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IEEE Spectrum
The Rise of Groupware A version of this post originally appeared on Tedium, Ernie Smith’s newsletter, which hunts for the...
11 months ago
69
11 months ago
A version of this post originally appeared on Tedium, Ernie Smith’s newsletter, which hunts for the end of the long tail. These days, computer users take collaboration software for granted. Google Docs, Microsoft Teams, Slack, Salesforce, and so on, are such a big part of many...
NeuroLogica Blog
The Role of Plausibility in Science I have been writing blog posts and engaging in science communication long enough that I have a...
over a year ago
76
over a year ago
I have been writing blog posts and engaging in science communication long enough that I have a pretty good sense how much engagement I am going to get from a particular topic. Some topics are simply more divisive than others (although there is an unpredictable element from social...
Quanta Magazine
How a Biofilm’s Strange Shape Emerges From Cellular Geometry Micro decisions can have macro consequences. A soft matter physicist reveals how interactions within...
2 months ago
25
2 months ago
Micro decisions can have macro consequences. A soft matter physicist reveals how interactions within simple cellular collectives can lead to emergent physical traits. The post How a Biofilm’s Strange Shape Emerges From Cellular Geometry first appeared on Quanta...
NeuroLogica Blog
The Threat of Technology In my second book (shameless plug alert) – The Skeptics’ Guide to the Future – my coauthors and I...
a year ago
19
a year ago
In my second book (shameless plug alert) – The Skeptics’ Guide to the Future – my coauthors and I try to imagine both the utopian and dystopian versions of the future, brought about by technology, either individually or collectively. This topic has come up multiple times recently...
NeuroLogica Blog
The Conversation Gets it Wrong on GMOs Even high quality media outlets will get it wrong from time to time. I notice this tends to happen...
a year ago
23
a year ago
Even high quality media outlets will get it wrong from time to time. I notice this tends to happen when there is a mature and sophisticated propaganda campaign that has had enough time and reach to essentially gaslight a major portion of the public, and further where a particular...
nanoscale views
Science slow down - not a simple question I participated in a program about 15 years ago that looked at science and technology challenges...
3 days ago
3
3 days ago
I participated in a program about 15 years ago that looked at science and technology challenges faced by a subset of the US government. I came away thinking that such problems fall into three broad categories. Actual science and engineering challenges, which require...
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...
a year ago
107
a year 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...
Quanta Magazine
New Proof Shows That ‘Expander’ Graphs Synchronize The proof establishes new conditions that cause connected oscillators to sway in sync. ...
a year ago
29
a year ago
The proof establishes new conditions that cause connected oscillators to sway in sync. The post New Proof Shows That ‘Expander’ Graphs Synchronize first appeared on Quanta Magazine
Drew Ex Machina
First Pictures: Earthrise from Apollo 8 – December 24, 1968 The year 1968 was a tumultuous one in the US with many political and cultural changes punctuated by...
a year ago
62
a year ago
The year 1968 was a tumultuous one in the US with many political and cultural changes punctuated by the assassination of prominent public figures, violent protests […]
Quanta Magazine
It Might Be Possible to Detect Gravitons After All A new experimental proposal suggests detecting a particle of gravity is far easier than anyone...
8 months ago
58
8 months ago
A new experimental proposal suggests detecting a particle of gravity is far easier than anyone imagined. Now physicists are debating what it would really prove. The post It Might Be Possible to Detect Gravitons After All first appeared on Quanta Magazine
Cremieux Recueil
How To Get Cheap Ozempic Or other, more effective GLP-1 drugs
3 months ago
IEEE Spectrum
The Marimba Virtuoso’s Desktop Planetarium The United States was at the time approaching “peak space.” The previous year, cosmonaut Yuri...
a year ago
22
a year ago
The United States was at the time approaching “peak space.” The previous year, cosmonaut Yuri Gagarin had become the first human to reach outer space, and on 12 September 1962 President Kennedy would announce the United States’ intention to put a man on the moon before the...
Yale e360
Out of the Wild: How A.I. Is Transforming Conservation Science Artificial intelligence is being called a game changer for enabling scientists and conservationists...
a month ago
1
a month ago
Artificial intelligence is being called a game changer for enabling scientists and conservationists to process vast troves of data collected remotely. But some warn its use could keep biologists from getting out in the field with the animals and ecosystems they are studying. Read...
