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NeuroLogica Blog
Liquid Organic Hydrogen Carriers as Fuel The press release for a recent study declares: “New catalyst could provide liquid hydrogen fuel of...
a year ago
8
a year ago
The press release for a recent study declares: “New catalyst could provide liquid hydrogen fuel of the future.” But don’t get excited – the optimism is more than a bit gratuitous. I have written about hydrogen fuel before, and the reasons I am not optimistic about hydrogen as a...
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
25
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...
Math Is Still...
Geometers Engineer New Tools to Wrangle Spacecraft Orbits Mathematicians think abstract tools from a field called symplectic geometry might help with planning...
8 months ago
35
8 months ago
Mathematicians think abstract tools from a field called symplectic geometry might help with planning missions to far-off moons and planets. The post Geometers Engineer New Tools to Wrangle Spacecraft Orbits first appeared on Quanta Magazine
Inverted Passion
What bootstraps intelligence? A musing on how intelligence comes to be. The bedrock of intelligence is abstractions – the thing we...
3 months ago
47
3 months ago
A musing on how intelligence comes to be. The bedrock of intelligence is abstractions – the thing we do when we throw away a lot of information and just emphasise on a subset of it (e.g. calling that thing an apple instead of describing all its atoms and their x, y, z positions)....
Drew Ex Machina
USAF Project Able-1: The First Attempt to Reach the Moon In the years leading up to the beginning of the Space Age, there were many studies made in the West...
over a year ago
21
over a year ago
In the years leading up to the beginning of the Space Age, there were many studies made in the West about lunar missions which gripped the […]
Sean Carroll
What I Look for in Podcast Guests People often suggest guests to appear on Mindscape — which I very much appreciate! Several of my...
over a year ago
36
over a year ago
People often suggest guests to appear on Mindscape — which I very much appreciate! Several of my best conversations were with people I had never heard of before they were effectively suggested by someone. Suggestions could be made here (in comments below), or on the subreddit, or...
Blog - Practical...
The Hidden Engineering of Landfills [Note that this article is a transcript of the video embedded above.] This is the Puente Hills...
3 months ago
42
3 months ago
[Note that this article is a transcript of the video embedded above.] This is the Puente Hills Landfill outside of Los Angeles, California. The first truckload of trash was dumped here in 1957, and the trucks just kept coming. For more than five decades, if you threw something...
Wanderingspace
COMET 67P/CG ANIMATED FROM ROSETTA STILLS COMET #67P/CHURYUMOV-GERASIMENKO INTERNATIONAL #ROSETTA MISSION Date 18 jul 2015 Distance to...
over a year ago
19
over a year ago
COMET #67P/CHURYUMOV-GERASIMENKO INTERNATIONAL #ROSETTA MISSION Date 18 jul 2015 Distance to Target 182 km Orange+Blue filtershttps://t.co/ZuYVehJOLx ESA/Rosetta/MPS/UPD/LAM/IAA/SSO/INTA/UPM/DASP/IDA/J. Roger pic.twitter.com/Fg8rNmjbNy — landru79 (@landru79) June 13, 2022 Hit...
Blog - Practical...
How Bridge Engineers Design Against Ship Collisions [Note that this article is a transcript of the video embedded above.] On March 26, 2024 (just a few...
7 months ago
65
7 months ago
[Note that this article is a transcript of the video embedded above.] On March 26, 2024 (just a few weeks ago, if you're watching this as it comes out), a large container ship struck one of the main support piers of the Francis Scott Key Bridge in Baltimore, Maryland, collapsing...
The Roots of...
What is progress? In one sense, the concept of progress is simple, straightforward, and uncontroversial. In another...
9 months ago
66
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...
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
11
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...
Asterisk
Mysticism & Empiricism The best way to predict if you’ll benefit from psychedelic therapy is a questionnaire asking if...
a year ago
2
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?
NeuroLogica Blog
UK Building More Nuclear The nuclear debate seems never-ending, which I guess is to be expected. Every large technology has...
a year ago
31
a year ago
The nuclear debate seems never-ending, which I guess is to be expected. Every large technology has tradeoffs. But the need to transition our energy infrastructure to carbon neutral has shifted the equation, and it is now arguable that we cannot afford to ignore the option of...
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
9
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....
NeuroLogica Blog
Oxygen As A Technosignature This is one of the biggest thought experiments in science today – as we look for life elsewhere in...
11 months ago
14
11 months ago
This is one of the biggest thought experiments in science today – as we look for life elsewhere in the universe, what should we be looking for, exactly? Other stellar systems are too far away to examine directly, and even our most powerful telescopes can only resolve points of...
Math Is Still...
Math Proof Draws New Boundaries Around Black Hole Formation For a half century, mathematicians have tried to define the exact circumstances under which a black...
a year ago
5
a year ago
For a half century, mathematicians have tried to define the exact circumstances under which a black hole is destined to exist. A new proof shows how a cube can help answer the question. The post Math Proof Draws New Boundaries Around Black Hole Formation first...
pcloadletter
The ChatGPT wrapper product boom is an uncanny valley hellscape Here we go again: I'm so tired of crypto web3 LLMs. I'm positive there are wonderful applications...
7 months ago
80
7 months ago
Here we go again: I'm so tired of crypto web3 LLMs. I'm positive there are wonderful applications for LLMs. The ChatGPT web UI seems great for summarizing information from various online sources (as long as you're willing to verify the things that you learn). But a lot fo the "AI...
Probably...
Standard deviation of a count This post is part of a new project with the working title Data Q&A: Answering the real questions...
8 months ago
51
8 months ago
This post is part of a new project with the working title Data Q&A: Answering the real questions with Python. In each installment, I’ll take a question from Reddit’s statistics forum and answer it, using Python code to demonstrate. My answer is in a Jupyter notebook — see the...
IEEE Spectrum
Smalltalk Blew Steve Jobs’s Mind Late in 1979, Steve Jobs and other colleagues from Apple visited the Xerox Palo Alto Research Center...
a year ago
6
a year ago
Late in 1979, Steve Jobs and other colleagues from Apple visited the Xerox Palo Alto Research Center (PARC). There they were introduced to the experimental Alto computer and the Smalltalk language and computing environment, developed by Alan Kay’s Learning Research Group....
NeuroLogica Blog
Panspermia Again Recently I was asked what I thought about this video, which suggests it is possible that life formed...
a year ago
10
a year ago
Recently I was asked what I thought about this video, which suggests it is possible that life formed in the early universe, shortly after the Big Bang. Although no mentioned specifically in the video, the ideas presents are essentially panspermia – the idea that life formed in...
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
42
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
Asterisk
Animal Welfare in the Anthropocene Wild animals outnumber farmed animals by orders of magnitude. Are we obligated to help them? And...
a year ago
2
a year ago
Wild animals outnumber farmed animals by orders of magnitude. Are we obligated to help them? And even if we wanted to, do we know how?
Quantum Frontiers
Quantum computing vs. Grubhub pon receiving my speaking assignments for the Tucson Festival of Books, I mentally raised my...
a year ago
43
a year ago
pon receiving my speaking assignments for the Tucson Festival of Books, I mentally raised my eyebrows. I’d be participating in a panel discussion with Mike Evans, the founder of Grubhub? But I hadn’t created an app that’s a household name. I … Continue reading →
NeuroLogica Blog
Framing and Global Warming When we talk publicly about the effects of human activity on the climate should we refer to “global...
4 months ago
40
4 months ago
When we talk publicly about the effects of human activity on the climate should we refer to “global warming”, “climate change”, the “climate crisis” or to “climate justice”? Perhaps we should also be more technical and say specifically, “anthropogenic climate change”. This kind...
NeuroLogica Blog
A Circular CO2 Economy Big picture time – as I have discussed before, we have just passed 8 billion people on this planet...
a year ago
32
a year ago
Big picture time – as I have discussed before, we have just passed 8 billion people on this planet and will likely top 10 billion before populations stabilize (which is quite possible, but that’s another story).  What this means is that anything we collectively do is big. It...
symmetry magazine
Creating the next 3D maps of the universe Scientists have proposed new instruments that would use spectroscopy to decode dark matter, dark...
a year ago
27
a year ago
Scientists have proposed new instruments that would use spectroscopy to decode dark matter, dark energy and cosmic inflation. Telescope images can tell us a whole lot about celestial objects: where they are located in the sky, how bright they are, how big they...
Light from Space
The Space Lobster Not well known to observers in the Northern Hemisphere, the Lobster Nebula (NGC 6357) in Cepheus...
over a year ago
26
over a year ago
Not well known to observers in the Northern Hemisphere, the Lobster Nebula (NGC 6357) in Cepheus shows a complex pattern of Hydrogen alpha and Oxygen-III regions. It's quite far south in the sky at a declination of −34° 20′ and here in Tucson it barely
Math Is Still...
Risky Giant Steps Can Solve Optimization Problems Faster New results break with decades of conventional wisdom for the gradient descent algorithm. ...
a year ago
5
a year ago
New results break with decades of conventional wisdom for the gradient descent algorithm. The post Risky Giant Steps Can Solve Optimization Problems Faster first appeared on Quanta Magazine
Quantum Frontiers
Now published: Building Quantum Computers Building Quantum Computers: A Practical Introduction by Shayan Majidy, Christopher Wilson, and...
2 months ago
39
2 months ago
Building Quantum Computers: A Practical Introduction by Shayan Majidy, Christopher Wilson, and Raymond Laflamme has been published by Cambridge University Press and will be released in the US on September 30. The authors invited me to write a Foreword for … Continue reading →
Beautiful Public...
Mapping Volcano Eruptions With Drones Drones have become an essential tool to map, measure and observe the extremely dangerous...
a year ago
72
a year ago
Drones have become an essential tool to map, measure and observe the extremely dangerous environments surrounding volcanic eruptions.
nanoscale views
Brief items With the end of the semester approaching and various grant deadlines, it's been a very busy time. ...
a year ago
30
a year ago
With the end of the semester approaching and various grant deadlines, it's been a very busy time.  Here are some items I spotted this week (some new, some old): This article from Quanta about the "Einstein tile" is great - I particularly like the animated illustration.  This...
Math Is Still...
The Year in Computer Science Researchers got a better look at chatbots’ thoughts, amateurs learned just how complicated simple...
3 days ago
5
3 days ago
Researchers got a better look at chatbots’ thoughts, amateurs learned just how complicated simple systems can be, and codes became expert self-fixers. The post The Year in Computer Science first appeared on Quanta Magazine
Out-of-Pocket Blog
But actually good 2024 predictions | Out-Of-Pocket I know, enough predictions. But these are good!
a year ago
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
48
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...
Damn Interesting
The Unceasing Cessna Hacienda Warren “Doc” Bayley was a man of the people. When he and his wife Judy opened their Las Vegas resort...
over a year ago
4
over a year ago
Warren “Doc” Bayley was a man of the people. When he and his wife Judy opened their Las Vegas resort in 1956, Bayley had no plans to compete with the flashier, corporate casinos at the center of the Strip. Instead, the Hacienda Hotel catered to families, as well as to locals who...
Blog - Practical...
