Cooperative...
5 months ago
Last month Ryan Burge published “The Nones Have Hit a Ceiling“, using data from the 2023 Cooperative Election Study to show that the increase in the number of Americans with no religious affiliation has hit a plateau. Comparing the number of Atheists, Agnostics, and “Nothing in...
Sean Carroll
Johns Hopkins
As far as I remember, the first time I stepped onto a university campus was in junior high school,...
over a year ago
As far as I remember, the first time I stepped onto a university campus was in junior high school, when I visited Johns Hopkins for an awards ceremony for the Study of Mathematically Precocious Youth. (I grew up in an environment that didn’t involve spending a lot of time on...
Out-of-Pocket Blog
Food as medicine | Out-Of-Pocket
The most cost-effective intervention we have
a year ago
The most cost-effective intervention we have
Math Is Still...
What Can Birdsong Teach Us About Human Language?
We often consider spoken language to be a feature that distinguishes humans from other forms of...
a month ago
We often consider spoken language to be a feature that distinguishes humans from other forms of animal life. Brain research, however, suggests that other creatures — including certain birds — share some of our neural circuitry related to language. In this episode, co-host Janna...
Math Is Still...
Evolving Bacteria Can Evade Barriers to ‘Peak’ Fitness
Paradoxically, natural selection can sometimes seem to block organisms from evolving useful...
a year ago
Paradoxically, natural selection can sometimes seem to block organisms from evolving useful adaptations. But a new study of “fitness landscapes” and antibiotic resistance in bacteria shows that life still finds a way.
The post Evolving Bacteria Can Evade Barriers to...
NeuroLogica Blog
Building A Robotic Hand
Roboticists are often engaged in a process of reinventing the wheel – duplicating the function of...
a year ago
Roboticists are often engaged in a process of reinventing the wheel – duplicating the function of biological bodies in rubber, metal, and plastic. This is a difficult task because biological organisms are often wondrous machines. The human hand, in particular, is a feat of...
IEEE Spectrum
The Man Who Coined The Word "Robot" Defends Himself
You’re familiar with Karel Čapek, right? If not, you should be—he’s the guy who (along with his...
11 months ago
You’re familiar with Karel Čapek, right? If not, you should be—he’s the guy who (along with his brother Josef) invented the word “robot.” Čapek introduced robots to the world in 1921, when his play “R.U.R.” (subtitled “Rossum’s Universal Robots”) was first performed in Prague. It...
NeuroLogica Blog
Are Animals Conscious?
This is a great scientific question because it challenges how we ask and answer scientific...
6 months ago
This is a great scientific question because it challenges how we ask and answer scientific questions. Are animals conscious? This is a question discussed in a recent BBC article that peaked my interest. They eventually get to a question that they should have opened with – how do...
Light from Space
The Cat's Paw
Located very close to the Lobster Nebula in the southern constellation of Scorpius, the Cat's Paw...
over a year ago
Located very close to the Lobster Nebula in the southern constellation of Scorpius, the Cat's Paw Nebula (NGC 6334) does indeed have a striking resemblance to a feline footprint.
It's quite low in the sky here from Tucson (at a maximum of about 22º above
Math Is Still...
The Best Qubits for Quantum Computing Might Just Be Atoms
In the search for the most scalable hardware to use for quantum computers, qubits made of individual...
9 months ago
In the search for the most scalable hardware to use for quantum computers, qubits made of individual atoms are having a breakout moment.
The post The Best Qubits for Quantum Computing Might Just Be Atoms first appeared on Quanta Magazine
Marine Madness
Book Club: ‘The Island of Sea Women’ by Lisa See
Little is known about Jeju- a Korean island- occupied by brutal Japanese troops in the 1930s and...
over a year ago
Little is known about Jeju- a Korean island- occupied by brutal Japanese troops in the 1930s and ’40s, later liberated by US forces and turned over to the even more barbarous Korean regime whose wrongdoings were overlooked by both American and U.N. occupiers. Lisa See travels...
Beautiful Public...
Mapping the Sea Floor
USGS research vessels equipped with cameras, sonar and scanners created a map of 125 square miles of...
a year ago
USGS research vessels equipped with cameras, sonar and scanners created a map of 125 square miles of the sea floor off Cape Ann, MA.
nanoscale views
AI/ML and condensed matter + materials science
Materials define the way we live. That may sound like an exaggeration that I like to spout because...
a year ago
Materials define the way we live. That may sound like an exaggeration that I like to spout because I'm a condensed matter physicist, but it's demonstrably true. Remember, past historians have given us terms like "Stone Age", "Bronze Age", and "Iron Age", and the "Information...
Drew Ex Machina
Memories of Project RAMOS (Russian American Observation Satellites) 1991 – 2004
During the course of my professional career, one of the more important projects I had the pleasure...
a year ago
During the course of my professional career, one of the more important projects I had the pleasure to work on was the joint US/Russian Federation (RF) […]
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
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...
Out-of-Pocket Blog
Some Common Mistakes to Avoid When Pitching Angels | Out-Of-Pocket
With some real decks and emails!
10 months ago
With some real decks and emails!
Out-of-Pocket Blog
Newsletter One + Patient Zero | Out-Of-Pocket
Shall we begin?
a year ago
Drew Ex Machina
First Pictures: Views of Mars from NASA’s Mars Observer – July 27, 1993
Having enthusiastically followed NASA’s Viking mission to Mars as a teenager during the late-1970s,...
a year ago
Having enthusiastically followed NASA’s Viking mission to Mars as a teenager during the late-1970s, the lack of any new NASA missions to Mars during the 1980s […]
Math Is Still...
Plants Find Light Using Gaps Between Their Cells
A mutant seedling revealed how plant tissues scatter incoming light, allowing plants to sense its...
10 months ago
A mutant seedling revealed how plant tissues scatter incoming light, allowing plants to sense its direction and move toward it.
The post Plants Find Light Using Gaps Between Their Cells first appeared on Quanta Magazine
Tikalon Blog by Dev...
Spiderweb Microphone
Microphones convert sound into an electrical signal for subsequent amplification, as in auditorium...
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 Higgs Field (Actually) Gives Mass to Elementary Particles
In this article adapted from his new book, "Waves in an Impossible Sea," physicist Matt Strassler...
3 months ago
In this article adapted from his new book, "Waves in an Impossible Sea," physicist Matt Strassler explains that the origin of mass in the universe has a lot to do with music.
The post How the Higgs Field (Actually) Gives Mass to Elementary Particles first appeared on...
Wanderingspace
ISS Looks Like a Toy
These animated gifs of The International Space Station look just like metal toys — but they are...
over a year ago
These animated gifs of The International Space Station look just like metal toys — but they are real. Each frame is taken with ground based amateur telescopes and then pieced together with common image software like Adobe Photoshop.
It is incredible to me that there are people...
NeuroLogica Blog
A Galaxy Without Dark Matter
Dark matter is one of the greatest current scientific mysteries. It’s a fascinating story playing...
a year ago
Dark matter is one of the greatest current scientific mysteries. It’s a fascinating story playing out in real time, although over years, so you have to be patient. Future generations might be able to binge the dark matter show, but not us. We have to wait for each episode to...
The Works in...