Out-of-Pocket Blog
Special Edition - WoW | Out-Of-Pocket World Of Warcraft vs. COVID-19
a year ago
The Works in...
The San Diego infinite housing glitch How a bonus ADU program allows 'granny towers' in gardens
9 months ago
nanoscale views
Talk about "The Direct Democracy of Matter" The Scientia Institute at Rice sponsors series of public lectures annually, centered around a...
2 months ago
19
2 months ago
The Scientia Institute at Rice sponsors series of public lectures annually, centered around a theme.  The intent is to get a wide variety of perspectives spanning across the humanities, social sciences, arts, sciences, and engineering, presented in an accessible way.  The youtube...
IEEE Spectrum
The Rise and Fall of 3M’s Floppy Disk A version of this post originally appeared on Tedium, Ernie Smith’s newsletter, which hunts for the...
a year ago
59
a year ago
A version of this post originally appeared on Tedium, Ernie Smith’s newsletter, which hunts for the end of the long tail. if you look on 3M’s own website, you will see no mention of this legacy—it’s a firm that sells abrasive materials, adhesive tapes, filters, films, personal...
Yale e360
Can Toxic Mining Waste Help Remove CO2 from the Atmosphere? On the coast of Newfoundland, waste from a shuttered asbestos mine has been a troubling source of...
3 months ago
1
3 months ago
On the coast of Newfoundland, waste from a shuttered asbestos mine has been a troubling source of contamination for decades. Now, a company plans to process the waste to draw CO2 from the air — one of several projects worldwide that aim to turn this liability into an asset. Read...
Drew Ex Machina
The Hurricane Hunter Satellites: A Weather Nanosatellite Constellation As part of ongoing outreach efforts by Tropical Weather Analytics (TWA) to the meteorological...
2 months ago
29
2 months ago
As part of ongoing outreach efforts by Tropical Weather Analytics (TWA) to the meteorological community, TWA’s Chief Scientist, Andrew LePage, attended the National Tropical Weather Conference […]
Quanta Magazine
Ecologists Struggle to Get a Grip on ‘Keystone Species’ More than 50 years after Bob Paine’s experiment with starfish, hundreds of species have been...
a year ago
73
a year ago
More than 50 years after Bob Paine’s experiment with starfish, hundreds of species have been pronounced “keystones” in their ecosystems. Has the powerful metaphor lost its mathematical meaning? The post Ecologists Struggle to Get a Grip on ‘Keystone Species’ first...
symmetry magazine
From inventor to entrepreneur Creating a startup to commercialize technology developed during research is a risky road for...
over a year ago
82
over a year ago
Creating a startup to commercialize technology developed during research is a risky road for physicists and engineers, but the help of experts can improve their chances.
Quanta Magazine
These Moons Are Dark and Frozen. So How Can They Have Oceans? The moons orbiting Jupiter and Saturn appear to have subsurface oceans — tantalizing targets in the...
a year ago
28
a year ago
The moons orbiting Jupiter and Saturn appear to have subsurface oceans — tantalizing targets in the search for life beyond Earth. But it’s not clear why these seas exist at all. The post These Moons Are Dark and Frozen. So How Can They Have Oceans? first appeared on...
Wanderingspace
Mars Express is Still Making Great Images 20 Years Later Mars Express was launched by the European Space Agency in 2003, and is ESA’s first Mars mission. In...
10 months ago
76
10 months ago
Mars Express was launched by the European Space Agency in 2003, and is ESA’s first Mars mission. In one shot, you can see Mars as a half-lit disk, with Phobos, its tiny moon, hovering above. Right below Phobos is Olympus Mons, the solar system's largest volcano, towering 22 km...
Yale e360
Peatland Algae to Soak Up More Carbon as Planet Warms New research finds that microalgae in northern peat bogs will absorb more carbon dioxide as the...