Why Some Roadways Are Made of Styrofoam [Note that this article is a transcript of the video embedded above.] If you’ve ever driven or...
a year ago
23
a year ago
[Note that this article is a transcript of the video embedded above.] If you’ve ever driven or ridden in an automobile, there’s a near 100% chance you’ve hit a bump in the road as you transition onto or off of a bridge. In fact, some studies estimate that it happens on a quarter...
Uncharted...
The Latest on Healthcare Research Cancer research, AI in healthcare, aging research, and much more
a month ago
Out-of-Pocket Blog
Exits & Outcomes Is Good | Out-Of-Pocket moar newsletters
a year ago
The Roots of...
Quote quiz: “drifting into dependence” Quote quiz: who said this? (No fair looking it up). I have modified the original quotation slightly,...
a year ago
58
a year ago
Quote quiz: who said this? (No fair looking it up). I have modified the original quotation slightly, by making a handful of word substitutions to bring it up to date: It might be argued that the human race would never be foolish enough to hand over all power to AI. But we are...
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
35
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...
NeuroLogica Blog
New Theory Unites Gravity and Quantum Mechanics One of the greatest mysteries of modern science is how to unite the two overarching theories of...
a year ago
8
a year ago
One of the greatest mysteries of modern science is how to unite the two overarching theories of physics – quantum mechanics and general relativity. If physicists could somehow unite these two theories, which currently do not play well together, then we might get to a deeper “one...
symmetry magazine
Applications of quantum mechanics at the beach How does sunscreen work on the atomic level?
a year ago
Math Is Still...
Physicists Spot Quantum Tornadoes Twirling in a ‘Supersolid’ New observations of microscopic vortices confirm the existence of a paradoxical phase of matter that...
a month ago
16
a month ago
New observations of microscopic vortices confirm the existence of a paradoxical phase of matter that may also arise inside neutron stars. The post Physicists Spot Quantum Tornadoes Twirling in a ‘Supersolid’ first appeared on Quanta Magazine
Math Is Still...
The Geometric Tool That Solved Einstein’s Relativity Problem Tensors are used all over math and science to reveal hidden geometric truths. What are they? ...
4 months ago
38
4 months ago
Tensors are used all over math and science to reveal hidden geometric truths. What are they? The post The Geometric Tool That Solved Einstein’s Relativity Problem first appeared on Quanta Magazine
nanoscale views
Recent RT superconductivity claim - summary page In the interests of saving people from lots of googling or scrolling through 170+ comments, here is...
a year ago
52
a year ago
In the interests of saving people from lots of googling or scrolling through 170+ comments, here is a bulleted summary of links relevant to the recent claim of room temperature superconductivity in a nitrogen-doped lutetium hydride compound under pressure.   Dias's contributed...
Explorations of an...
Parque Nacional Calilegua Parque Nacional Calilegua protects around 76,000 hectares of east-slope yungas forest, making it the...
a year ago
16
a year ago
Parque Nacional Calilegua protects around 76,000 hectares of east-slope yungas forest, making it the largest national park in northwestern Argentina. It would, therefore, feature prominently on our trip. Laura and I arrived in the general area during the afternoon of January 25,...
Explorations of an...
Cañadon de Profundidad and Iguazú Falls February 4, 2023 For our second day in Misiones, Laura and I ventured over to a small park only a...
a year ago
13
a year ago
February 4, 2023 For our second day in Misiones, Laura and I ventured over to a small park only a half-hour drive from our accommodations in Posadas. Our main reason for visiting Parque Provincial Cañadón de Profundidad was to search for Creamy-bellied Gnatcatcher, of which...
NeuroLogica Blog
Update on Self-Driving Cars The story has become a classic of failed futurism – driverless or self-driving cars were supposed...
a year ago
5
a year ago
The story has become a classic of failed futurism – driverless or self-driving cars were supposed start taking over the roads as early as 2020. But that didn’t happen – it turned that the last 5% of capability was about as difficult to develop as the first 95%. Around 2015 I...
IEEE Spectrum
The Cold War Arms Race Over Prosthetic Arms In 1961, Norbert Wiener, the father of cybernetics, broke his hip and wound up in Massachusetts...
a year ago
5
a year ago
In 1961, Norbert Wiener, the father of cybernetics, broke his hip and wound up in Massachusetts General Hospital. Wiener’s bad luck turned into fruitful conversations with his orthopedic surgeon, Melvin Glimcher. Those talks in turn led to a collaboration and an invention: the...
Out-of-Pocket Blog
The Obstacles To Value-Based Care | Out-Of-Pocket taking on risk is easier said than done
a year ago
Math Is Still...
The Physics of Cold Water May Have Jump-Started Complex Life When seawater gets cold, it gets viscous. This fact could explain how single-celled ocean creatures...
5 months ago
46
5 months ago
When seawater gets cold, it gets viscous. This fact could explain how single-celled ocean creatures became multicellular when the planet was frozen during “Snowball Earth,” according to experiments. The post The Physics of Cold Water May Have Jump-Started Complex Life...
Quantum Frontiers
Can Thermodynamics Resolve the Measurement Problem? At the recent Quantum Thermodynamics conference in Vienna (coming next year to the University of...
a year ago
35
a year ago
At the recent Quantum Thermodynamics conference in Vienna (coming next year to the University of Maryland!), during an expert panel Q&A session, one member of the audience asked “can quantum thermodynamics address foundational problems in quantum theory?” That stuck with …...
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
6
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...
Eukaryote Writes...
Internet Harvest (2024, 1) Free covid treatment for everyone in the US, a novel orthopox virus, a really big machine, cameras...
9 months ago
96
9 months ago
Free covid treatment for everyone in the US, a novel orthopox virus, a really big machine, cameras used for good and evil, ant heaven now, and more.
Beautiful Public...
The GOES-16 Weather Satellite Satellites used to observe weather are so ubiquitous it is easy to take them for granted. GOES-16 is...
over a year ago
43
over a year ago
Satellites used to observe weather are so ubiquitous it is easy to take them for granted. GOES-16 is worthy of your attention.
Math Is Still...
What Could Explain the Gallium Anomaly? Physicists have ruled out a mundane explanation for the strange findings of an old Soviet...
5 months ago
46
5 months ago
Physicists have ruled out a mundane explanation for the strange findings of an old Soviet experiment, leaving open the possibility that the results point to a new fundamental particle. The post What Could Explain the Gallium Anomaly? first appeared on Quanta Magazine
Asterisk
My Primal Scream of Rage: The Big Alcohol Study That Didn't Happen Five years ago, the National Institutes of Health cancelled the largest study on alcohol ever...
a year ago
2
a year ago
Five years ago, the National Institutes of Health cancelled the largest study on alcohol ever planned. Here’s why — and why you should be mad too.
Blog - Practical...
How Do Fish Ladders Work? [Note that this article is a transcript of the video embedded above.] Building a dam imparts a...
8 months ago
74
8 months ago
[Note that this article is a transcript of the video embedded above.] Building a dam imparts a stupendous change to the environment, and as with any change, there are winners and losers. The winners are usually us, people, through hydropower generation, protection from flooding,...
Beautiful Public...
Utah Highway LiDAR Scans Utah's Department of Transportation uses state-of-the-art 3-D laser scanners to capture the surfaces...
over a year ago
29
over a year ago
Utah's Department of Transportation uses state-of-the-art 3-D laser scanners to capture the surfaces and area surrounding 15,000 miles of its roads.
Out-of-Pocket Blog
Musings on CVS, two-way negotiation, and venture studios | Out-Of-Pocket + we're hosting another dinner! and courses ending!
8 months ago
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
nanoscale views
Materials families: Halide perovskites Looking back, I realized that I haven't written much about halide perovskites, which is quite an...
6 months ago
63
6 months ago
Looking back, I realized that I haven't written much about halide perovskites, which is quite an oversight given how much research impact they're having.  I'm not an expert, and there are multiple extensive review articles out there (e.g. here, here, here, here, here), so this...
Andrew Fraknoi –...
My Free Introductory Astronomy Textbook Hits a Milestone This time I am posting something a bit personal. I am the lead author of a free book that is part of...
7 months ago
25
7 months ago
This time I am posting something a bit personal. I am the lead author of a free book that is part of a nonprofit experiment to help students with the costs of college. Here is the news from our publisher: OpenStax, the open textbook publisher based at Rice University, is pleased...
nanoscale views
Very brief end of the year round-up It's hard to believe that it's already the end of 2023.  It's been a busy year for condensed matter;...
11 months ago
30
11 months ago
It's hard to believe that it's already the end of 2023.  It's been a busy year for condensed matter; it's unfortunate that two of the biggest stories (problems with high pressure superconductivity papers; the brief excitement about LK99, the not-actually-a-superconductor) were...
IEEE Spectrum
The Cheesy Charm of the Clapper “Clap on! Clap off! Clap on! Clap off! The Clapper!” This 1980s earworm of a jingle touted a gadget...
11 months ago
84
11 months ago
“Clap on! Clap off! Clap on! Clap off! The Clapper!” This 1980s earworm of a jingle touted a gadget to turn your lights, your TV, or any other electrical device on or off with the clap of your hands. If you watched any amount of American television back then, you probably saw the...
Math Is Still...
Computer Scientists Inch Closer to Major Algorithmic Goal A new paper finds a faster method for determining when two mathematical groups are the same. ...
a year ago
18
a year ago
A new paper finds a faster method for determining when two mathematical groups are the same. The post Computer Scientists Inch Closer to Major Algorithmic Goal first appeared on Quanta Magazine
Math Is Still...
New Elliptic Curve Breaks 18-Year-Old Record Two mathematicians have renewed a debate about the fundamental nature of some of math’s most...
a month ago
19
a month ago
Two mathematicians have renewed a debate about the fundamental nature of some of math’s most important equations. The post New Elliptic Curve Breaks 18-Year-Old Record first appeared on Quanta Magazine
Math Is Still...
A Tower of Conjectures That Rests Upon a Needle On its surface, the Kakeya conjecture is a simple statement about rotating needles. But it underlies...
a year ago
36
a year ago
On its surface, the Kakeya conjecture is a simple statement about rotating needles. But it underlies a wealth of mathematics. The post A Tower of Conjectures That Rests Upon a Needle first appeared on Quanta Magazine
The Works in...
Getting people to donate their organs Too few people donate their organs, dead or alive. How can we make it easier?
8 months ago
Andrew Fraknoi –...
Perseid Meteor Shower Aug 12-13, 2023 We make suggestions for how best to see the 2023 Perseid meteor shower. The post Perseid Meteor...
a year ago
6
a year ago
We make suggestions for how best to see the 2023 Perseid meteor shower. The post Perseid Meteor Shower Aug 12-13, 2023 appeared first on Andrew Fraknoi - Astronomy Lectures - Astronomy Education Resources.
The Works in...
Rust never sleeps A new section from Stewart Brand's Maintenance on Books in Progress
a year ago
Math Is Still...
How Base 3 Computing Beats Binary Long explored but infrequently embraced, base 3 computing may yet find a home in cybersecurity. ...
4 months ago
38
4 months ago
Long explored but infrequently embraced, base 3 computing may yet find a home in cybersecurity. The post How Base 3 Computing Beats Binary first appeared on Quanta Magazine
Explorations of an...
2023 Part 2: Early March through April (Brazil) March On March 4, Laura and I landed in São Paulo. It was our first time in Brazil. Even though we...