Links in Progress: All the single people
And how China will lose 51 million people in 10 years
5 days ago
And how China will lose 51 million people in 10 years
Damn Interesting
Capital, Punished
Located 350 km (217 miles) southeast of Puerto Rico, the British island of Montserrat is sometimes...
over a year ago
Located 350 km (217 miles) southeast of Puerto Rico, the British island of Montserrat is sometimes called ‘The Emerald Isle of the Caribbean’ for its verdancy and early Irish settlers. However, far from a paradise, Montserrat also boasts an unfortunate history, and not just...
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
clinical trial matching, "find a specialist", and more
NeuroLogica Blog
Student Attitudes Toward AI in the Class
Researchers recently published an extensive survey of almost 6,000 students across academic...
a year ago
Researchers recently published an extensive survey of almost 6,000 students across academic institution in Sweden. The results are not surprising, but they do give a snapshot of where we are with the recent introduction of large language model AIs. Most students, 56%, reported...
NeuroLogica Blog
Magnetohydrodynamic Drive – Silent Water Propulsion
DARPA, the US Defense Advanced Research Projects Agency, is now working on developing a...
a year ago
DARPA, the US Defense Advanced Research Projects Agency, is now working on developing a magnet-driven silent water propulsion system – the magnetohydrodynamic (MHD) drive. The primary reason is to develop silent military naval craft. Imagine a nuclear submarine with an MHD drive,...
Confessions of a...
Predation of juvenile reef fish in coral patches at Ningaloo Reef
The second research article I have decided to discuss is one I had the pleasure to be involved with!...
over a year ago
The second research article I have decided to discuss is one I had the pleasure to be involved with! In fact, it was the first paper I was a co-author on, after linking up with the Department of Environment and Conservation through an ANNiMS internship program. The paper was...
The Works in...
What did Henry George think about cities?
Solving the terrible urban conditions of the 1800s by abolishing cities
7 months ago
Solving the terrible urban conditions of the 1800s by abolishing cities
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
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 […]
Damn Interesting
Pushing the Envelope
As is often the case with people in dangerous professions, the Apollo astronauts found that life...
over a year ago
As is often the case with people in dangerous professions, the Apollo astronauts found that life insurance policies were prohibitively expensive. Rather than pay the exorbitant insurance fees, the astronauts devised a system to ensure their wives and children would be financially...
Out-of-Pocket Blog
Healthcare in Jail | Out-Of-Pocket
How does it work?
a year ago
NeuroLogica Blog
MOBE – A New Gene Editing System
Have you memorized yet what CRISPR stands for – clustered regularly interspaced short palindromic...
7 months ago
Have you memorized yet what CRISPR stands for – clustered regularly interspaced short palindromic repeats? Well, now you can add MOBE to the list – multiplexed orthogonal base editor. Base editors are not new, they are basically enzymes that will change one base – C (cytosine), T...
Math Is Still...
Cryptographers Solve Decades-Old Privacy Problem
Three researchers have found a long-sought way to pull information from large databases secretly,...
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
IEEE Spectrum
How the Computer Graphics Industry Got Started at the University of Utah
Animation has come a long way since 1900, when J. Stuart Blackton created The Enchanted Drawing, the...
a year ago
Animation has come a long way since 1900, when J. Stuart Blackton created The Enchanted Drawing, the earliest known animated film. The 90-second movie was created using stop-motion techniques, as flat characters, props, and backgrounds were drawn on an easel or made from...
NeuroLogica Blog
Rats!
What killed off the dodo? Humans first arrived at Mauritius island in the late 1500s. They found on...
6 months ago
What killed off the dodo? Humans first arrived at Mauritius island in the late 1500s. They found on this island fat flightless birds who nested on the ground and were a convenient way to restock their ship’s food supply. Within 80 years the dodo went extinct. But hunting was not...
wadertales
Will head-starting work for Curlew?
83 captive-reared Curlew were released successfully in 2019, over 130 in 2021 and a similar number...
over a year ago
83 captive-reared Curlew were released successfully in 2019, over 130 in 2021 and a similar number in 2022 but this does not mean that head-starting is a solution to England’s Curlew problems. We don’t yet know the proportion of youngsters that survive the difficult ‘teenage...
Wanderingspace
Saturn Vortex
“This is a view of a ~2,000-km-wide vortex of swirling clouds above Saturn's north pole, imaged in...
2 weeks ago
“This is a view of a ~2,000-km-wide vortex of swirling clouds above Saturn's north pole, imaged in polarized light with Cassini's narrow-angle camera on November 27, 2012. I've processed the original monochrome image to approximate the color of the area at the time.” — Jason...
Quantum Frontiers
A peek inside Northrop Grumman’s subatomic endeavors
As the weather turns colder and we trade outdoor pools for pumpkin spice and then Christmas carols,...
over a year ago
As the weather turns colder and we trade outdoor pools for pumpkin spice and then Christmas carols, perhaps you’re longing for summer’s warmth. For me, it is not just warmth I yearn for: This past summer, I worked as a … Continue reading →
Probably...
Life in a Lognormal World
At PyData Global 2023 I will present a talk, “Extremes, outliers, and GOATs: On life in a lognormal...
a year ago
At PyData Global 2023 I will present a talk, “Extremes, outliers, and GOATs: On life in a lognormal world”. It is scheduled for Wednesday 6 December at 11 am Eastern Time. Here is the abstract: The fastest runners are much faster than we expect from a Gaussian distribution, and...
Cremieux Recueil
Grading the World's Shortest Manifesto
It gets an F and the student has earned the death penalty
a week ago
It gets an F and the student has earned the death penalty
Math Is Still...
What Does Milk Do for Babies?
Human nutrition begins with milk, but the wondrous biofluid does much more than feed babies. In this...
8 months ago
Human nutrition begins with milk, but the wondrous biofluid does much more than feed babies. In this episode, co-host Steven Strogatz speaks with molecular nutritionist Elizabeth Johnson about her research into the impact of human milk on a healthy microbiome.
The...
Math Is Still...
Nobel Prize Honors Inventors of ‘Quantum Dot’ Nanoparticles
The Nobel Prize for Chemistry has been awarded to three researchers who harnessed the quantum...
a year ago
The Nobel Prize for Chemistry has been awarded to three researchers who harnessed the quantum behaviors of semiconductor nanocrystals.
The post Nobel Prize Honors Inventors of ‘Quantum Dot’ Nanoparticles first appeared on Quanta Magazine
Out-of-Pocket Blog
“Mission-driven” should be more specific | Out-Of-Pocket
everything is a set of tradeoffs, let's be honest about that
8 months ago
everything is a set of tradeoffs, let's be honest about that
NeuroLogica Blog
Should Japan Release Radioactive Water Into The Pacific?
Japan is planning on releasing treated radioactive water from the Fukushima nuclear accident into...
a year ago
Japan is planning on releasing treated radioactive water from the Fukushima nuclear accident into the ocean. They claim this will be completely safe, but there are protests going on in both Japan and South Korea, and China has just placed a ban on seafood from Japan. In a perfect...