3 months ago
3
3 months ago
New research finds that microalgae in northern peat bogs will absorb more carbon dioxide as the planet warms, helping to take a bite out of emissions. Read more on E360 →
NeuroLogica Blog
Moon Spacesuit Prototype Unveiled Good spacesuits are deceptively difficult to design, even with today’s technology. NASA is planning...
over a year ago
86
over a year ago
Good spacesuits are deceptively difficult to design, even with today’s technology. NASA is planning to return to the moon in 2025 (if all goes well) but the spacesuit the astronauts will wear is one piece to the puzzle they have not completed yet (the other being the lunar...
Out-of-Pocket Blog
OOP's 3 year anniversary | Out-Of-Pocket some thoughts/reflections
a year ago
Yale e360
How Restored Wetlands Can Protect Europe from Russian Invasion The flooding of a Ukraine’s Irpin valley thwarted Russia’s assault on Kyiv in 2022. Now, scientists...
3 weeks ago
8
3 weeks ago
The flooding of a Ukraine’s Irpin valley thwarted Russia’s assault on Kyiv in 2022. Now, scientists are proposing Europe create a band of restored and protected wetlands along its eastern borders to deter future Russian aggression, and military strategists are taking notice. Read...
Quanta Magazine
Scientists Re-Create the Microbial Dance That Sparked Complex Life Evolution was fueled by endosymbiosis, cellular alliances in which one microbe makes a permanent...
6 months ago
62
6 months ago
Evolution was fueled by endosymbiosis, cellular alliances in which one microbe makes a permanent home inside another. For the first time, biologists made it happen in the lab. The post Scientists Re-Create the Microbial Dance That Sparked Complex Life first appeared...
NeuroLogica Blog
New Platform for Timed Drug Release This is one of those technologies that most people probably never think about, but could potentially...
over a year ago
88
over a year ago
This is one of those technologies that most people probably never think about, but could potentially have a significant impact on our lives – timed drug release. The concept is nothing new, but there is a lot of room for improvement on current technologies. We already have...
Quanta Magazine
A New Map of the Universe, Painted With Cosmic Neutrinos Physicists finally know where at least some of these high-energy particles come from, which helps...
over a year ago
42
over a year ago
Physicists finally know where at least some of these high-energy particles come from, which helps make the neutrinos useful for exploring fundamental physics. The post A New Map of the Universe, Painted With Cosmic Neutrinos first appeared on Quanta Magazine
Yale e360
To Breed Heat-Proof Cows, Nigerian Farmers Source Brazilian Bull Genes As the planet warms, Nigerian farmers are looking to breed cattle that can take the heat, importing...
4 months ago
1
4 months ago
As the planet warms, Nigerian farmers are looking to breed cattle that can take the heat, importing semen from a Brazilian breed suited to balmy tropical weather. Read more on E360 →
The Works in...
How Airbus took off Why you can build a European airliner, but not a European Google
3 months ago
NeuroLogica Blog
Hybrid Biopolymer Transistors – Implications for Brain Machine Interface There are several technologies which seem likely to be transformative in the coming decades. Genetic...
a year ago
25
a year ago
There are several technologies which seem likely to be transformative in the coming decades. Genetic bioengineering gives us the ability to control the basic machinery of life, including ourselves. Artificial intelligence is a suite of active, learning, information tools....
Yale e360
How African Communities Are Taking Lead on Protecting Wildlife A new analysis shows that African wildlife increasingly depend on lands managed by villagers and...
5 months ago
4
5 months ago
A new analysis shows that African wildlife increasingly depend on lands managed by villagers and herders. In many areas, locally-run conservancies now more effectively protect wildlife than national parks do, with communities reaping tourism revenue and other benefits. Read more...
Tikalon Blog by Dev...
Brain Size Deep thought is what distinguishes humans from other animals. The brain is the medium for thought;...
10 months ago
25
10 months ago
Deep thought is what distinguishes humans from other animals. The brain is the medium for thought; so, there's the idea that brain size is important, with larger brains allowing more profound thought. Larger brains in hominids appears to have an evolutionary advantage, but the...
Quanta Magazine
What a Contest of Consciousness Theories Really Proved A five-year “adversarial collaboration” of consciousness theorists led to a stagy showdown in front...
a year ago
29
a year ago
A five-year “adversarial collaboration” of consciousness theorists led to a stagy showdown in front of an audience. It crowned no winners — but it can still claim progress. The post What a Contest of Consciousness Theories Really Proved first appeared on Quanta...