12 months ago
10
12 months ago
March On March 4, Laura and I landed in São Paulo. It was our first time in Brazil. Even though we had planned to spend much of the next two months exploring Brazil, the country is so large that we could only see a small portion of it. We restricted our route to only include...
Stephen Wolfram...
Five Most Productive Years: What Happened and What’s Next So… What Happened? Today is my birthday—for the 65th time. Five years ago, on my 60th birthday, I...
3 months ago
51
3 months ago
So… What Happened? Today is my birthday—for the 65th time. Five years ago, on my 60th birthday, I did a livestream where I talked about some of my plans. So… what happened? Well, what happened was great. And in fact I’ve just had the most productive five years of my life. Nine...
Explorations of an...
A Month In Northern Peru, Part 6: A Long, Sketchy Drive To Find Atuen Antpittas (February 8, 2024) One of the fun aspects of birding during this particular period of history is that our understanding...
8 months ago
27
8 months ago
One of the fun aspects of birding during this particular period of history is that our understanding of how birds are related to each other is changing rapidly. Back in the "old days", our collective knowledge of these topics was a bit more rudimentary. Species were grouped...
Asterisk
Lies, Damned Lies, and Manometer Readings America’s HVAC labor force is plagued by dishonesty and frequently incapable of meeting industry...
10 months ago
2
10 months ago
America’s HVAC labor force is plagued by dishonesty and frequently incapable of meeting industry standards. Interventions in indoor air quality are the next frontier in pandemic prevention — but are they up to the task?
NeuroLogica Blog
Accusation of Mental Illness as a Political Strategy I am not the first to say this but it bears repeating – it is wrong to use the accusation of a...
3 months ago
29
3 months ago
I am not the first to say this but it bears repeating – it is wrong to use the accusation of a mental illness as a political strategy. It is unfair, stigmatizing, and dismissive. Thomas Szasz (let me say straight up – I am not a Szaszian) was a psychiatrist who made it his...
Andrew Fraknoi –...
Drone Madness: Here is the Antidote For those of us who, through the years, have been through wave after wave of uncritical and...
6 days ago
16
6 days ago
For those of us who, through the years, have been through wave after wave of uncritical and sensational UFO stories in the media, the current obsession with (and jumping to unwarranted conclusions about) mysterious drones seems all too familiar.  As before, untrained observers,...
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
8
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...
Out-of-Pocket Blog
Patient Communities Should Change | Out-Of-Pocket Evolving from ads to outcomes
a year ago
Many Worlds
Webb Telescope Finds No Signs of a Thick Atmosphere Around a Second TRAPPIST-1 Planet Among the most eagerly awaited results from the early observations of the James Webb Space Telescope...
a year ago
8
a year ago
Among the most eagerly awaited results from the early observations of the James Webb Space Telescope (JWST) is whether or not the seven rocky planets of the TRAPPIST-1 system have atmospheres. The TRAPPIST-1 planets are close to us (40 light-years away), are all solid rather than...
Out-of-Pocket Blog
23andMe, a healthcare fund idea, and the NHS | Out-Of-Pocket Some random musings coming from London
2 months ago
Math Is Still...
Why Mathematical Proof Is a Social Compact Number theorist Andrew Granville on what mathematics really is — and why objectivity is never quite...
a year ago
68
a year ago
Number theorist Andrew Granville on what mathematics really is — and why objectivity is never quite within reach. The post Why Mathematical Proof Is a Social Compact first appeared on Quanta Magazine
Out-of-Pocket Blog
Weird issues in value-based care | Out-Of-Pocket Thoughts on value-based care from people actually building in it
2 months ago
symmetry magazine
The magnet detectives During a routine test, two HL-LHC magnets unexpectedly flatlined. Was it just a coincidence, or did...
a year ago
18
a year ago
During a routine test, two HL-LHC magnets unexpectedly flatlined. Was it just a coincidence, or did they have a common foe?
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
23
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...
The Roots of...
The American Information Revolution in Global Perspective In “What if they gave an Industrial Revolution and nobody came?” I reviewed The British Industrial...
a year ago
46
a year ago
In “What if they gave an Industrial Revolution and nobody came?” I reviewed The British Industrial Revolution in Global Perspective, by Robert Allen. In brief, Allen’s explanation for the Industrial Revolution is that Britain had high wages and cheap energy, which meant it was...
The Works in...
Escape to the country What makes a successful New Town?
4 months ago
IEEE Spectrum
From Punch Cards to Python In today’s digital world, it’s easy for just about anyone to create a mobile app or write software,...
3 months ago
43
3 months ago
In today’s digital world, it’s easy for just about anyone to create a mobile app or write software, thanks to Java, JavaScript, Python, and other programming languages. But that wasn’t always the case. Because the primary language of computers is binary code, early programmers...
IEEE Spectrum
50 Years Later, This Apollo-Era Antenna Still Talks to Voyager 2 For more than 50 years, Deep Space Station 43 has been an invaluable tool for space probes as they...
8 months ago
67
8 months ago
For more than 50 years, Deep Space Station 43 has been an invaluable tool for space probes as they explore our solar system and push into the beyond. The DSS-43 radio antenna, located at the Canberra Deep Space Communication Complex, near Canberra, Australia, keeps open the line...
Apoorva Srinivasan
an experiment in navigating the knowledge frontier beyond search Lately, I've been experimenting with interfaces for large language models (LLMs) in my free time....
a year ago
2
a year ago
Lately, I've been experimenting with interfaces for large language models (LLMs) in my free time. The fruit of this labor is something I'm calling "curie," an exploratory and sense-making tool designed to navigate complex topics. 0:00 ...
Out-of-Pocket Blog
Some crypto x healthcare ideas | Out-Of-Pocket Decentralized EMRs, Insurance DAOs, and Drug Picking Models
a year ago
IEEE Spectrum
This Engineer Became a Star in Technology Publishing Donald Christiansen, who transformed IEEE Spectrum from a promising but erratic technology magazine...
2 months ago
30
2 months ago
Donald Christiansen, who transformed IEEE Spectrum from a promising but erratic technology magazine into a repeat National Magazine Award winner, died on 2 October 2024, at the age of 97, in Huntington, N.Y. served aboard the aircraft carrier San Jacinto, an experience that led...
The Roots of...
Can submarines swim? Did any science fiction predict that when AI arrived, it would be unreliable, often illogical, and...
a year ago
31
a year ago
Did any science fiction predict that when AI arrived, it would be unreliable, often illogical, and frequently bullshitting? Usually in fiction, if the AI says something factually incorrect or illogical, that is a deep portent of something very wrong: the AI is sick, or turning...
The Works in...
The San Diego infinite housing glitch How a bonus ADU program allows 'granny towers' in gardens
2 months ago
NeuroLogica Blog
More On Electric Vehicles I recently wrote about electric vehicles, which sparked a lively discussion in the comments. There...
a year ago
16
a year ago
I recently wrote about electric vehicles, which sparked a lively discussion in the comments. There was enough discussion that I wanted to pull my responses together into a new post. Before I get to the details, some general observations. The conversation, in my opinion, nicely...
Uncharted...
The Players of the Syrian Chessboard What will Israel, Russia, Turkey, the Kurds, Europe, and Lebanon do?
a week ago
Quantum Frontiers
What is the logical gate speed of a photonic quantum computer? Terry Rudolph, PsiQuantum & Imperial College London During a recent visit to the wild western town...
a year ago
40
a year ago
Terry Rudolph, PsiQuantum & Imperial College London During a recent visit to the wild western town of Pasadena I got into a shootout at high-noon trying to explain the nuances of this question to a colleague. Here is a more … Continue reading →
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
10
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...
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
9
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...
Explorations of an...
Monsoon Season In Arizona, Part 5: Portal Back To Phoenix September 4, 2024 Our day began with coffee and breakfast on the deck, watching the bird feeders hum...
2 months ago
20
2 months ago
September 4, 2024 Our day began with coffee and breakfast on the deck, watching the bird feeders hum with activity. It was, sadly, our final morning in this region and we packed up and headed out. It would have been nice to have an extra night or two here, though you could say...
Math Is Still...
How to Build an Origami Computer Two mathematicians have shown that origami can, in principle, be used to perform any possible...
10 months ago
19
10 months ago
Two mathematicians have shown that origami can, in principle, be used to perform any possible computation. The post How to Build an Origami Computer first appeared on Quanta Magazine
Math Is Still...
Monumental Proof Settles Geometric Langlands Conjecture In work that has been 30 years in the making, mathematicians have proved a major part of a profound...
5 months ago
41
5 months ago
In work that has been 30 years in the making, mathematicians have proved a major part of a profound mathematical vision called the Langlands program. The post Monumental Proof Settles Geometric Langlands Conjecture first appeared on Quanta Magazine
nanoscale views
Strategic planning + departmental reviews It's been a while since I've written a post about the ways of academia, so I thought it might be...
a year ago
2
a year ago
It's been a while since I've written a post about the ways of academia, so I thought it might be time, though it's not exactly glamorous or exciting.  There are certain cycles in research universities, and two interrelated ones are the cycle of departmental strategic planning and...
The Works in...
Issue 16: I dream of genes Plus: how humans are outdoing nature's shiniest creations; the history of measuring price rises; and...
3 months ago
40
3 months ago
Plus: how humans are outdoing nature's shiniest creations; the history of measuring price rises; and how America's favourite type of coffee got really, really good.
Blog - Practical...
Connecting Solar to the Grid is Harder Than You Think [Note that this article is a transcript of the video embedded above.] On June 4, 2022, a small piece...
8 months ago
67
8 months ago
[Note that this article is a transcript of the video embedded above.] On June 4, 2022, a small piece of equipment (called a lightning arrestor) at a power plant in Odessa, Texas failed, causing part of the plant to trip offline. It was a fairly typical fault that happens from...
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
48
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...
Cremieux Recueil
The Worst Argument Against Ozempic Unfortunately, being skinny might require effort
3 months ago
nanoscale views
Items of interest The time since the APS meeting has been very busy, hence the lack of posting.  A few items of...
9 months ago
69
9 months ago
The time since the APS meeting has been very busy, hence the lack of posting.  A few items of interest: The present issue of Nature Physics has several articles about physics education that I really want to read.  This past week we hosted N. Peter Armitage for a really fun...
Out-of-Pocket Blog
The Amazon + One Medical Post | Out-Of-Pocket I guess I should say something?
9 months ago
Blog - Practical...
How the Hawaiian Power Grid Works [Note that this article is a transcript of the video embedded above.] In January of 2024, right on...
9 months ago
64
9 months ago
[Note that this article is a transcript of the video embedded above.] In January of 2024, right on the heels of a serious drought across the state, a major storm slammed into the Hawaiian islands of Oahu and Kauai. Severe winds caused damage to buildings, and heavy rain flooded...
Math Is Still...
Can Psychedelics Improve Mental Health? Research suggests that psychedelic drugs can reopen critical periods of brain development to create...
6 months ago
45
6 months ago
Research suggests that psychedelic drugs can reopen critical periods of brain development to create opportunities for re-learning and psychological healing. In this episode, co-host Janna Levin speaks with Gül Dölen, a neuroscientist studying the therapeutic potential of...