Sean Carroll
Thanksgiving
This year we give thanks for Arrow’s Impossibility Theorem. (We’ve previously given thanks for the...
over a year ago
This year we give thanks for Arrow’s Impossibility Theorem. (We’ve previously given thanks for the Standard Model Lagrangian, Hubble’s Law, the Spin-Statistics Theorem, conservation of momentum, effective field theory, the error bar, gauge symmetry, Landauer’s Principle, the...
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
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...
Math Is Still...
Quaking Giants Might Solve the Mysteries of Stellar Magnetism
In their jiggles and shakes, red giant stars encode a record of the magnetic fields near their...
a year ago
In their jiggles and shakes, red giant stars encode a record of the magnetic fields near their cores.
The post Quaking Giants Might Solve the Mysteries of Stellar Magnetism first appeared on Quanta Magazine
Out-of-Pocket Blog
Exits & Outcomes Is Good | Out-Of-Pocket
moar newsletters
a year ago
The Works in...
Links in Progress: Expanding the Mediterranean's busiest port
Plus: New tunnels, monorails, canals, small modular reactors, and horseless carriages
a month ago
Plus: New tunnels, monorails, canals, small modular reactors, and horseless carriages
NeuroLogica Blog
Hunger Circuitry
One of the organizing principles that govern living organisms is homeostasis. This is a key feature...
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...
nanoscale views
Experimental techniques: bridge measurements
When we teach undergraduates about materials and measuring electrical resistance, we tend to gloss...
4 months ago
When we teach undergraduates about materials and measuring electrical resistance, we tend to gloss over the fact that there are specialized techniques for this - it's more than just hooking up a battery and an ammeter. If you want to get high precision results, such as measuring...
Probably...
Regrets and Regression
It’s another installment in Data Q&A: Answering the real questions with Python. Previous...
5 months ago
It’s another installment in Data Q&A: Answering the real questions with Python. Previous installments are available from the Data Q&A landing page. standardize Standardization and Normalization¶ Here’s a question from the Reddit statistics forum. I want to write a research...
Math Is Still...
The Surprisingly Simple Math Behind Puzzling Matchups
If Anna beats Benji in a game and Benji beats Carl, will Anna beat Carl?
The post The...
11 months ago
If Anna beats Benji in a game and Benji beats Carl, will Anna beat Carl?
The post The Surprisingly Simple Math Behind Puzzling Matchups first appeared on Quanta Magazine
Drew Ex Machina
Recollections of NASA’s Apollo 11 Mission
Like a lot of kids who grew up during the ‘60s and ‘70s, I had a fascination with spaceflight. This...
5 months ago
Like a lot of kids who grew up during the ‘60s and ‘70s, I had a fascination with spaceflight. This interest started honestly enough back around […]
Asterisk
Better Living Through Group Chemistry
Inside the San Francisco group house scene.
5 months ago
Inside the San Francisco group house scene.
Asterisk
Debugging Tech Journalism
A huge proportion of tech journalism is characterized by scandals, sensationalism, and shoddy...
8 months ago
A huge proportion of tech journalism is characterized by scandals, sensationalism, and shoddy research. Can we fix it?
Out-of-Pocket Blog
Time Toxicity - A Real-World Example | Out-Of-Pocket
Being sick is already annoying, now I gotta spend time on the phone???
11 months ago
Being sick is already annoying, now I gotta spend time on the phone???
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
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
Light from Space
Vaporwave Crescent
Shooting space with a monochrome camera means using various filters—when choosing narrowband filters...
over a year ago
Shooting space with a monochrome camera means using various filters—when choosing narrowband filters (those with only a few nanometers of bandpass) one can limit the sensor capturing only very specific wavelengths of light, namely the emissions of certain gasses (basically,...
NeuroLogica Blog
Giant Eels, Loch Ness, and Probability
At this point it is pretty clear that the Loch Ness Monster (Nessie) does not exist. I know,...
a year ago
At this point it is pretty clear that the Loch Ness Monster (Nessie) does not exist. I know, logically it is impossible to prove a negative, so if we want to be technical we can say that the probability of a large creature similar to that believed to be Nessie approaches zero....
Out-of-Pocket Blog
How To Self-Publish A Children's Book and How Much You Can Expect To Make | Out-Of-Pocket
spoiler: you will make very little lol
a year ago
spoiler: you will make very little lol
nanoscale views
The Nobels, physics and chemistry
As you undoubtedly know, the 2023 Nobel in physics has been awarded to Pierre Agostini, Ferenc...
a year ago
As you undoubtedly know, the 2023 Nobel in physics has been awarded to Pierre Agostini, Ferenc Krausz, and Anne L'Huillier, for the development of techniques associated with attosecond-scale optical pulses. Here is the more popular write-up about this (including a good handwave...
Interaction Magic -...
Light Engineering
Exploring the physics and engineering of light pipes, where optics and mechanical design meet.
over a year ago
Exploring the physics and engineering of light pipes, where optics and mechanical design meet.
Math Is Still...
How the Square Root of 2 Became a Number
Useful mathematical concepts, like the number line, can linger for millennia before they are...
6 months ago
Useful mathematical concepts, like the number line, can linger for millennia before they are rigorously defined.
The post How the Square Root of 2 Became a Number first appeared on Quanta Magazine
Light from Space
The Dense & Dusty Orion Nebula
Next to the Andromeda Galaxy, the Orion Nebula (also referred to as “Great Nebula in Orion” in older...
over a year ago
Next to the Andromeda Galaxy, the Orion Nebula (also referred to as “Great Nebula in Orion” in older texts) is likely the first target for any fledgling amateur astrophotographer in the Northern Hemisphere.
It's so bright it actually appears to the naked eye essentially like a
NeuroLogica Blog
A Climate Debate Regarding Health Effects – Part II
Yesterday’s post was the first in an exchange about the effects of climate change on public health....
a year ago
Yesterday’s post was the first in an exchange about the effects of climate change on public health. Today’s post is my response. Part II Climate change is a critically important topic for society today, and it’s important that the public have a working knowledge of the facts,...
Out-of-Pocket Blog
Particle Health And Pulling Patient Data | Out-Of-Pocket
One API, one dream
a year ago
Melting Asphalt
A Natural History of Beauty
A mashup of ideas from David Deutsch, Geoffrey Miller, and Richard Prum, with a little César Hidalgo...
over a year ago
A mashup of ideas from David Deutsch, Geoffrey Miller, and Richard Prum, with a little César Hidalgo thrown in for good measure. —— Of all the problems that can plague a discussion of beauty — and there are several — perhaps…
Read more ›
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
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
brr
Doors of McMurdo
Doors, in a variety of shapes and styles.
over a year ago
Doors, in a variety of shapes and styles.
Quantum Frontiers
The Book of Mark
Mark Srednicki doesn’t look like a high priest. He’s a professor of physics at the University of...
a year ago
Mark Srednicki doesn’t look like a high priest. He’s a professor of physics at the University of California, Santa Barbara (UCSB); and you’ll sooner find him in khakis than in sacred vestments. Humor suits his round face better than channeling … Continue reading →
Math Is Still...
The Deep Link Equating Math Proofs and Computer Programs
Mathematical logic and the code of computer programs are, in an exact way, mirror images of each...
a year ago
Mathematical logic and the code of computer programs are, in an exact way, mirror images of each other.
The post The Deep Link Equating Math Proofs and Computer Programs first appeared on Quanta Magazine
Math Is Still...