The Works in...
Join our events in your city Sydney, Washington DC, Madrid, and more – sign up now
2 months ago
Uncharted...
Deserts, Tornadoes, Hurricanes, Snow, Paradises, Swamps: Why Do People Live Where They Live in the... Deserts, Tornadoes, Hurricanes, Snow, Paradises, Swamps
6 months ago
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...
6 months ago
75
6 months 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 […]
Yale e360
In a Warming World, Why Is the Southern Ocean Getting Cooler? Climate models predict that as the planet warms, so will the Southern Ocean. But for decades, the...
3 months ago
4
3 months ago
Climate models predict that as the planet warms, so will the Southern Ocean. But for decades, the waters around Antarctica have grown mysteriously cooler. A new study shows why. Read more on E360 →
Quanta Magazine
First Map Made of a Solid’s Secret Quantum Geometry Physicists recently mapped the hidden shape that underlies the quantum behaviors of a crystal, using...
3 weeks ago
12
3 weeks ago
Physicists recently mapped the hidden shape that underlies the quantum behaviors of a crystal, using a new method that’s expected to become ubiquitous. The post First Map Made of a Solid’s Secret Quantum Geometry first appeared on Quanta Magazine
Drew Ex Machina
Drew Ex Machina 10th Anniversary: Top Ten Posts I find it difficult to believe but, it was ten years ago today that I posted the first article on my...
a year ago
97
a year ago
I find it difficult to believe but, it was ten years ago today that I posted the first article on my then-new website, Drew Ex Machina. […]
Yale e360
A.I. Is Quietly Powering a Revolution in Weather Prediction Weather forecasts powered by artificial intelligence are usually more accurate — and require less...
2 months ago
7
2 months ago
Weather forecasts powered by artificial intelligence are usually more accurate — and require less computational energy and fewer human hours — than conventional predictions. But questions remain about A.I. systems’ reliability and their ability to forecast extreme weather...
Quanta Magazine
‘Magical’ Error Correction Scheme Proved Inherently Inefficient Locally correctable codes need barely any information to fix errors, but they’re extremely long. Now...
a year ago
51
a year ago
Locally correctable codes need barely any information to fix errors, but they’re extremely long. Now we know that the simplest versions can’t get any shorter. The post ‘Magical’ Error Correction Scheme Proved Inherently Inefficient first appeared on Quanta Magazine
Out-of-Pocket Blog
Some crypto x healthcare ideas | Out-Of-Pocket Decentralized EMRs, Insurance DAOs, and Drug Picking Models
a year ago
Quanta Magazine
The Brain Region That Controls Movement Also Guides Feelings The cerebellum is responsible for far more than coordinating movement. New techniques reveal that it...
a year ago
71
a year ago
The cerebellum is responsible for far more than coordinating movement. New techniques reveal that it is, in fact, a hub of sensory and emotional processing in the brain. The post The Brain Region That Controls Movement Also Guides Feelings first appeared on Quanta...
Quanta Magazine
Evolving Bacteria Can Evade Barriers to ‘Peak’ Fitness Paradoxically, natural selection can sometimes seem to block organisms from evolving useful...
a year ago
30
a year ago
Paradoxically, natural selection can sometimes seem to block organisms from evolving useful adaptations. But a new study of “fitness landscapes” and antibiotic resistance in bacteria shows that life still finds a way. The post Evolving Bacteria Can Evade Barriers to...
Quanta Magazine
A Plan to Address the World’s Challenges With Math Minhyong Kim is leading a new initiative called Mathematics for Humanity that encourages...
over a year ago
98
over a year ago
Minhyong Kim is leading a new initiative called Mathematics for Humanity that encourages mathematicians to apply their skills to solving social problems. The post A Plan to Address the World’s Challenges With Math first appeared on Quanta Magazine
Casey Handmer's blog
Part 8 Shikata Ga Nai Part of the Mars Trilogy Technical Commentary Series. Contains spoilers for this chapter and earlier...
6 months ago
54
6 months ago
Part of the Mars Trilogy Technical Commentary Series. Contains spoilers for this chapter and earlier chapters. Google Mars .kml. Literary commentary podcast. “Shikata Ga Nai” Japanese for “What else can we do?” “It is what it is,” “There is no other choice.” The final chapter of...