IEEE Spectrum
35 Years Ago, Researchers Used Brain Waves to Control a Robot Using the brain to directly control an object was long the stuff of science fiction, and in 1988 the...
a year ago
10
a year ago
Using the brain to directly control an object was long the stuff of science fiction, and in 1988 the vision became a reality. IEEE Life Senior Member Stevo Bozinovski and Members Mihail Sestakov and Dr. Liljana Bozinovska used a student volunteer’s electroencephalogram (EEG)...
NeuroLogica Blog
Making Computers More Efficient An analysis in 2021 found that 10% of the world’s electricity production is used by computers,...
a year ago
5
a year ago
An analysis in 2021 found that 10% of the world’s electricity production is used by computers, including personal use, data centers, the internet and communication centers. The same analysis projected that this was likely to increase to 20% by 2025. This may have been an...
Uncharted...
How to Beat Cancer with Viruses: An Interview with Beata Halassy How viruses kill cancers, which viruses to use, how many injections, at what stage of the cancer,...
2 months ago
Asterisk
Why Worry?
a year ago
Chris Grossack's...
$\mathsf{B}\text{Diff}(\Sigma)$ Classifies $\Sigma$-bundles I’ve been trying to learn all about topological (quantum) field theories, the cobordism hypothesis,...
yesterday
7
yesterday
I’ve been trying to learn all about topological (quantum) field theories, the cobordism hypothesis, and how to use $(\infty,n)$-categories. This is all in service of some stuff I’m doing with skein algebras (which are part of a “$3+1$ TQFT” often named after Crane–Yetter, but...
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
4
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
NeuroLogica Blog
Using AI and Social Media to Measure Climate Change Denial A recent study finds that 14.8% of Americans do not believe in global climate change. This number is...
10 months ago
29
10 months ago
A recent study finds that 14.8% of Americans do not believe in global climate change. This number is roughly in line with what recent survey have found, such as this 2024 Yale study which put the figure at 16%. In 2009, by comparison, the figure was at 33% (although this was a...
Explorations of an...
A Month In Northern Peru, Part 10: The Owlet Lodge (February 11 and 12, 2024) February 11, 2024 Laura and I were looking forward to our one-night visit to the Owlet Lodge. Up to...
5 months ago
31
5 months ago
February 11, 2024 Laura and I were looking forward to our one-night visit to the Owlet Lodge. Up to this point we had only stayed at cheap hotels, while we had also eaten simply, with at least two meals each day consisting of sandwiches/snacks that we prepared. For once, someone...
Blog - Practical...
What Is A Black Start Of The Power Grid? [Note that this article is a transcript of the video embedded above.] November 1965 saw one of the...
over a year ago
25
over a year ago
[Note that this article is a transcript of the video embedded above.] November 1965 saw one of the most widespread power outages in North American history. On the freezing cold evening of the 9th, the grid was operating at maximum capacity as people tried to stay warm when a...
NeuroLogica Blog
It’s Not Possible – Until Suddenly It Is There are a couple of recent stories that remind me that perhaps the most powerful thing in the...
a year ago
24
a year ago
There are a couple of recent stories that remind me that perhaps the most powerful thing in the world is political will. Often politicians and motivational speakers will say something along the lines of, “We can do anything, if we put our minds to it.” While this sounds like...
NeuroLogica Blog
A Lifecycle Analysis of Electric Vehicles This article is part of my informal series on EVs, sorting through the claims, reality, and...
a year ago
13
a year ago
This article is part of my informal series on EVs, sorting through the claims, reality, and propaganda. There are many complicated factors to sort through, but overall, in my opinion, most concerns about EVs are outdated or overblown. There are definitely locations and use...
Interaction Magic -...
Life beyond the screen Since early 2020, I've been teaching courses in Interaction Technologies and Prototyping. Switches,...
over a year ago
2
over a year ago
Since early 2020, I've been teaching courses in Interaction Technologies and Prototyping. Switches, light, gesture, motion, sound, haptics: this is all about exploring life beyond the screen.
Sean Carroll
Thanksgiving This year we give thanks for Arrow’s Impossibility Theorem. (We’ve previously given thanks for the...
over a year ago
22
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...
The Roots of...
Developing a technology with safety in mind If a technology may introduce catastrophic risks, how do you develop it? It occurred to me that the...
a year ago
51
a year ago
If a technology may introduce catastrophic risks, how do you develop it? It occurred to me that the Wright Brothers’ approach to inventing the airplane might make a good case study. The catastrophic risk for them, of course, was dying in a crash. This is exactly what happened...
Math Is Still...
How Is Flocking Like Computing? Birds flock. Locusts swarm. Fish school. From chaotic assemblies of life, order somehow emerges. In...
8 months ago
22
8 months ago
Birds flock. Locusts swarm. Fish school. From chaotic assemblies of life, order somehow emerges. In this episode, co-host Steven Strogatz interviews the evolutionary ecologist Iain Couzin about how and why collective behaviors arise. The post How Is Flocking Like...
Math Is Still...
Fossilized Molecules Reveal a Lost World of Ancient Life A new analysis of ancient sediments fills a gap in the fossil record — revealing a massive dynasty...
a year ago
7
a year ago
A new analysis of ancient sediments fills a gap in the fossil record — revealing a massive dynasty of ancient eukaryotes, which may have reigned for 800 million years and shaped the history of life of Earth. The post Fossilized Molecules Reveal a Lost World of Ancient...
symmetry magazine
Physics on tour A group called the Big Bang Collective sets up physics discovery stations at rather unexpected...
a year ago
51
a year ago
A group called the Big Bang Collective sets up physics discovery stations at rather unexpected venues: music festivals.
pcloadletter
Coding interviews are effective Coding interviews are controversial. It can be unpleasant to code in front of someone else, knowing...
10 months ago
21
10 months ago
Coding interviews are controversial. It can be unpleasant to code in front of someone else, knowing you're being judged. And who likes failing? Especially when it feels like you failed intellectually. But, coding interviews are effective. One big criticism of coding interviews is...
NeuroLogica Blog
Electronic Noses I am always sniffing around (pun intended) for new and interesting technology, especially anything...
2 months ago
32
2 months ago
I am always sniffing around (pun intended) for new and interesting technology, especially anything that I think is currently flying under the radar of public awareness but has the potential to transform our world in some way. I think electronic nose technology fits into this...
Sean Carroll
Thanksgiving This year we give thanks for a feature of nature that is frequently misunderstood: quanta. (We’ve...
a year ago
20
a year ago
This year we give thanks for a feature of nature that is frequently misunderstood: quanta. (We’ve previously given thanks for the Standard Model Lagrangian, Hubble’s Law, the Spin-Statistics Theorem, conservation of momentum, effective field theory, the error bar, gauge...
Out-of-Pocket Blog
Placebos Are Getting Stronger | Out-Of-Pocket Should we incorporate them into clinical practice?
a year ago
Asterisk
A Field Guide to AI Safety AI safety is starting to go mainstream, but the researchers who’ve been immersed in it for over a...
a year ago
1
a year ago
AI safety is starting to go mainstream, but the researchers who’ve been immersed in it for over a decade still have strong disagreements.
Math Is Still...
Is Perpetual Motion Possible at the Quantum Level? A new phase of matter called a “time crystal” plays with our expectations of thermodynamics. The...
a year ago
27
a year ago
A new phase of matter called a “time crystal” plays with our expectations of thermodynamics. The physicist Vedika Khemani talks with Steven Strogatz about its surprising quantum behavior. The post Is Perpetual Motion Possible at the Quantum Level? first appeared on...
NeuroLogica Blog
Diamond Batteries Again Why does news reporting of science and technology have to be so terrible at baseline? I know the...
a week ago
9
a week ago
Why does news reporting of science and technology have to be so terrible at baseline? I know the answers to this question – lack of expertise, lack of a business model to support dedicated science news infrastructure, the desire for click-bait and sensationalism – but it is still...
symmetry magazine
A collaboration pairs Fermilab with fashion students Fashion students at the College of DuPage successfully designed gear to protect Fermilab’s SPOT...
a year ago
25
a year ago
Fashion students at the College of DuPage successfully designed gear to protect Fermilab’s SPOT robot from radioactive dust. In a recent demonstration for Engineers Week in Chicago, an engineering physicist took the stage accompanied by an unusual guest: a...
NeuroLogica Blog
UFOs and SGU on John Oliver The most recent episode of John Oliver, Last Week Tonight, featured a discussion of the UFO...
8 months ago
56
8 months ago
The most recent episode of John Oliver, Last Week Tonight, featured a discussion of the UFO phenomenon. I’m always interested, and often disappointed, in how the mainstream media portrays skeptical topics. One interesting addition here is that Oliver actually referenced an SGU...
Drew Ex Machina
Apollo A-002: Testing the Limits of the Launch Escape System One of the more dangerous parts of a space mission is launch which is why almost all crewed...
2 weeks ago
16
2 weeks ago
One of the more dangerous parts of a space mission is launch which is why almost all crewed spacecraft have had launch abort options to cover […]
IEEE Spectrum
How Tech Automated the January 6 Investigations Josh Coker’s Facebook page doesn’t show any MAGA memes or Trump quotes. He wasn’t live-streaming on...
11 months ago
9
11 months ago
Josh Coker’s Facebook page doesn’t show any MAGA memes or Trump quotes. He wasn’t live-streaming on 6 January 2021, and no one has ever stepped forward to identify him as one of the mob that stormed the US Capitol that day. Oregon, Ohio, with five counts connected to the failed...
NeuroLogica Blog
Building A Robotic Hand Roboticists are often engaged in a process of reinventing the wheel – duplicating the function of...
a year ago
25
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...
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
1
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?
Drew Ex Machina
The Dream: The First Probe to the Moon The past decade or so has seen a marked increase in interest to reach the Moon for exploration as...
11 months ago
14
11 months ago
The past decade or so has seen a marked increase in interest to reach the Moon for exploration as well as the potential exploitation of its […]
ToughSF
Thermal Decomposition of CO2 with Nuclear Heat A lot of effort must and will be put into combating climate change. We can however directly attack...
over a year ago
11
over a year ago
A lot of effort must and will be put into combating climate change. We can however directly attack the root cause of it by reducing the amount of CO2 that we have released into the atmosphere. We can enlist the help of ultra-high-temperature nuclear reactors to do this rapidly...
Explorations of an...
Araucaria Forests near San Pedro February 9 - 11, 2023 The Brazilian Araucaria is a tree that seems more suited to the pages of a Dr....
a year ago
19
a year ago
February 9 - 11, 2023 The Brazilian Araucaria is a tree that seems more suited to the pages of a Dr. Seuss book than the rolling hills of the Atlantic forests of southern Brazil and northeastern Argentina. Stands of Araucaria angustifolia are peculiar looking, with massive trunks...
Asterisk
Why Isn’t the Whole World Rich? The question of why some countries join the developed world while others remain in poverty has vexed...
over a year ago
2
over a year ago
The question of why some countries join the developed world while others remain in poverty has vexed economists for decades. What makes it so hard to answer?
ToughSF
Advanced Solar Energy in Space: Part II In this post, we continue looking at high power density options for solar energy. Brayton...
over a year ago
6
over a year ago
In this post, we continue looking at high power density options for solar energy. Brayton cycle We commonly see the Brayton cycle used to convert heat into work in jet engines and the steam turbines of power plants. There are three main components: a compressor, a heat...