An Enormous Gravity ‘Hum’ Moves Through the Universe
Astronomers have found a background din of exceptionally long-wavelength gravitational waves...
a year ago
Astronomers have found a background din of exceptionally long-wavelength gravitational waves pervading the cosmos.
The post An Enormous Gravity ‘Hum’ Moves Through the Universe first appeared on Quanta Magazine
Math Is Still...
Does AI Know What an Apple Is? She Aims to Find Out.
The computer scientist Ellie Pavlick is translating philosophical concepts such as “meaning” into...
8 months ago
The computer scientist Ellie Pavlick is translating philosophical concepts such as “meaning” into concrete, testable ideas.
The post Does AI Know What an Apple Is? She Aims to Find Out. first appeared on Quanta Magazine
Math Is Still...
Swirling Forces, Crushing Pressures Measured in the Proton
Long-anticipated experiments that use light to mimic gravity are revealing the distribution of...
9 months ago
Long-anticipated experiments that use light to mimic gravity are revealing the distribution of energies, forces and pressures inside a subatomic particle for the first time.
The post Swirling Forces, Crushing Pressures Measured in the Proton first appeared on Quanta...
IEEE Spectrum
False Starts: The Story of Vehicle-to-Grid Power
In 2001, a team of engineers at a then-obscure R&D company called AC Propulsion quietly began a...
a year ago
In 2001, a team of engineers at a then-obscure R&D company called AC Propulsion quietly began a groundbreaking experiment. They wanted to see whether an electric vehicle could feed electricity back to the grid. The experiment seemed to prove the feasibility of the technology. The...
Melting Asphalt
Minimum Viable Superorganism
Originally published at Ribbonfarm. Of all the remarkable things about our species — and there are...
over a year ago
Originally published at Ribbonfarm. Of all the remarkable things about our species — and there are many — perhaps the most striking of all is our ability to band together and act as a united, coherent superorganism. E pluribus unum.…
Read more ›
The Works in...
Links in Progress: What are children for?
And how the UN’s birth rate forecasts keep getting it wrong
a month ago
And how the UN’s birth rate forecasts keep getting it wrong
Math Is Still...
Michel Talagrand Wins Abel Prize for Work Wrangling Randomness
The French mathematician spent decades developing a set of tools now widely used for taming random...
9 months ago
The French mathematician spent decades developing a set of tools now widely used for taming random processes.
The post Michel Talagrand Wins Abel Prize for Work Wrangling Randomness first appeared on Quanta Magazine
Math Is Still...
Math’s ‘Bunkbed Conjecture’ Has Been Debunked
It was intuitive, even obvious. It was also wrong.
The post Math’s ‘Bunkbed Conjecture’...
a month ago
It was intuitive, even obvious. It was also wrong.
The post Math’s ‘Bunkbed Conjecture’ Has Been Debunked first appeared on Quanta Magazine
Out-of-Pocket Blog
The Amazon + One Medical Post | Out-Of-Pocket
I guess I should say something?
9 months ago
I guess I should say something?
The Roots of...
The epistemic virtue of scope matching
Something a little bit different today. I’ll tie it in to progress, I promise.
I keep noticing a...
a year ago
Something a little bit different today. I’ll tie it in to progress, I promise.
I keep noticing a particular epistemic pitfall (not exactly a “fallacy”), and a corresponding epistemic virtue that avoids it. I want to call this out and give it a name.
The virtue is: identifying the...
Out-of-Pocket Blog
"AI sucks", Quantifying EMR burden, and Loneliness | Out-Of-Pocket
3 interesting papers I like
a year ago
3 interesting papers I like
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
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...
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
[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...
The Roots of...
What is progress?
In one sense, the concept of progress is simple, straightforward, and uncontroversial. In another...
9 months ago
In one sense, the concept of progress is simple, straightforward, and uncontroversial. In another sense, it contains an entire worldview.
The most basic meaning of “progress” is simply advancement along a path, or more generally from one state to another that is considered more...
Bartosz Ciechanowski
Sound
Invisible and relentless, sound is seemingly just there, traveling through our surroundings to carry...
over a year ago
Invisible and relentless, sound is seemingly just there, traveling through our surroundings to carry beautiful music or annoying noises. In this article I’ll explain what sound is, how it’s created and propagated.
Throughout this presentation you will be hearing different sounds,...
NeuroLogica Blog
Evidence Suggests Lunar Cave
Astronomers have discovered multiple “pits” on the surface of the moon – these look superficially...
5 months ago
Astronomers have discovered multiple “pits” on the surface of the moon – these look superficially like craters, but on closer inspection are actually vertical pits. There has been considerable speculation that these pits might be cave openings. Now, an analysis of data from the...
Math Is Still...
New Proof Finds the ‘Ultimate Instability’ in a Solar System Model
For the first time, mathematicians have proved that planetary orbits in a solar system will always...
a year ago
For the first time, mathematicians have proved that planetary orbits in a solar system will always be unstable.
The post New Proof Finds the ‘Ultimate Instability’ in a Solar System Model first appeared on Quanta Magazine
nanoscale views
Noise in a strange metal - pushing techniques into new systems
Over the holiday weekend, we had a paper come out in which we report the results of measuring charge...
a year ago
Over the holiday weekend, we had a paper come out in which we report the results of measuring charge shot noise (see here also) in a strange metal. Other write-ups of the work (here and especially this nice article in Quanta here) do a good job of explaining what we saw, but I...
Math Is Still...
A New Experiment Casts Doubt on the Leading Theory of the Nucleus
By measuring inflated helium nuclei, physicists have challenged our best understanding of the force...
a year ago
By measuring inflated helium nuclei, physicists have challenged our best understanding of the force that binds protons and neutrons.
The post A New Experiment Casts Doubt on the Leading Theory of the Nucleus first appeared on Quanta Magazine
IEEE Spectrum
Xerox Donates Legendary PARC Research Center
Xerox is donating its legendary research lab PARC to the nonprofit research institute SRI...
a year ago
Xerox is donating its legendary research lab PARC to the nonprofit research institute SRI International. The subsidiary’s pioneering research in the 1970s helped give birth to the era of personal computing. Xerox says the move will allow it to focus on its core business.
The...
Marine Madness
Book club: ‘Being Salmon Being Human’ by Martin Lee Mueller
Encountering the Wild in Us and Us in the Wild Norwegian and Pacific Northwest salmon industries...
over a year ago
Encountering the Wild in Us and Us in the Wild Norwegian and Pacific Northwest salmon industries remain largely overlooked and Martin Lee Mueller cleverly weaves the stories of artificially inseminated and reared salmon to highlight the long-standing notion of human...
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
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....
Explorations of an...
2023 Part 5: Late Summer To Early Winter In Ontario
August and September
In the middle of August, I traveled to Letchworth State Park in New York for a...
11 months ago
August and September
In the middle of August, I traveled to Letchworth State Park in New York for a weekend with some of my family. It was wonderful to spend time with everyone, as well as to get in some hiking and find some species that I haven't seen before in Ontario (mostly...
Math Is Still...
How to Guarantee the Safety of Autonomous Vehicles
As computer-driven cars and planes become more common, the key to preventing accidents, researchers...