Asterisk
Sins of the Children The circle of life on Chelicer 14d.
12 months ago
Andrew Fraknoi –...
Caves on Mars Recently, in social media posts, Dr. Pascal Lee of the SETI Institute discussed the intriguing caves...
7 months ago
66
7 months ago
Recently, in social media posts, Dr. Pascal Lee of the SETI Institute discussed the intriguing caves on the side of the giant martian volcano called Arsia Mons as interesting places for future exploration and even human residences. As it happens, my very first published...
Quanta Magazine
In the Milky Way’s Stars, a History of Violence Our galaxy's stars keep a record of its past. By reading those stories, astronomers are learning...
a year ago
77
a year ago
Our galaxy's stars keep a record of its past. By reading those stories, astronomers are learning more about how the Milky Way came to be — and about the galaxy we live in today. The post In the Milky Way’s Stars, a History of Violence first appeared on Quanta Magazine
Quanta Magazine
The Year in Math Landmark results in Ramsey theory and a remarkably simple aperiodic tile capped a year of...
a year ago
70
a year ago
Landmark results in Ramsey theory and a remarkably simple aperiodic tile capped a year of mathematical delight and discovery. The post The Year in Math first appeared on Quanta Magazine
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...
over a year ago
57
over 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...
Quanta Magazine
The Electron Is So Round That It’s Ruling Out Potential New Particles If the electron’s charge wasn’t perfectly round, it could reveal the existence of hidden particles....
over a year ago
83
over a year ago
If the electron’s charge wasn’t perfectly round, it could reveal the existence of hidden particles. A new measurement approaches perfection. The post The Electron Is So Round That It’s Ruling Out Potential New Particles 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...
a year ago
43
a year 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...
Yale e360
Out of the Wild: How A.I. Is Transforming Conservation Science Artificial intelligence is being called a game changer for enabling scientists and conservationists...
a month ago
5
a month ago
Artificial intelligence is being called a game changer for enabling scientists and conservationists to process vast troves of data collected remotely. But some warn its use could keep biologists from getting out in the field with the animals and ecosystems they are studying. Read...
Casey Handmer's blog
Potentially undervalued companies I am routinely solicited for my technical opinion on new and interesting technologies and companies...
10 months ago
27
10 months ago
I am routinely solicited for my technical opinion on new and interesting technologies and companies developing them. 90% of the time, my answer is “I don’t know” but it continues to concern me that aspects of technical feasibility are evidently not legible to financial types (and...
Yale e360
To Help Growers and the Grid, Build Solar on Farmland, Research Says Two new studies suggest that devoting a small fraction of U.S. farmland to solar power would be a...
2 months ago
1
2 months ago
Two new studies suggest that devoting a small fraction of U.S. farmland to solar power would be a boon both for the energy system and for farmers themselves. Read more on E360 →
Quanta Magazine
The Computer Scientist Peering Inside AI’s Black Boxes Cynthia Rudin wants machine learning models, responsible for increasingly important decisions, to...
over a year ago
63
over a year ago
Cynthia Rudin wants machine learning models, responsible for increasingly important decisions, to show their work. The post The Computer Scientist Peering Inside AI’s Black Boxes first appeared on Quanta Magazine
The Works in...
From MANUALS to YOUTUBE A new section from Stewart Brand's Maintenance on Books in Progress
a year ago
NeuroLogica Blog
Bury Broadband and Electricity We may have a unique opportunity to make an infrastructure investment that can demonstrably save...
2 months ago
20
2 months ago
We may have a unique opportunity to make an infrastructure investment that can demonstrably save money over the long term – by burying power and broadband lines. This is always an option, of course, but since we are in the early phases of rolling out fiber optic service, and also...
Cremieux Recueil
What’s the Deal With Autism Rates? Explaining the "autism epidemic".
2 months ago
IEEE Spectrum
Quantum Technology’s Unsung Heroes In a world where quantum technologies are on the rise in computing, cryptography, materials,...
over a year ago
23
over a year ago
In a world where quantum technologies are on the rise in computing, cryptography, materials, sensors, telecom, biomed, and AI, it’s easy to forget that not so long ago the words “quantum” and “technology” rarely fit comfortably into a sentence together. A range of trailblazers...