NeuroLogica Blog
How Humans Can Adapt to Space My recent article on settling Mars has generated a lot of discussion, some of it around the basic...
11 months ago
43
11 months ago
My recent article on settling Mars has generated a lot of discussion, some of it around the basic concept of how difficult it is for humans to live anywhere but a thin envelope of air hugging the surface of the Earth. This is undoubtedly true, as I have discussed before – we...
Math Is Still...
In a Monster Star’s Light, a Hint of Darkness Astronomers are scouring the cosmos for fingerprints of the invisible — tiny clumps of pure dark...
a year ago
7
a year ago
Astronomers are scouring the cosmos for fingerprints of the invisible — tiny clumps of pure dark matter that might solve a long-standing cosmic mystery. The post In a Monster Star’s Light, a Hint of Darkness first appeared on Quanta Magazine
Willem Pennings
Balancing cube This cube manages to balance itself on a corner, and can simultaneously rotate around its axis in a...
10 months ago
17
10 months ago
This cube manages to balance itself on a corner, and can simultaneously rotate around its axis in a controlled manner. It does so using clever controls and a set of three reaction wheels. The original idea for this device comes from researchers at ETH Zürich, who demonstrate...
NeuroLogica Blog
Anxiety Biomarkers Psychiatry, psychology, and all aspects of mental health are a challenging area because the clinical...
a year ago
30
a year ago
Psychiatry, psychology, and all aspects of mental health are a challenging area because the clinical entities we are dealing with are complex and mostly subjective. Diagnoses are perhaps best understood as clinical constructs – a way of identifying and understanding a mental...
Uncharted...
6 Questions You Asked Yourself about Solar How fast will it take over, how fast are costs shrinking, why is it so cheap, what industries will...
a month ago
4
a month ago
How fast will it take over, how fast are costs shrinking, why is it so cheap, what industries will it birth, how much surface will it take up, where will it appear first?
The Roots of...
What I’ve been reading, April 2023 A monthly feature. Note that I generally don’t include very recent writing here, such as the latest...
a year ago
21
a year ago
A monthly feature. Note that I generally don’t include very recent writing here, such as the latest blog posts (for those, see my Twitter digests); this is for my deeper research. AI First, various historical perspectives on AI, many of which were quite prescient: Alan Turing,...
NeuroLogica Blog
Will AI Make Work Redundant? Artificial Intelligence (AI) is coming for your job. This, at least, is increasingly conventional...
a year ago
22
a year ago
Artificial Intelligence (AI) is coming for your job. This, at least, is increasingly conventional wisdom, but I’m not so sure. In a recent interview, Elon Musk predicted that AI would “make paid work redundant.” I encountered the same opinion watching the latest season of...
Uncharted...
What Is the Earth’s Carrying Capacity? Most "experts" don't understand technology or economics
a month ago
Math Is Still...
How Is Cell Death Essential to Life? Cells in our bodies are constantly dying — and these countless tiny deaths are essential to human...
2 weeks ago
11
2 weeks ago
Cells in our bodies are constantly dying — and these countless tiny deaths are essential to human health and multicellular life itself. In this episode, co-host Steven Strogatz speaks with cellular biologist Shai Shaham about what makes a cell “alive” and the latest developments...
Out-of-Pocket Blog
Out-Of-Pocket 2021 Predictions | Out-Of-Pocket the future is easy to predict right
a year ago
NeuroLogica Blog
911 Conspiracy Theories Persist On September 11, 2001, as part of a planned terrorist attack, commercial planes were hijacked and...
a month ago
22
a month ago
On September 11, 2001, as part of a planned terrorist attack, commercial planes were hijacked and flown into each of the two towers at the World Trade Center in New York. A third plane was flown into the Pentagon, and a fourth crashed after the passengers fought back. This, of...
Probably...
Is the Ideology Gap Growing? This tweet from John Burn-Murdoch links to an article in the Financial Times (FT), “A new global...
10 months ago
30
10 months ago
This tweet from John Burn-Murdoch links to an article in the Financial Times (FT), “A new global gender divide is emerging”, which includes this figure: The article claims: In the US, Gallup data shows that after decades where the sexes were each spread roughly equally across...
Out-of-Pocket Blog
Physicians and Pharma Marketing | Out-Of-Pocket oh we getting that drug money
a year ago
IEEE Spectrum
The Incredible Story Behind the First Transistor Radio But that’s pretty much what Pat Haggerty, vice president of Texas Instruments, did in 1954. The...
2 months ago
38
2 months ago
But that’s pretty much what Pat Haggerty, vice president of Texas Instruments, did in 1954. The result was the Regency TR-1, the world’s first commercial transistor radio, which debuted 70 years ago this month. The engineers delivered on Haggerty’s audacious goal, and I...
Drew Ex Machina
Tropical Weather Analytics and Phantom Space Partner on Hurricane Hunter Satellite Constellation Tropical Weather Analytics, Inc. (TWA), with a revolutionary 3D measurement capability for improved...
a year ago
33
a year ago
Tropical Weather Analytics, Inc. (TWA), with a revolutionary 3D measurement capability for improved hurricane forecasting and weather intelligence, is announcing a strategic partnership with Phantom Space […]
NeuroLogica Blog
A Greener Li-Ion Battery It is increasingly obvious that battery technology is one of the keys to transitioning our...
6 months ago
63
6 months ago
It is increasingly obvious that battery technology is one of the keys to transitioning our civilization away from burning fossil fuels. Batteries facilitate the use of cheap, green, but intermittent energy sources. They also allow for the electrification of technology sectors...
Math Is Still...
Mathematicians Cross the Line to Get to the Point A new paper establishes a long-conjectured bound about the size of the overlap between sets of lines...
a year ago
4
a year ago
A new paper establishes a long-conjectured bound about the size of the overlap between sets of lines and points. The post Mathematicians Cross the Line to Get to the Point first appeared on Quanta Magazine
Sean Carroll
The Biggest Ideas in the Universe: Space, Time, and Motion Just in case there are any blog readers out there who haven’t heard from other channels: I have a...
over a year ago
21
over a year ago
Just in case there are any blog readers out there who haven’t heard from other channels: I have a new book out! The Biggest Ideas in the Universe: Space, Time, and Motion is Volume One of a planned three-volume series. It grew out of the videos that I did in 2020, trying to offer...
NeuroLogica Blog
Serial Dependence Bias As I have discussed numerous times on this blog, our brains did not evolve to be optimal precise...
a year ago
27
a year ago
As I have discussed numerous times on this blog, our brains did not evolve to be optimal precise perceivers and processors of information. Here is an infographic showing 188 documents cognitive biases. These biases are not all bad – they are tradeoffs. Evolutionary forces care...
Blog - Practical...
Was Starship’s Stage Zero a Bad Pad? [Note that this article is a transcript of the video embedded above.] On April 20, 2023, SpaceX...
a year ago
57
a year ago
[Note that this article is a transcript of the video embedded above.] On April 20, 2023, SpaceX launched it’s first orbital test flight of its Starship spacecraft from Boca Chica on the gulf coast of Texas. You probably saw this, if not live, at least in the stunning videos that...
Wanderingspace
Cassini’s Final Look at Enceladus Taken on August 28, 2017. Credit: NASA/JPL-Caltech/Space Science Institute This is from images...
over a year ago
20
over a year ago
Taken on August 28, 2017. Credit: NASA/JPL-Caltech/Space Science Institute This is from images obtained by Cassini shortly before plunging into the Saturnian atmosphere. The images were taken over 14 hours and compiled into this animation.
wadertales
WaderTales blogs in 2022 Here are brief summaries of the sixteen WaderTales blogs that were published in 2022. I have grouped...
over a year ago
23
over a year ago
Here are brief summaries of the sixteen WaderTales blogs that were published in 2022. I have grouped the blogs into sections; problems with trees, more research from Iceland, Curlews, news from the East Asian-Australasian Flyway, tracking and updates. As ever, I am grateful to...
Asterisk
Between the Lines: A History of the Most Important Concept in Global Poverty The global poverty line helps determine how billions of dollars in aid are allocated. But where did...
a year ago
2
a year ago
The global poverty line helps determine how billions of dollars in aid are allocated. But where did the idea of measuring poverty come from — and how might it be holding us back?
nanoscale views
Disorganized thoughts on "Oppenheimer" I saw "Oppenheimer" today.  Spoiler warning, I suppose, though I think we all know how this story...
a year ago
7
a year ago
I saw "Oppenheimer" today.  Spoiler warning, I suppose, though I think we all know how this story ends.  Just in case you were wondering, there is no post-credit scene to set up the sequel.  (For the humor-impaired: that was a joke.) The movie was an excellent piece of...
Many Worlds
Many Worlds Archive is Available I had the pleasure of reporting and writing the Many Worlds column — sponsored by NASA’s NExSS...
a year ago
32
a year ago
I had the pleasure of reporting and writing the Many Worlds column — sponsored by NASA’s NExSS initiative and the Lunar & Planetary Institute — for almost eight years. But the run came to an end in October. Now an archive of the more than 400 columns is easily available at...
Math Is Still...
The AI Tools Making Images Look Better Researchers have discovered ways around a fundamental trade-off between accuracy and beauty in...
a year ago
7
a year ago
Researchers have discovered ways around a fundamental trade-off between accuracy and beauty in digital images. The post The AI Tools Making Images Look Better first appeared on Quanta Magazine
Math Is Still...
New Codes Could Make Quantum Computing 10 Times More Efficient Quantum computing is still really, really hard. But the rise of a powerful class of error-correcting...
a year ago
11
a year ago
Quantum computing is still really, really hard. But the rise of a powerful class of error-correcting codes suggests that the task might be slightly more feasible than many feared. The post New Codes Could Make Quantum Computing 10 Times More Efficient first appeared...
NeuroLogica Blog
Using Plants as Biofactories When you think about it, plants are self-reproducing solar-powered biological factories. They are...
a year ago
27
a year ago
When you think about it, plants are self-reproducing solar-powered biological factories. They are powered by the sun, extract raw material from the air and soil, and make all sorts of useful molecules. Mostly we use them to make edible molecules (food), but also to make textiles,...
The Roots of...
Four lenses on AI risks All powerful new technologies create both benefits and risks: cars, planes, drugs, radiation. AI is...
a year ago
25
a year ago
All powerful new technologies create both benefits and risks: cars, planes, drugs, radiation. AI is on a trajectory to become one of the most powerful technologies we possess; in some scenarios, it becomes by far the most powerful. It therefore will create both extraordinary...
nanoscale views
Favorite science fiction invention? In the forward-looking spirit of the New Year, it might be fun to get readers’ opinions of their...
a year ago
24
a year ago
In the forward-looking spirit of the New Year, it might be fun to get readers’ opinions of their favorite science fiction inventions.  I wrote about favorite sci-fi materials back in 2015, but let’s broaden the field. Personally, I’m a fan of the farcaster (spoiler warning!) from...
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
50
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...
Math Is Still...
She Studies How Addiction Hijacks Learning in the Brain Erin Calipari works to understand how drugs like opioids and cocaine alter learning circuits and...
a year ago
10
a year ago
Erin Calipari works to understand how drugs like opioids and cocaine alter learning circuits and neurochemistry in one of the country's epicenters of substance use disorder and addiction. The post She Studies How Addiction Hijacks Learning in the Brain first appeared...