11 months ago
As computer-driven cars and planes become more common, the key to preventing accidents, researchers show, is to know what you don’t know.
The post How to Guarantee the Safety of Autonomous Vehicles first appeared on Quanta Magazine
nanoscale views
Materials labs of the future + cost
The NSF Division of Materials Research has been soliciting input from the community about both the...
over a year ago
The NSF Division of Materials Research has been soliciting input from the community about both the biggest outstanding problems in condensed matter and materials science, and the future of materials labs - what kind of infrastructure, training, etc. will be needed to address...
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
Some stuff I’ve learned doing a little healthcare startup investing
Tikalon Blog by Dev...
US Independence Day
Tikalon is on a short holiday in celebration of US Independence Day, July 4, 2024. Our next article...
5 months ago
Tikalon is on a short holiday in celebration of US Independence Day, July 4, 2024. Our next article will be posted on Monday, July 15, 2024. View my version of the iconic image of George Washington's crossing of the Delaware River in which he encounters some unusually large...
Drew Ex Machina
Rockets Falling from Orbit: The Saturn V That Launched NASA’s Skylab
In recent years, the uncontrolled reentries of the spent 22-metric ton core stages of China’s new...
over a year ago
In recent years, the uncontrolled reentries of the spent 22-metric ton core stages of China’s new Long March 5B heavy lift launch vehicle, used to orbit […]
Beautiful Public...
The United States Frequency Allocation Chart
This crazy, beautiful chart illustrates the incredible complexity of managing one of our nation’s...
a year ago
This crazy, beautiful chart illustrates the incredible complexity of managing one of our nation’s most crucial – and invisible – national assets: the radio spectrum.
nanoscale views
New paper - plasmons, excitons, and steering energy
We have a new paper out in Nano Letters (arxiv version here), and I wanted to explain a bit about it...
a year ago
We have a new paper out in Nano Letters (arxiv version here), and I wanted to explain a bit about it and why I think it's a really cool result.
I've written before about the Purcell Effect. When we study quantum mechanics, we learn that the rates of processes, like the...
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
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
Math Is Still...
Will AI Ever Have Common Sense?
Common sense has been viewed as one of the hardest challenges in AI. That said, ChatGPT4 has...
5 months ago
Common sense has been viewed as one of the hardest challenges in AI. That said, ChatGPT4 has acquired what some believe is an impressive sense of humanity. How is this possible? Listen to this week’s “The Joy of Why” with co-host Steven Strogatz.
The post Will AI Ever...
Blog - Practical...
These Metals Destroy Themselves to Prevent Rust
[Note that this article is a transcript of the video embedded above.]
This is the old Howard...
over a year ago
[Note that this article is a transcript of the video embedded above.]
This is the old Howard Frankland Bridge that carries roughly 180,000 vehicles per day across Old Tampa Bay between St. Petersburg and Tampa, Florida. A replacement for the bridge is currently under...
Out-of-Pocket Blog
The New Wave of Concierge Medicine | Out-Of-Pocket
This episode of Out-Of-Pocket is brought to you by…
5 months ago
This episode of Out-Of-Pocket is brought to you by…
Math Is Still...
Deep Beneath Earth’s Surface, Clues to Life’s Origins
Last spring, scientists retrieved a trove of mantle rocks from underneath the Atlantic seafloor — a...
11 months ago
Last spring, scientists retrieved a trove of mantle rocks from underneath the Atlantic seafloor — a bounty that could help write the first chapter of life's story on Earth.
The post Deep Beneath Earth’s Surface, Clues to Life’s Origins first appeared on Quanta...
Math Is Still...
Mathematicians Marvel at ‘Crazy’ Cuts Through Four Dimensions
Topologists prove two new results that bring some order to the confoundingly difficult study of...
8 months ago
Topologists prove two new results that bring some order to the confoundingly difficult study of four-dimensional shapes.
The post Mathematicians Marvel at ‘Crazy’ Cuts Through Four Dimensions first appeared on Quanta Magazine
The Works in...
Escape to the country
What makes a successful New Town?
4 months ago
What makes a successful New Town?
Cremieux Recueil
American Elections Are Unfair
Unfortunately, unfairness is baked in
a month ago
Unfortunately, unfairness is baked in
Explorations of an...
Potrero de Yala - Dippers, Red-faced Guans And More
Laura and I were up early to make the most of our morning at Potrero de Yala. As dawn broke, we...
a year ago
Laura and I were up early to make the most of our morning at Potrero de Yala. As dawn broke, we slowly drove in along the entrance road, keeping an eye out for guans.
We found quite a few guans on and around the road but none were our hoped-for Red-faced Guans; they were all...
Damn Interesting
Journey to the Invisible Planet
In the late 17th century, natural philosopher Isaac Newton was deeply uneasy with a new scientific...
a year ago
In the late 17th century, natural philosopher Isaac Newton was deeply uneasy with a new scientific theory that was gaining currency in Europe: universal gravitation. In correspondence with a scientific contemporary, Newton complained that it was “an absurdity” to suppose that...
Blog - Practical...
Why Is Desalination So Difficult?
[Note that this article is a transcript of the video embedded above.]
This is the Carlsbad...
a year ago
[Note that this article is a transcript of the video embedded above.]
This is the Carlsbad Desalination Plant outside of San Diego, California. It produces roughly ten percent of the area’s fresh water, around 50 million gallons or 23,000 cubic meters per day. Unlike most...
NeuroLogica Blog
AI Video
Recently OpenAI launched a website showcasing their latest AI application, Sora. This app, based on...
10 months ago
Recently OpenAI launched a website showcasing their latest AI application, Sora. This app, based on prompts similar to what you would use for ChatGPT or the image creation applications, like Midjourney or Dalle-2, creates a one minute photorealistic video without sound. Take a...
NeuroLogica Blog
Hybrid Biopolymer Transistors – Implications for Brain Machine Interface
There are several technologies which seem likely to be transformative in the coming decades. Genetic...
a year ago
There are several technologies which seem likely to be transformative in the coming decades. Genetic bioengineering gives us the ability to control the basic machinery of life, including ourselves. Artificial intelligence is a suite of active, learning, information tools....
Explorations of an...
Black-fronted Piping-Guans at Parque Provincial Urugua-í
February 8, 2023
Laura and I left the environs of Iguazú Falls and worked our way south and then...
a year ago
February 8, 2023
Laura and I left the environs of Iguazú Falls and worked our way south and then east, our destination being Parque Provincial Uragua-í. This park is a little bit off of the standard birding route and is not frequently visited by foreign birders. And, because...
Sean Carroll
Energy Conservation and Non-Conservation in Quantum Mechanics
Conservation of energy is a somewhat sacred principle in physics, though it can be tricky in certain...
over a year ago
Conservation of energy is a somewhat sacred principle in physics, though it can be tricky in certain circumstances, such as an expanding universe. Quantum mechanics is another context in which energy conservation is a subtle thing — so much so that it’s still worth writing papers...
IEEE Spectrum
James Wimshurst’s Electrostatic Immortality
James Wimshurst did not invent the machine that bears his name. But thanks to his many refinements...
a year ago
James Wimshurst did not invent the machine that bears his name. But thanks to his many refinements to a distinctive type of electrostatic generator, we now have the Wimshurst influence machine.