Asterisk
Want Growth? Kill Small Businesses The central question of development economics is simple: how can poor countries become rich? The...
12 months ago
20
12 months ago
The central question of development economics is simple: how can poor countries become rich? The answer is neither small-scale, targeted interventions nor broad generalizations about growth. Instead, we should focus on firms.
symmetry magazine
Rap with an undercurrent of particle physics UK musician Consensus spins the big ideas of physics into rap and hip-hop tracks.
a year ago
Explorations of an...
Monsoon Season In Arizona, Part 1: Introduction, Phoenix to Miller Canyon Earlier this summer, Laura and I were trying to determine where we would visit for a couple of mini...
9 months ago
12
9 months ago
Earlier this summer, Laura and I were trying to determine where we would visit for a couple of mini vacations. Due to the variations in her work schedule, Laura had two blocks of time - a five-day chunk in early August, and six days in early September - and we wanted to make the...
Quanta Magazine
‘Sensational’ Proof Delivers New Insights Into Prime Numbers The proof creates stricter limits on potential exceptions to the famous Riemann hypothesis. ...
11 months ago
76
11 months ago
The proof creates stricter limits on potential exceptions to the famous Riemann hypothesis. The post ‘Sensational’ Proof Delivers New Insights Into Prime Numbers first appeared on Quanta Magazine
The Works in...
Samuel Hughes on The Great Downzoning Episode one of The Works in Progress Podcast is out now
6 days ago
symmetry magazine
Creating the next 3D maps of the universe Scientists have proposed new instruments that would use spectroscopy to decode dark matter, dark...
over a year ago
49
over 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...
SubAnima
Why do bees die when they sting you? Suicide is a truly bizarre evolutionary strategy. Why does it exist?
over a year ago
Quanta Magazine
A New Kind of Symmetry Shakes Up Physics So-called “higher symmetries” are illuminating everything from particle decays to the behavior of...
over a year ago
66
over a year ago
So-called “higher symmetries” are illuminating everything from particle decays to the behavior of complex quantum systems. The post A New Kind of Symmetry Shakes Up Physics first appeared on Quanta Magazine
Blog - Practical...
Why are Smokestacks So Tall? [Note that this article is a transcript of the video embedded above.] “The big black stacks of the...
4 weeks ago
16
4 weeks ago
[Note that this article is a transcript of the video embedded above.] “The big black stacks of the Illium Works of the Federal Apparatus Corporation spewed acid fumes and soot over the hundreds of men and women who were lined up before the red-brick employment office.” That’s the...
Yale e360
Recycling Nuclear Waste: A Win-Win or a Dangerous Gamble? As interest in nuclear power rises, startups are pursuing plans to recycle spent fuel and reuse its...
3 months ago
1
3 months ago
As interest in nuclear power rises, startups are pursuing plans to recycle spent fuel and reuse its untapped energy to power reactors. Advocates tout new recycling methods as a breakthrough, but many experts warn it will extract plutonium that could be used for nuclear...
Quantum Frontiers
Quantum automata Do you know when an engineer built the first artificial automaton—the first human-made machine that...
2 months ago
12
2 months ago
Do you know when an engineer built the first artificial automaton—the first human-made machine that operated by itself, without external control mechanisms that altered the machine’s behavior over time as the machine undertook its mission? The ancient Greek thinker Archytas …...
NeuroLogica Blog
Science News in 2023 This is not exactly a “best of” because I don’t know how that applies to science news, but here are...
a year ago
25
a year ago
This is not exactly a “best of” because I don’t know how that applies to science news, but here are what I consider to be the most impactful science news stories of 2023 (or at least the ones that caught by biased attention). This was a big year for medical breakthroughs. We are...
IEEE Spectrum
The Data Reveals Top Patent Portfolios Eight years is a long time in the world of patents. When we last published what we then called the...
a month ago
7
a month ago
Eight years is a long time in the world of patents. When we last published what we then called the Patent Power Scorecard, in 2017, it was a different technological and social landscape—Google had just filed a patent application on the transformer architecture, a momentous...