Math Is Still...
The New Quest to Control Evolution Modern scientists aren’t content with predicting how life evolves. They want to shape it. ...
a year ago
23
a year ago
Modern scientists aren’t content with predicting how life evolves. They want to shape it. The post The New Quest to Control Evolution first appeared on Quanta Magazine
NeuroLogica Blog
Cities on Fire Most major cities in the US experienced a major fire sometime between 1860 and 1920. Actually these...
5 months ago
44
5 months ago
Most major cities in the US experienced a major fire sometime between 1860 and 1920. Actually these fires, called conflagrations, have been occurring since colonial times and into the middle of the 20th century, but saw a peak in the late 19th and early 20th century. Many cities...
Math Is Still...
The Brainstem Fine-Tunes Inflammation Throughout the Body The evolutionarily ancient part of the brain that controls breathing and heart rate also regulates...
6 months ago
43
6 months ago
The evolutionarily ancient part of the brain that controls breathing and heart rate also regulates the immune system — a discovery about the brain-body axis made by experts on taste. The post The Brainstem Fine-Tunes Inflammation Throughout the Body first appeared on...
ToughSF
Nuclear Reactor Lasers: from Fission to Photon Nuclear reactor lasers are devices that can generate lasers from nuclear energy with little to no...
over a year ago
5
over a year ago
Nuclear reactor lasers are devices that can generate lasers from nuclear energy with little to no intermediate conversion steps.  We work out just how effective they can be, and how they stack up against conventional electrically-powered lasers. You might want to re-think your...
symmetry magazine
What is neutral naturalness? Indirectly testing this theory, motivated by the mysterious mass of the Higgs boson, could be within...
a year ago
26
a year ago
Indirectly testing this theory, motivated by the mysterious mass of the Higgs boson, could be within reach for experiments at the Large Hadron Collider.
Out-of-Pocket Blog
Some cool AI healthcare projects | Out-Of-Pocket What was built at the OOP hackathon?
4 months ago
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
40
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
symmetry magazine
A call to cite Black women and gender minorities Theoretical astrophysicist Chanda Prescod-Weinstein recently unveiled the Cite Black Women+ in...
a year ago
19
a year ago
Theoretical astrophysicist Chanda Prescod-Weinstein recently unveiled the Cite Black Women+ in Physics and Astronomy Bibliography.
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
26
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...
Math Is Still...
How the Ancient Art of Eclipse Prediction Became an Exact Science The timing of the total eclipse on April 8, 2024, will be known to within a second, thousands of...
8 months ago
34
8 months ago
The timing of the total eclipse on April 8, 2024, will be known to within a second, thousands of years after fearful humans first started trying to anticipate these cosmic events. The post How the Ancient Art of Eclipse Prediction Became an Exact Science first...
The Roots of...
What I’ve been reading, October 2023 A ~monthly feature. Last month was busy for me with a lot of travel and a lot of focus on The Roots...
a year ago
60
a year ago
A ~monthly feature. Last month was busy for me with a lot of travel and a lot of focus on The Roots of Progress as a nonprofit organization, so I haven’t had as much time as I prefer for research and writing. Recent blog posts and news stories are generally omitted; you can find...
Math Is Still...
Diminishing Dark Energy May Evade the ‘Swampland’ of Impossible Universes The largest-ever 3D map of the cosmos hints that the dark energy that’s fueling the universe’s...
4 months ago
43
4 months ago
The largest-ever 3D map of the cosmos hints that the dark energy that’s fueling the universe’s expansion may be weakening. One community of theoretical physicists expected as much. The post Diminishing Dark Energy May Evade the ‘Swampland’ of Impossible Universes...
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
2
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...
Probably...
Logarithms and Heteroskedasticity Here’s another installment in Data Q&A: Answering the real questions with Python. Previous...
7 months ago
59
7 months ago
Here’s another installment in Data Q&A: Answering the real questions with Python. Previous installments are available from the Data Q&A landing page. log_heterosked Logarithms and heteroskedasticity¶ Here’s a question from the Reddit statistics forum. Is it correct to use...
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
29
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
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
Explorations of an...
Borneo: Ridiculous Mothing At Trus Madi Entomology Camp When doing research on the few possible "lifer" birds that I could find on this trip to Sabah, and...
a week ago
6
a week ago
When doing research on the few possible "lifer" birds that I could find on this trip to Sabah, and in particular, looking for sites to find the Bornean Frogmouth, I read about the Trus Madi Entomology Camp. This piqued my interest, as there is almost nothing I like more than...
Math Is Still...
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
15
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
The Works in...
The concept of sustainment A new section from Stewart Brand's Maintenance on Books in Progress
a year ago
Out-of-Pocket Blog
Special Edition: A Toilet And A Neural Network | Out-Of-Pocket You didn't know you needed this. And you probably don't.
a year ago
Explorations of an...
Los Amigos Biological Station - Part 3 My final post from Peru.... September 22, 2022 Much like the previous morning, Laura and I...
a year ago
16
a year ago
My final post from Peru.... September 22, 2022 Much like the previous morning, Laura and I arranged a packed breakfast and we hit the trails around dawn. While birds were obviously on my mind, there were still a few mammals that I was really keen to search for, too. And luck...
wadertales
When mates behave differently Iceland’s 40,000 Oystercatchers are an interesting mix of resident birds and migrants, providing an...
over a year ago
21
over a year ago
Iceland’s 40,000 Oystercatchers are an interesting mix of resident birds and migrants, providing an ideal system in which to study the costs and benefits of the two options, and to try to work out what influences whether an individual becomes a ‘resident’ or a ‘migrant’. I’ve...
NeuroLogica Blog
Predicting Outcome in Severe Brain Injury One of the most difficult situations that a person can face is to have a loved-one in a critical...
7 months ago
78
7 months ago
One of the most difficult situations that a person can face is to have a loved-one in a critical medical condition and have to make life-or-death medical decisions for them. I have been in this situation many times as the consulting neurologist, and I have seen how weighty this...
ToughSF
Starship Lite: from rapid Interplanetary to Interstellar Elon Musk stated that a stripped-down SpaceX Starship could become an interplanetary boost vehicle...
over a year ago
8
over a year ago
Elon Musk stated that a stripped-down SpaceX Starship could become an interplanetary boost vehicle able to push probes towards the farthest objects in our Solar System.  What other missions could the Starship ‘Lite’ do, and how quickly? Near SSTO Rockets performance scales...
Blog - Practical...
How Would a Nuclear EMP Affect the Power Grid? [Note that this article is a transcript of the video embedded above.] Late in the morning of April...
over a year ago
26
over a year ago
[Note that this article is a transcript of the video embedded above.] Late in the morning of April 28, 1958, the USS Boxer aircraft carrier ship was about 70 miles off the coast of the Bikini Atoll in the Pacific Ocean. The crew of the Boxer was preparing to launch a...
NeuroLogica Blog
Odysseus Lands on the Moon December 11, 1972, Apollo 17 soft landed on the lunar surface, carrying astronauts Gene Cernan and...
10 months ago
24
10 months ago
December 11, 1972, Apollo 17 soft landed on the lunar surface, carrying astronauts Gene Cernan and Harrison Schmitt. This was the last time anything American soft landed on the moon, over 50 years ago. It seems amazing that it’s been that long. On February 22, 2024, the Odysseus...
brr
Showering at the South Pole Potable water, and not much of it.
a year ago
Asterisk
When RAND Made Magic in Santa Monica RAND’s halcyon days lasted two decades, during which the corporation produced some of the most...
6 months ago
2
6 months ago
RAND’s halcyon days lasted two decades, during which the corporation produced some of the most influential developments in science and American foreign policy. So how did it become just another think tank?
Out-of-Pocket Blog
Structuring the Unstructured and ScienceIO | Out-Of-Pocket how to train your model, the animated movie
a year ago
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
31
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...
Probably...
Political Alignment, Affiliation, and Attitudes Is there a growing gender gap in the U.S? Alignment A recent article in the Financial Times suggests...
10 months ago
36
10 months ago
Is there a growing gender gap in the U.S? Alignment A recent article in the Financial Times suggests that among young people there is a growing gender gap in political alignment on a spectrum from liberal to conservative. In last week’s post, I tried to replicate this result...
Math Is Still...
What Are Sheaves? These metaphorical gardens have become central objects in modern mathematics. The post...
5 months ago
Damn Interesting
From Where the Sun Now Stands An American Indian man on horseback stood outlined against a steely sky past midday on 05 October...
a year ago
5
a year ago
An American Indian man on horseback stood outlined against a steely sky past midday on 05 October 1877. Winter was already settling into the prairies of what would soon become the state of Montana. Five white men stood in the swaying grass on the other side of the field,...
IEEE Spectrum
The Do-or-Die Moments That Determined the Fate of the Internet CES) and the Game Developers Conference have become regular features of the digital world. ARPANET...
a year ago
4
a year ago
CES) and the Game Developers Conference have become regular features of the digital world. ARPANET in 1972, or the mid-1980s conferences now known as Interop, alerted experts to new technologies, and, in some cases, altered the balance between competing approaches. Packet...
Drew Ex Machina
NASA’s Viking Mission & The Search for Life on Mars: The Experiments For young space enthusiasts like myself growing up in the 1970s, NASA’s Viking mission to Mars was...
over a year ago
19
over a year ago
For young space enthusiasts like myself growing up in the 1970s, NASA’s Viking mission to Mars was one of the more exciting and memorable. The Viking […]
Out-of-Pocket Blog
2022 Healthcare Predictions | Out-Of-Pocket Nikstradamus strikes again
a year ago
symmetry magazine
Seeing the full picture with line-intensity mapping Astronomers are championing a relatively new technique as a method to understand the structure of...
a year ago
7
a year ago
Astronomers are championing a relatively new technique as a method to understand the structure of the early universe in three dimensions.
The Works in...
The road from serfdom Using opt-ins to reform Russia's backwards tsarist agricultural sector
9 months ago
Out-of-Pocket Blog
Announcing the Out-Of-Pocket Job Board! | Out-Of-Pocket Recruiting a ton? Get your healthcare jobs in front of the right people
a year ago
brr
Redeployment Part One Emerging from winter and preparing for our first flight!
11 months ago
Light from Space
Sharpless 119 Sharpless 119 (Sh2-119), sometimes referred to as “The Clamshell Nebula” is an emission nebula in...
over a year ago
16
over a year ago
Sharpless 119 (Sh2-119), sometimes referred to as “The Clamshell Nebula” is an emission nebula in Cygnus. It's rarely photographed as there's other, brighter nebulæ nearby, such as the North America Nebula. Click or tap to enlarge/double-tap to zoom Total exposure time: 23h
Explorations of an...
Uruguay Part 2: The Saffron-cowled Blackbird Search February 26, 2023 Laura and I left the hacienda behind and and headed southeast towards the coast....
a year ago
23
a year ago
February 26, 2023 Laura and I left the hacienda behind and and headed southeast towards the coast. Our route was a meandering one and we took our time on the potholed roads. The countryside was birdy and we didn't mind the relaxed pace.  We had booked an AirBnB property in the...