What does a Wimshurst machine do?
Influence machines date back to the 18th century....
NeuroLogica Blog
How Were the Pyramids Built?
The Egyptian pyramids, and especially the Pyramids at Giza, have fascinated people probably since...
7 months ago
The Egyptian pyramids, and especially the Pyramids at Giza, have fascinated people probably since their construction between 4700 and 3700 years ago. They are massive structures, and it boggles the mind that an ancient culture, without the benefit of any industrial technology,...
Beautiful Public...
A Rover's First 590 Days* on Mars
I downloaded 60,000 images to experience what NASA's Perseverance rover has been seeing since...
over a year ago
I downloaded 60,000 images to experience what NASA's Perseverance rover has been seeing since landing there in Feb. 2021.
Math Is Still...
The Scientist Who Decodes the Songs of Undersea Volcanoes
In the rumbles and groans of underwater volcanoes, Jackie Caplan-Auerbach finds her favorite...
a year ago
In the rumbles and groans of underwater volcanoes, Jackie Caplan-Auerbach finds her favorite harmonies — and clues to the Earth’s interior.
The post The Scientist Who Decodes the Songs of Undersea Volcanoes first appeared on Quanta Magazine
Asterisk
Fracking Eyeballs
How an alliance between psychologists and advertisers at the turn of the 20th century taught us how...
a year ago
How an alliance between psychologists and advertisers at the turn of the 20th century taught us how to measure (and monetize) human attention.
Out-of-Pocket Blog
The New (Experimental) Ways To Tackle The Mental Health Crisis | Out-Of-Pocket
let's try some new stuff to scale mental health care
a year ago
let's try some new stuff to scale mental health care
Asterisk
The Art of Asking Questions
Everyone seems to agree that self-report questions are fraught with lies, biases, errors, and other...
3 weeks ago
Everyone seems to agree that self-report questions are fraught with lies, biases, errors, and other inaccuracies. We all use them anyway. How can we ask them better?
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
[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....
Light from Space
The Fossil Footprint Nebula
A rarely imaged target as it is very dim. This image took me over 50h of total exposure time.
Total...
11 months ago
A rarely imaged target as it is very dim. This image took me over 50h of total exposure time.
Total exposure time: 52h 40'
Image resolution: 4,490 × 4,552px (0.96″/px)
Shot from my driveway near Tucson, AZ in late 2023
Telescope: William Optics RedCat
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
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...
Uncharted...
The Moral Case for More People on Earth
Today we’re going to cover four points that have emerged from the last few articles on growing our...
3 weeks ago
Today we’re going to cover four points that have emerged from the last few articles on growing our population, but which I haven’t covered yet:
Out-of-Pocket Blog
Answers: How should physicians get paid? | Out-Of-Pocket
What is a "fair amount" for a physician to get paid?
a year ago
What is a "fair amount" for a physician to get paid?
Marine Madness
Cownose rays at Bristol Aquarium (video)
Watch Bristol Aquarium’s newest residents in action. Bristol Aquarium reopened its doors on May 18...
over a year ago
Watch Bristol Aquarium’s newest residents in action. Bristol Aquarium reopened its doors on May 18 after being closed for months due to the Covid-19 pandemic, meaning visitors were finally allowed to return and see their favourite ocean creatures up close. But during the...
nanoscale views
A busy and contentious week in condensed matter physics
There were a couple of interesting and controversial things afoot this week in the condensed matter...
a year ago
There were a couple of interesting and controversial things afoot this week in the condensed matter world.
There was a new preprint from the group of Prof. Hemley at the University of Illinois Chicago featuring electronic transport measurements in samples of the putative room...
Math Is Still...
Will Better Superconductors Transform the World?
Scientists are pursuing materials that can conduct electricity with perfect efficiency under ambient...
7 months ago
Scientists are pursuing materials that can conduct electricity with perfect efficiency under ambient conditions. In this episode, the physicist Siddharth Shanker Saxena tells co-host Janna Levin about what makes this hunt so difficult and consequential.
The post Will...
Chris Grossack's...
Preprint -- The RAAG Functor as a Categorical Embedding
After almost a year of sitting on my hard drive, I finally had time in
August to finish revising my...
a year ago
After almost a year of sitting on my hard drive, I finally had time in
August to finish revising my new preprint on
Right Angled Artin Groups (Raags). And in September I had time to put
it on the arxiv for people to see! Within 24 hours I had an email from
somebody who had...
nanoscale views
Brief items - LOC, GPT, etc.
This year was a busy one and my overall posting rate is down. Hopefully the coming year will be a...
over a year ago
This year was a busy one and my overall posting rate is down. Hopefully the coming year will be a bit less frenetic, but who knows. A few brief items:
First, in the odd self-promotion department, this blog is officially going to be indexed by the Library of Congress as part...
NeuroLogica Blog
Evidence of Ancient Solar Flares
From time to time the Earth gets hit by a wave of energetic particles from the sun – solar flares or...
a year ago
From time to time the Earth gets hit by a wave of energetic particles from the sun – solar flares or even coronal mass ejections (CMEs). In 1859 a large CME hit Earth (known as the Carrington Event), shorting out telegraphs, brightening the sky, and causing aurora deep into...
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
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...
Asterisk
The Devil in the Details: Matthew Desmond’s Poverty by America
Matthew Desmond’s Poverty, by America is one of the most celebrated books on the subject....
a year ago
Matthew Desmond’s Poverty, by America is one of the most celebrated books on the subject. Unfortunately, carelessness about the ways we measure poverty undercuts its main argument.
Probably...
Which Standard Deviation?
It’s another installment in Data Q&A: Answering the real questions with Python. Previous...
6 months ago
It’s another installment in Data Q&A: Answering the real questions with Python. Previous installments are available from the Data Q&A landing page. standard_dev Which Standard Deviation¶ Here’s a question from the Reddit statistics forum. When do we use N and when N-1 for...
Asterisk
The Highway to NIMBYism
San Francisco’s history of collective decision-making helped prevent the city from being carved up...
7 months ago
San Francisco’s history of collective decision-making helped prevent the city from being carved up by highways. Today, that same legacy prevents the city from building what it desperately needs: more housing.
IEEE Spectrum
The Marimba Virtuoso’s Desktop Planetarium
The United States was at the time approaching “peak space.” The previous year, cosmonaut Yuri...
a year ago
The United States was at the time approaching “peak space.” The previous year, cosmonaut Yuri Gagarin had become the first human to reach outer space, and on 12 September 1962 President Kennedy would announce the United States’ intention to put a man on the moon before the...
Math Is Still...
How Randomness Improves Algorithms
Unpredictability can help computer scientists solve otherwise intractable problems.
The...
a year ago
Unpredictability can help computer scientists solve otherwise intractable problems.
The post How Randomness Improves Algorithms first appeared on Quanta Magazine
ToughSF
The Expanse's Epstein Drive
We aim to take a fictional propulsion
technology from The Expanse, and apply the appropriate science...
over a year ago
We aim to take a fictional propulsion
technology from The Expanse, and apply the appropriate science to explain its
features in a realistic manner.
This also applies to other SciFi
settings that want a similar engine for their own spacecraft.
The Epstein Drive
Title art...
NeuroLogica Blog
UFOs – Has the Narrative Shifted
In an interview for Newsweek, Michio Kaku was asked about UFOs. Here’s his response: Well, first of...
a year ago
In an interview for Newsweek, Michio Kaku was asked about UFOs. Here’s his response: Well, first of all, I think that there’s been a game changer. In the old days, the burden of proof was on the true believers to prove that what they saw last night was a flying saucer of some...
Blog - Practical...
How Different Spillway Gates Work
[Note that this article is a transcript of the video embedded above.]
In the heart of Minneapolis,...
a year ago
[Note that this article is a transcript of the video embedded above.]
In the heart of Minneapolis, Minnesota on the Mississippi River is the picturesque Upper Saint Anthony Falls Lock and Dam, which originally made it possible to travel upstream on the river past the falls...
Math Is Still...
The Viral Paleontologist Who Unearths Pathogens’ Deep Histories
Sébastien Calvignac-Spencer searches museum jars for genetic traces of flu, measles and other...
4 months ago
Sébastien Calvignac-Spencer searches museum jars for genetic traces of flu, measles and other viruses. Their evolutionary stories can help treat modern outbreaks and prepare for future ones.
The post The Viral Paleontologist Who Unearths Pathogens’ Deep Histories...
Out-of-Pocket Blog
Air Quality, Breathing, and Health | Out-Of-Pocket
What we inhale is a public health issue
a year ago
What we inhale is a public health issue
Math Is Still...
Mathematicians Uncover a New Way to Count Prime Numbers
To make progress on one of number theory’s most elementary questions, two mathematicians turned to...
a week ago
To make progress on one of number theory’s most elementary questions, two mathematicians turned to an unlikely source.
The post Mathematicians Uncover a New Way to Count Prime Numbers first appeared on Quanta Magazine
Blog - Practical...
Why Bridges Need Sensors (and other structures too)
[Note that this article is a transcript of the video embedded above.]
Almost immediately after I...
a year ago
[Note that this article is a transcript of the video embedded above.]
Almost immediately after I started making videos about engineering, people started asking me to play video games on the channel. Apparently there’s roughly a billion people who watch online gaming these days,...
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
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 Month In Northern Peru, Part 8: Pale-billed Antpittas In The Elfin Forest (February 10, 2024)
February 10, 2024
The Pale-billed Antpitta is a large, fancy-looking Grallaria antpitta only found...
6 months ago
February 10, 2024
The Pale-billed Antpitta is a large, fancy-looking Grallaria antpitta only found in the high Andes of northern Peru. Because of its proclivity towards dense forest with an abundance of bamboo, there are few places where this species can be easily found. These...
Blog - Practical...
How Railroad Crossings Work
[Note that this article is a transcript of the video embedded above.]
If you’ve ever ridden a bike,...
11 months ago
[Note that this article is a transcript of the video embedded above.]
If you’ve ever ridden a bike, driven a car, or operated pretty much any other vehicle on earth, there’s a fact you’ve probably taken for granted: you can see farther than it takes to stop. Within the span...
Asterisk
America Doesn’t Know Tofu
China has spent millennia exploring the culinary possibilities of soybean curds. The West has barely...
a year ago
China has spent millennia exploring the culinary possibilities of soybean curds. The West has barely scratched the surface.
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
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...
Drew Ex Machina
Drew Ex Machina 10th Anniversary: Top Ten Posts
I find it difficult to believe but, it was ten years ago today that I posted the first article on my...
9 months ago
I find it difficult to believe but, it was ten years ago today that I posted the first article on my then-new website, Drew Ex Machina. […]
Probably...
The Center Moves Faster Than You
In May 2022, Elon Musk tweeted this cartoon: The creator of the cartoon, Colin Wright, explained it...
11 months ago
In May 2022, Elon Musk tweeted this cartoon: The creator of the cartoon, Colin Wright, explained it like this: At the outset, I stand happily beside ‘my fellow liberal,’ who is slightly to my left. In 2012 he sprints to the left, dragging out the left end of the political...
Many Worlds
All Six Element Needed For Life as We Know It Have Now Been Found in The Watery Plumes of Enceladus
The elements needed for life as we know it are carbon, hydrogen, oxygen, nitrogen sulfur and...
a year ago
The elements needed for life as we know it are carbon, hydrogen, oxygen, nitrogen sulfur and phosphorus. Before today, planetary scientists could say that five of those crucial elements had been found in the watery spray that spurts out of the Saturn’s moon, Enceladus. All that...
Cremieux Recueil
Woke Madness
Why do more left-wing individuals tend to be more mentally ill?
3 months ago
Why do more left-wing individuals tend to be more mentally ill?
Explorations of an...
Uruguay Part 1: Relaxed Birding In The Countryside
Uruguay is one of the smallest countries in South America and the only one that is entirely situated...
a year ago
Uruguay is one of the smallest countries in South America and the only one that is entirely situated south of the Tropic of Capricorn. Uruguay was first settled by hunter-gatherers around 13,000 years ago, while the predominate tribe when Europeans arrived was the Charrúa people....
Out-of-Pocket Blog
Dental Insurance, Value-Based Dental, and Beam Benefits | Out-Of-Pocket
Why doesn’t dental have value-based care?
a year ago
Why doesn’t dental have value-based care?
NeuroLogica Blog
The Speed of Gravity
I recently received an e-mail question from an SGU listener about the speed of gravity. They were...
a year ago
I recently received an e-mail question from an SGU listener about the speed of gravity. They were questioning a statement they heard by Neil DeGrasse Tyson that if the sun were magically plucked from existence, the Earth would not feel the effects for 8 minutes and 20 seconds –...
Math Is Still...
The Year in Physics
Physicists discovered strange supersolids, constructed new kinds of superconductors, and continued...
5 days ago
Physicists discovered strange supersolids, constructed new kinds of superconductors, and continued to make the case that the cosmos is far weirder than anyone suspected.
The post The Year in Physics 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
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....
wadertales
A Whimbrel’s year
There’s a lot to fit into twelve months if you’re a Whimbrel. In the last paper from his PhD, Camilo...
over a year ago
There’s a lot to fit into twelve months if you’re a Whimbrel. In the last paper from his PhD, Camilo Carneiro assesses whether Icelandic Whimbrel can always manage to complete the annual cycle of migrate-breed-fatten-migrate-moult-fatten in just 365 days. What happens if a pair...
symmetry magazine
Imagining the future of gravitational-wave research
To understand why scientists are excited about detecting a new background, just look to the history...
a year ago
To understand why scientists are excited about detecting a new background, just look to the history of studies of the CMB.
Out-of-Pocket Blog
The Ins-and-Outs of Cancer Care Navigators With Laura Stratte | Out-Of-Pocket
What are cancer care navigators and what issues do they face?
a year ago
What are cancer care navigators and what issues do they face?
NeuroLogica Blog
T-rex Had Lips
One of the challenges of paleontology is that we are trying to infer and entire animal just from the...
a year ago
One of the challenges of paleontology is that we are trying to infer and entire animal just from the hard parts that fossilize, mostly bones and teeth (and sometimes just teeth). But if we look at animals today there are a lot of details we could not guess from their bones alone...