Math Is Still...
Pierre de Fermat’s Link to a High School Student’s Prime Math Proof How Fermat’s less famous ‘little theorem’ got mathematicians young and old to play with prime-like...
a year ago
18
a year ago
How Fermat’s less famous ‘little theorem’ got mathematicians young and old to play with prime-like Carmichael numbers. The post Pierre de Fermat’s Link to a High School Student’s Prime Math Proof first appeared on Quanta Magazine
NeuroLogica Blog
Trust in Science How much does the public trust in science and scientists? Well, there’s some good news and some bad...
a year ago
6
a year ago
How much does the public trust in science and scientists? Well, there’s some good news and some bad news. Let’s start with the bad news – a recent Pew survey finds that trust in scientist has been in decline for the last few years. From its recent peak in 2019, those who answered...
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
22
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...
Math Is Still...
How to Build a Big Prime Number A new algorithm brings together the advantages of randomness and deterministic processes to reliably...
a year ago
16
a year ago
A new algorithm brings together the advantages of randomness and deterministic processes to reliably construct large prime numbers. The post How to Build a Big Prime Number first appeared on Quanta Magazine
NeuroLogica Blog
3D Printed Rocket Launches This is one of those technology news stories where the implications of the technology is greater...
a year ago
28
a year ago
This is one of those technology news stories where the implications of the technology is greater than the thing itself. Relativity Space, a rocket company based in California, launched their first Terran-1 rocket. The launch ultimately failed when the second stage failed to...
Out-of-Pocket Blog
How should physicians get paid? | Out-Of-Pocket Should money and care be separate?
a year ago
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
42
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...
symmetry magazine
Tending to a giant In a race against the clock, CERN engineers and technicians pulled together to find and fix a leak...
a year ago
14
a year ago
In a race against the clock, CERN engineers and technicians pulled together to find and fix a leak inside the Large Hadron Collider.
nanoscale views
APS March Meeting 2024, Day 1 There is no question that the meeting venue in Minneapolis is superior in multiple ways to last...
9 months ago
29
9 months ago
There is no question that the meeting venue in Minneapolis is superior in multiple ways to last year's meeting in Las Vegas.  The convention center doesn't feel scarily confining, and it also doesn't smell like a combination of cigarettes and desperation. Here are a few...
IEEE Spectrum
A Brief History of the Office Cubicle Robert Propst, a designer at the Herman Miller furniture company. Four years earlier, he had...
a year ago
51
a year ago
Robert Propst, a designer at the Herman Miller furniture company. Four years earlier, he had proposed a radical alternative to the office bullpen: the Action Office. He envisioned it as a holistic and integrated system designed to increase worker efficiency while providing an...
Out-of-Pocket Blog
Musings on CVS, two-way negotiation, and dynamic pricing | Out-Of-Pocket + we're hosting another dinner! and courses ending!
8 months ago
NeuroLogica Blog
A Climate Debate Regarding Health Effects – Part I This is the first entry in an exchange between me and Scott Hastings, who requested the exchange....
a year ago
33
a year ago
This is the first entry in an exchange between me and Scott Hastings, who requested the exchange. This is his opening arguments. My response will be tomorrow’s post.   Part I: Hi Steven, first of all, I am tremendously grateful to you for taking time to engage with me on this...
Math Is Still...
With Fifth Busy Beaver, Researchers Approach Computation’s Limits After decades of uncertainty, a motley team of programmers has proved precisely how complicated...
5 months ago
54
5 months ago
After decades of uncertainty, a motley team of programmers has proved precisely how complicated simple computer programs can get. The post With Fifth Busy Beaver, Researchers Approach Computation’s Limits first appeared on Quanta Magazine
Asterisk
They May as Well Grow on Trees The Future of Genetically Engineered Livestock
over a year ago
Probably...
Superbolts Probably Overthinking It is available to predorder now. You can get a 30% discount if you order from...
a year ago
6
a year ago
Probably Overthinking It is available to predorder now. You can get a 30% discount if you order from the publisher and use the code UCPNEW. You can also order from Amazon or, if you want to support independent bookstores, from Bookshop.org. Recently I read a Scientific American...
Math Is Still...
To Defend the Genome, These Cells Destroy Their Own DNA Under a microscope, cells in a worm embryo deliberately eliminated one-third of their genome — an...
a year ago
29
a year ago
Under a microscope, cells in a worm embryo deliberately eliminated one-third of their genome — an uncompromising tactic that may combat harmful genetic parasites. The post To Defend the Genome, These Cells Destroy Their Own DNA first appeared on Quanta Magazine
Math Is Still...
‘Embryo Models’ Challenge Legal, Ethical and Biological Concepts With embryolike constructs built entirely from stem cells, researchers can revolutionize our...
a year ago
21
a year ago
With embryolike constructs built entirely from stem cells, researchers can revolutionize our understanding of development. But how close to an embryo is too close? The post ‘Embryo Models’ Challenge Legal, Ethical and Biological Concepts first appeared on Quanta...
nanoscale views
APS March Meeting 2024, Day 4 and wrap-up Because of the timing of my flight back to Houston, I really only went to one session today, in...
9 months ago
21
9 months ago
Because of the timing of my flight back to Houston, I really only went to one session today, in which my student spoke as did some collaborators.  It was a pretty interesting collection of contributed talks.   The work that's been done on spin transport in multiferroic...
Wanderingspace
JUPITER FROM JUNO An unusual perspective, captured by NASA's Juno spacecraft in 2018.
a year ago
Melting Asphalt
Social Status II: Cults and Loyalty So my previous post on social status was recently treated to a review/​critique by Scott Alexander...
over a year ago
8
over a year ago
So my previous post on social status was recently treated to a review/​critique by Scott Alexander over at Slate Star Codex. I expect most of my readers are already big fans of Scott's blog (as am I). But for those… Read more ›
Interaction Magic -...
Plastic archeology The history, science and engineering of Lego bricks, on the cusp between trash and treasure.
a year ago
wadertales
UK waders: “Into the Red” If you ask British birdwatchers to name the eleven wader species that are causing the most...
over a year ago
23
over a year ago
If you ask British birdwatchers to name the eleven wader species that are causing the most conservation concern in the UK, they would probably not include Dunlin. Curlew may well be top of their lists, even though the most recent population estimate is 58,500 breeding pairs, but...
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
32
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...
Andrew Fraknoi –...
Injecting Caution Into Media Reports of Northern Lights as far South as California Friday, May 10, there was a lot of discussion on the news, on social media, and on different web...
7 months ago
29
7 months ago
Friday, May 10, there was a lot of discussion on the news, on social media, and on different web sites about storms on the Sun that are unleashing great outbursts of radiation and particles, some of them toward Earth. The fact that we are seeing such “space weather” now certainly...
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
52
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...
Math Is Still...
The Social Benefits of Getting Our Brains in Sync Our brain waves can align when we work and play closely together. The phenomenon, known as...
8 months ago
32
8 months ago
Our brain waves can align when we work and play closely together. The phenomenon, known as interbrain synchrony, suggests that collaboration is biological. The post The Social Benefits of Getting Our Brains in Sync first appeared on Quanta Magazine
IEEE Spectrum
When IBM Built a War Room for Executives Computer History Museum’s collection has a biography of sorts—a life before CHM, a tale about how it...
a week ago
19
a week ago
Computer History Museum’s collection has a biography of sorts—a life before CHM, a tale about how it came to us, and a life within the museum. The chapters of that biography include the uses made of it, and the historical and interpretive stories it can be made to tell. This then...
Math Is Still...
When Data Is Missing, Scientists Guess. Then Guess Again. Across the social and biological sciences, statisticians use a technique that leverages randomness...
2 months ago
21
2 months ago
Across the social and biological sciences, statisticians use a technique that leverages randomness to deal with the unknown. The post When Data Is Missing, Scientists Guess. Then Guess Again. first appeared on Quanta Magazine
Marine Madness
Penguin Problems: Are human-induced food shortages driving population declines? We all love penguins. Clumsy and awkward on land, stealthy and precise underwater- these charismatic...
over a year ago
22
over a year ago
We all love penguins. Clumsy and awkward on land, stealthy and precise underwater- these charismatic creatures have captured our hearts ever since the release of March of the Penguins. Unfortunately, penguin populations across the globe (especially in South Africa and Antarctica)...
Math Is Still...
The Enduring Mystery of How Water Freezes Making ice requires more than subzero temperatures. The unpredictable process takes microscopic...
6 months ago
60
6 months ago
Making ice requires more than subzero temperatures. The unpredictable process takes microscopic scaffolding, random jiggling and often a little bit of bacteria. The post The Enduring Mystery of How Water Freezes first appeared on Quanta Magazine
Out-of-Pocket Blog
What's The Deal With Telemedicine? | Out-Of-Pocket we're in the weird in-between stage of adoption
a year ago
NeuroLogica Blog
DNA Directed Assembly of Nanomaterials Arguably the type of advance that has the greatest impact on technology is material science....
11 months ago
20
11 months ago
Arguably the type of advance that has the greatest impact on technology is material science. Technology can advance by doing more with the materials we have, but new materials can change the game entirely. It is no coincidence that we mark different technological ages by the...
Out-of-Pocket Blog
"AI sucks", Quantifying EMR burden, and Loneliness | Out-Of-Pocket 3 interesting papers I like
a year ago
Quantum Frontiers
How I didn’t become a philosopher (but wound up presenting a named philosophy lecture anyway) Many people ask why I became a theoretical physicist. The answer runs through philosophy—which I...
8 months ago
93
8 months ago
Many people ask why I became a theoretical physicist. The answer runs through philosophy—which I thought, for years, I’d left behind in college. My formal relationship with philosophy originated with Mr. Bohrer. My high school classified him as a religion … Continue reading →
Casey Handmer's blog
Solar and batteries for generic use cases A brief note on using solar and batteries as generic power sources. Over the last few years of work...
a month ago
4
a month ago
A brief note on using solar and batteries as generic power sources. Over the last few years of work at Terraform Industries, we’ve developed several useful heuristics to understand how rapid progress in solar and battery costs will change industry. This includes the bifurcation...
Cremieux Recueil
Grading the World's Shortest Manifesto It gets an F and the student has earned the death penalty
a week ago
IEEE Spectrum
The Story Behind Pixar’s RenderMan CGI Software Watching movies and TV series that use digital visual effects to create fantastical worlds lets...
9 months ago
40
9 months ago
Watching movies and TV series that use digital visual effects to create fantastical worlds lets people escape reality for a few hours. Thanks to advancements in computer-generated technology used to produce films and shows, those worlds are highly realistic. In many cases, it can...
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
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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
Should You Get a Heat Pump? Starting around 1550 and lasting through the 1600s, England had an energy crisis. They were running...
a year ago
54
a year ago
Starting around 1550 and lasting through the 1600s, England had an energy crisis. They were running out of wood, which was the main source of fuel for residential and commercial heating. England also needed a lot of wood for their massive navy – it took about 2,000 trees to build...
Explorations of an...
The End Of An Era - Reflections On Our Travels (Written on April 23, 2023) In just a few days time, Laura and I will board a jet bound for another...
a year ago
14
a year ago
(Written on April 23, 2023) In just a few days time, Laura and I will board a jet bound for another international destination. Our flight home to Toronto isn't that unique of a scenario, as we have flown on plenty of planes headed home since we began our international travels...