NeuroLogica Blog
England Allows Gene-Edited Crops
This has been somewhat of a quiet revolution, but a new law in England may bring it to the...
a year ago
This has been somewhat of a quiet revolution, but a new law in England may bring it to the foreground. The Precision Breeding Act will now allow gene-edited plants to be developed and marketed in England (not Northern Ireland, Wales, or Scotland). The innovation is that the law...
The Roots of...
2023 in review
2023 was another big year for me and The Roots of Progress.
It was a year when ROP as an...
11 months ago
2023 was another big year for me and The Roots of Progress.
It was a year when ROP as an organization really started to take off. Even though the org itself was formed in 2021, at first it was just a vehicle for my own intellectual work, plus a few side projects. Last year we...
Math Is Still...
Viruses Finally Reveal Their Complex Social Life
New research has uncovered a social world of viruses full of cheating, cooperation and other...
8 months ago
New research has uncovered a social world of viruses full of cheating, cooperation and other intrigues, suggesting that viruses make sense only as members of a community.
The post Viruses Finally Reveal Their Complex Social Life first appeared on Quanta Magazine
ToughSF
Lasers, Mirrors and Star Pyramids
Lasers can hit targets at extreme ranges, at the fastest speed possible. They are ideal weapons for...
over a year ago
Lasers can hit targets at extreme ranges, at the fastest speed possible. They are ideal weapons for space warfare.
However, everyone knows that lasers bounce off mirrors... does this make lasers useless?
The post is inspired by the discussion that arose from the conclusions...
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
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)...
Blog - Practical...
How Fish Survive Hydro Turbines
[Note that this article is a transcript of the video embedded above.]
Most of the largest dams in...
9 months ago
[Note that this article is a transcript of the video embedded above.]
Most of the largest dams in the US were built before we really understood the impacts they would have on river ecosystems. Or at least they were built before we were conscientious enough to weigh those impacts...
NeuroLogica Blog
New Generation of Electric Robots
Boston Dynamics (now owned by Hyundai) has revealed its electric version of its Atlas robot. These...
8 months ago
Boston Dynamics (now owned by Hyundai) has revealed its electric version of its Atlas robot. These robot videos always look impressive, but at the very least we know that we are seeing the best take. We don’t know how many times the robot failed to get the one great video. There...
Cremieux Recueil
Workers For Robots
Want to give blue collar workers the sorts of jobs they can raise a family on and revive American...
a month ago
Want to give blue collar workers the sorts of jobs they can raise a family on and revive American manufacturing? Then you should support automation
Beautiful Public...
The Army and Navy Style Guides
These fascinating Army and Navy brand style guides define the look, feel and voice of our armed...
a year ago
These fascinating Army and Navy brand style guides define the look, feel and voice of our armed forces.
Wanderingspace
Neptune from the James Webb Space Telescope
Webb’s latest image is the clearest look at Neptune's rings in 30+ years, and our first time seeing...
over a year ago
Webb’s latest image is the clearest look at Neptune's rings in 30+ years, and our first time seeing them in infrared light. Take in Webb's ghostly, ethereal views of the planet and its dust bands, rings and moons: https://go.nasa.gov/3RXxoGq #IAC2022
The Works in...
Notes on Progress: A tale of two particles
Not all radioactivity is risky or harmful
over a year ago
Not all radioactivity is risky or harmful
Blog - Practical...
Is the World Really Running Out of Sand?
[Note that this article is a transcript of the video embedded above.]
If you have to know the answer...
2 months ago
[Note that this article is a transcript of the video embedded above.]
If you have to know the answer right away, it’s no; or at least, my goal with this video is to convince you that the world is not running out of sand. But if it were that simple, I wouldn’t be here (right?) and...
Out-of-Pocket Blog
Things I’m watching in healthcare 2023 | Out-Of-Pocket
it's been a weird year
9 months ago
Math Is Still...
Grad Students Find Inevitable Patterns in Big Sets of Numbers
A new proof marks the first progress in decades on a problem about how order emerges from disorder. ...
4 months ago
A new proof marks the first progress in decades on a problem about how order emerges from disorder.
The post Grad Students Find Inevitable Patterns in Big Sets of Numbers first appeared on Quanta Magazine
Andrew Fraknoi –...
Enjoy the Coming Leap Day: Some Thoughts about the Calendar
This year February will have an extra day -- we discuss why?
The post Enjoy the Coming Leap Day: ...
10 months ago
This year February will have an extra day -- we discuss why?
The post Enjoy the Coming Leap Day: Some Thoughts about the Calendar appeared first on Andrew Fraknoi - Astronomy Lectures - Astronomy Education Resources.
Math Is Still...
What Is the Nature of Time?
Time is all around us: in the language we use, in the memories we revisit and in our predictions of...
9 months ago
Time is all around us: in the language we use, in the memories we revisit and in our predictions of the future. But what exactly is it? The physicist and Nobel laureate Frank Wilczek joins Steve Strogatz to discuss the fundamental hallmarks of time.
The post What Is...
Marine Madness
Book Club: ‘How To Read Water: Clues and Patterns from Puddles to the Sea’
In this absolute must-have for all walkers, sailors, swimmers, divers, photographers, and nature...
over a year ago
In this absolute must-have for all walkers, sailors, swimmers, divers, photographers, and nature lovers, Natural Navigator Tristan Gooley shares his knowledge and skills to help you navigate and interpret the water around you. Combining elements of natural navigation history,...
symmetry magazine
Celebrating Dark Matter Day in Latin America
Scientists, artists, communicators and physics fans find creative ways to mark the unofficial...
a year ago
Scientists, artists, communicators and physics fans find creative ways to mark the unofficial holiday devoted to dark matter.
Asterisk
Is Cultivated Meat For Real?
Cultivated meat faces a wall of scientific skepticism, but investors haven’t been deterred. A decade...
a year ago
Cultivated meat faces a wall of scientific skepticism, but investors haven’t been deterred. A decade in, how close are we to seeing it on our plates?
Asterisk
They May as Well Grow on Trees
The Future of Genetically Engineered Livestock
over a year ago
The Future of Genetically Engineered Livestock
Probably...
Probably Overthinking It Notebooks
To celebrate one month since the launch of Probably Overthinking It, I’m releasing the Jupyter...
11 months ago
To celebrate one month since the launch of Probably Overthinking It, I’m releasing the Jupyter notebooks I used to create the book. There’s one per chapter, and they contain all of the code I used to do the analysis and generate the figures. So if you are curious about the...
NeuroLogica Blog
Frozen Embryos Are Not People
Amid much controversy, the Alabama State Supreme Court ruled that frozen embryos are children. They...
9 months ago
Amid much controversy, the Alabama State Supreme Court ruled that frozen embryos are children. They did not support their decision with compelling logic, with cited precedence (their decision is literally unprecedented), with practical considerations, or with sound ethical...
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
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
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
And how having a baby can make you believe in the future
Tikalon Blog by Dev...
A.I., Wine, and Beer
There have been many studies using scientific instrumentation, mostly gas chromatography, in...
6 months ago
There have been many studies using scientific instrumentation, mostly gas chromatography, in attempts to find what distinguishes a superb wine from an inexpensive house wine. A typical wine can contain more than 800 different aroma compounds. One study examined two Australian...
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