Math Is Still...
How the Brain Protects Itself From Blood-Borne Threats To buffer the brain against menaces in the blood, a dynamic, multi-tiered system of protection is...
a year ago
25
a year ago
To buffer the brain against menaces in the blood, a dynamic, multi-tiered system of protection is built into the brain’s blood vessels. The post How the Brain Protects Itself From Blood-Borne Threats first appeared on Quanta Magazine
Out-of-Pocket Blog
ARISE ERISA | Out-Of-Pocket Levity in the time of Coronavirus
a year ago
Math Is Still...
Secret Messages Can Hide in AI-Generated Media In steganography, an ordinary message masks the presence of a secret communication. Humans can never...
a year ago
92
a year ago
In steganography, an ordinary message masks the presence of a secret communication. Humans can never do it perfectly, but a new study shows it’s possible for machines. The post Secret Messages Can Hide in AI-Generated Media first appeared on Quanta Magazine
Asterisk
Sins of the Children The circle of life on Chelicer 14d.
5 months ago
Math Is Still...
What Happens in the Brain to Cause Depression? Drugs that target the neurotransmitter serotonin have long been prescribed to treat depression. Now...
7 months ago
26
7 months ago
Drugs that target the neurotransmitter serotonin have long been prescribed to treat depression. Now the spotlight is turning to other aspects of brain chemistry. In this episode, the neuropharmacologist John Krystal shares findings that are overturning our understanding of...
Many Worlds
The Evolving Science of Technosignatures The Search for Extraterrestrial Intelligence (SETI) began decades ago as an effort to pick up radio...
a year ago
4
a year ago
The Search for Extraterrestrial Intelligence (SETI) began decades ago as an effort to pick up radio signals from distant civilizations.  The effort was centered at the Green Bank Observatory in West Virginia and was by today’s standards quite rudimentary. A much broader search...
nanoscale views
Postdoctoral opportunities at Rice I will be sending some emails shortly, but I wanted to point out postdoctoral opportunities here at...
a year ago
7
a year ago
I will be sending some emails shortly, but I wanted to point out postdoctoral opportunities here at Rice University. The Smalley-Curl Institute is having a competition for two two-year postdoctoral fellow slots.  Click on the link for the details.  The requirements for a...
Uncharted...
100,000 Gifts What happened in 2024 and what will happen in 2025
3 days ago
NeuroLogica Blog
Being Trans Is Not A Mental Illness On the current episode of the SGU, because it is pride month, we expressed our general support for...
a year ago
53
a year ago
On the current episode of the SGU, because it is pride month, we expressed our general support for the LGBTQ community. I also opined about how important it is to respect individual liberty, the freedom to simply live your authentic life as you choose, and how ironic it is that...
Out-of-Pocket Blog
Pharmacies Inside-and-Out With John Capecelatro | Out-Of-Pocket How does a pharmacy actually work?
a year ago
Many Worlds
After Seven Years Away Exploring an Asteroid, OSIRIS-REx is Landing Soon with Precious Samples Bits of pebbles and dust from the asteriod Bennu that were collected during the long journey of the...
a year ago
5
a year ago
Bits of pebbles and dust from the asteriod Bennu that were collected during the long journey of the OSIRIS-REx spacecraft should be landing in the Utah desert later this month. The delivery will be a first for NASA — its first sample return from an asteroid and one of a very...
Drew Ex Machina
Top Ten Posts of 2022 Now that we are at the end of 2022, it is time to look back at this year’s material published on...
a year ago
29
a year ago
Now that we are at the end of 2022, it is time to look back at this year’s material published on Drew Ex Machina and see […]
Quantum Frontiers
Explorations in Quantum TiqTaqToe Several years ago, while scrolling through YouTube, I came across a video of Paul Rudd playing...
a year ago
10
a year ago
Several years ago, while scrolling through YouTube, I came across a video of Paul Rudd playing something called “Quantum Chess.” I had no idea what it was, nor did I know that it would become one of the most gloriously … Continue reading →
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
5
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...
Math Is Still...
How Failure Has Made Mathematics Stronger The topologist Danny Calegari discusses the inevitability of disappointment in math, and how to...
7 months ago
46
7 months ago
The topologist Danny Calegari discusses the inevitability of disappointment in math, and how to learn from it. The post How Failure Has Made Mathematics Stronger first appeared on Quanta Magazine
Damn Interesting
The Ancient Order of Bali In the 1970s, the Indonesian island of Bali went through a period of rapid change. Along the...
a year ago
7
a year ago
In the 1970s, the Indonesian island of Bali went through a period of rapid change. Along the stunning beaches on the southern side of the island, tourism boomed. Parking lots were put up, together with swinging hot spots and hotels of various colours. Hip young travellers from...
Math Is Still...
In the Quantum World, Even Points of View Are Uncertain The reference frames from which observers view quantum events can themselves have multiple possible...
a month ago
18
a month ago
The reference frames from which observers view quantum events can themselves have multiple possible locations at once — an insight with potentially major ramifications. The post In the Quantum World, Even Points of View Are Uncertain first appeared on Quanta Magazine
Drew Ex Machina
First Pictures: Color View of the Earth & A Tropical Depression from Space – October 5, 1954 While today we are inundated with color images of the Earth, our earliest views from space were...
2 months ago
33
2 months ago
While today we are inundated with color images of the Earth, our earliest views from space were confined to monochromatic or black and white images (see […]
The Works in...
Fixing retail with land value capture How to create beautiful shopping streets everywhere
6 months ago
IEEE Spectrum
Granville T. Woods: Smartest Guy in the Room Any home baker will confirm that, even if you have all the right ingredients and follow the recipe,...
a year ago
8
a year ago
Any home baker will confirm that, even if you have all the right ingredients and follow the recipe, things don’t always turn out the way you envisioned. Such was the life of inventor extraordinaire Granville T. Woods. Who was Granville T. Woods? Woods was endowed with...
Out-of-Pocket Blog
Secret Research Techniques | Out-Of-Pocket A magician always reveals his tricks for the purposes of engagement
a year ago
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
5
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...
Interaction Magic -...
Units: the forgotten half of the statistic From the millihelen to the microcentury, via jerk, pirate-ninjas and the Mongolian vowel separator.
over a year ago
Asterisk
The Fault in Our Forecasts It’s impossible to predict when an earthquake will strike. This puts seismologists in a nearly...
6 months ago
2
6 months ago
It’s impossible to predict when an earthquake will strike. This puts seismologists in a nearly impossible bind: how can they convince the public to take earthquakes seriously without crying wolf?
NeuroLogica Blog
Latest Gallup Creationism Poll Surveys are always tricky because how you ask a question can have a dramatic impact on how people...
5 months ago
42
5 months ago
Surveys are always tricky because how you ask a question can have a dramatic impact on how people answer. But it is useful to ask the exact same question over a long period of time, because that can indicate how public attitudes are changing. This is one of the benefits of...
Damn Interesting
Capital, Punished Located 350 km (217 miles) southeast of Puerto Rico, the British island of Montserrat is sometimes...
over a year ago
7
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...
Asterisk
All Aboard the Bureaucracy Train The United States has the most expensive transportation infrastructure in the world. That’s because...
10 months ago
2
10 months ago
The United States has the most expensive transportation infrastructure in the world. That’s because we refuse to learn from experts, other countries, and our own history.
Eukaryote Writes...
Eukaryote in Asterisk Magazine + New Patreon Per-post setup Eukaryote elsewhere I have an article in the latest issue of Asterisk Magazine. After you get really...
a year ago
55
a year ago
Eukaryote elsewhere I have an article in the latest issue of Asterisk Magazine. After you get really deep into the weeds of invertebrate sentience and fish welfare and the scale of factory farming, what do you do with that information vis-a-vis what you feel comfortable eating?...
The Roots of...
Highlights from The Industrial Revolution, by T. S. Ashton The Industrial Revolution, 1760-1830, by Thomas S. Ashton, is classic in the field, published in...
a year ago
24
a year ago
The Industrial Revolution, 1760-1830, by Thomas S. Ashton, is classic in the field, published in 1948. Here are some of my highlights from it. (Emphasis in bold added by me.) The role of chance What was the role of chance in the inventions of the Industrial Revolution? It is true...
Cremieux Recueil
Just Pay Them Off The International Longshoremen's Association is protecting people whose jobs are no longer...
2 months ago
4
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.
Quantum Frontiers
My experimental adventures in quantum thermodynamics Imagine a billiard ball bouncing around on a pool table. High-school level physics enables us to...
9 months ago
70
9 months ago
Imagine a billiard ball bouncing around on a pool table. High-school level physics enables us to predict its motion until the end of time using simple equations for energy and momentum conservation, as long as you know the initial conditions … Continue reading →
Drew Ex Machina
The Largest Launch Vehicles in Service – 1957 to the Present With the successful launch of NASA’s Artemis I test flight, we now have a new holder of the title...
over a year ago
20
over a year ago
With the successful launch of NASA’s Artemis I test flight, we now have a new holder of the title “the largest launch vehicle in service”: the […]
The Works in...
From MANUALS to YOUTUBE A new section from Stewart Brand's Maintenance on Books in Progress
a year ago
Quantum Frontiers
A (quantum) complex legacy Early in the fourth year of my PhD, I received a most John-ish email from John Preskill, my PhD...
a year ago
25
a year ago
Early in the fourth year of my PhD, I received a most John-ish email from John Preskill, my PhD advisor. The title read, “thermodynamics of complexity,” and the message was concise the way that the Amazon River is damp: “Might … Continue reading →
Math Is Still...
What Is Entropy? A Measure of Just How Little We Really Know. Exactly 200 years ago, a French engineer introduced an idea that would quantify the universe’s...
a week ago
14
a week ago
Exactly 200 years ago, a French engineer introduced an idea that would quantify the universe’s inexorable slide into decay. But entropy, as it’s currently understood, is less a fact about the world than a reflection of our growing ignorance. Embracing that truth is leading to a...
Math Is Still...
Alan Turing and the Power of Negative Thinking Mathematical proofs based on a technique called diagonalization can be relentlessly contrarian, but...
a year ago
105
a year ago
Mathematical proofs based on a technique called diagonalization can be relentlessly contrarian, but they help reveal the limits of algorithms. The post Alan Turing and the Power of Negative Thinking first appeared on Quanta Magazine
Math Is Still...
Number of Distances Separating Points Has a New Bound Mathematicians have struggled to prove Falconer’s Conjecture, a simple, but far-reaching, hypothesis...
8 months ago
66
8 months ago
Mathematicians have struggled to prove Falconer’s Conjecture, a simple, but far-reaching, hypothesis about the distances between points. They’re finally getting close. The post Number of Distances Separating Points Has a New Bound first appeared on Quanta Magazine
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
8
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 ›
Explorations of an...
Los Amigos Biological Station: Part 2 September 21, 2022 Laura and I had arranged with the cook to have a packed breakfast this morning....
a year ago
17
a year ago
September 21, 2022 Laura and I had arranged with the cook to have a packed breakfast this morning. This turned out to be a great idea. The day was another scorcher, reaching a high of 36 degrees Celsius, and we appreciated having the freedom to explore the trails early in the...