Beautiful Public...
FAA Aviation Maps Among all of the visual information published by the U.S. government, there may be no product with a...
a year ago
160
a year ago
Among all of the visual information published by the U.S. government, there may be no product with a higher information density than the Federal Aviation Administration’s aviation maps.
NeuroLogica Blog
DNA Nanorobot Kill Switch for Cancer How’s that for a provocative title? But it is technically accurate. The title of the paper in...
a year ago
73
a year ago
How’s that for a provocative title? But it is technically accurate. The title of the paper in question is: “A DNA robotic switch with regulated autonomous display of cytotoxic ligand nanopatterns.” The study is a proof of concept in an animal model, so we are still years away...
Wanderingspace
Triton Image from Voyager Colored Nice update to an old Voyager image with colors added based on actual colors captured in other...
over a year ago
36
over a year ago
Nice update to an old Voyager image with colors added based on actual colors captured in other images. See original post here by Jason Major.
Yale e360
Chimps Found Treating Each Other's Wounds Chimpanzees in Uganda were found treating the injuries of other, unrelated chimps, including those...
a month ago
4
a month ago
Chimpanzees in Uganda were found treating the injuries of other, unrelated chimps, including those caught in hunting snares.  Read more on E360 →
Quanta Magazine
Graduate Student Solves Classic Problem About the Limits of Addition A new proof illuminates the hidden patterns that emerge when addition becomes impossible. ...
a month ago
23
a month ago
A new proof illuminates the hidden patterns that emerge when addition becomes impossible. The post Graduate Student Solves Classic Problem About the Limits of Addition first appeared on Quanta Magazine
Yale e360
In Europe, Solar Power Overtakes Coal For the first time in the EU, solar supplied more power than coal did last year, a new analysis...
5 months ago
1
5 months ago
For the first time in the EU, solar supplied more power than coal did last year, a new analysis finds. Read more on E360 →
wadertales
Iceland’s waders in decline It is estimated that 1.5 million pairs of waders breed in Iceland, most of which spend the winter in...
4 months ago
38
4 months ago
It is estimated that 1.5 million pairs of waders breed in Iceland, most of which spend the winter in West Europe and West Africa. There is a lot of guesswork associated with this number and little national monitoring information to assess whether species are doing well or badly....
Quanta Magazine
How Is AI Changing the Science of Prediction? With lots of data, a strong model and statistical thinking, scientists can make predictions about...
7 months ago
54
7 months ago
With lots of data, a strong model and statistical thinking, scientists can make predictions about all sorts of complex phenomena. Today, this practice is evolving to harness the power of machine learning and massive datasets. In this episode, co-host Steven Strogatz speaks with...
Blog - Practical...
Why Construction Projects Always Go Over Budget [Note that this article is a transcript of the video embedded above.] Boston, Massachusetts is one...
over a year ago
58
over a year ago
[Note that this article is a transcript of the video embedded above.] Boston, Massachusetts is one of the oldest cities in America, founded in 1630, more than a few years before the advent of modern motor vehicles. In the 1980s, traffic in downtown Boston was nearly unbearable...
Andrew Fraknoi –...
A Comet Visible in Our Evening Sky A newly discovered comet is now faintly visible in our skies soon after sunset, if you have clear...
8 months ago
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8 months ago
A newly discovered comet is now faintly visible in our skies soon after sunset, if you have clear skies and a view low toward the west-southwest horizon. See our diagram from Sky & Telescope magazine, in which the yellow numbers show you the comet’s location in the evening sky...
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...
11 months ago
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11 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...
Out-of-Pocket Blog
How to integrate into an EMR and why Epic won with Brendan Keeler | Out-Of-Pocket everything you need to know about EMRs, healthcare data standards, and integrations
a year ago
NeuroLogica Blog
A Greener Li-Ion Battery It is increasingly obvious that battery technology is one of the keys to transitioning our...
a year ago
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a year 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...
Andrew Fraknoi –...
Eclipse of the Sun Coming in One Week Saturday Oct. 14 North America will be treated to an eclipse of the Sun. The post Eclipse of the Sun...
a year ago
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a year ago
Saturday Oct. 14 North America will be treated to an eclipse of the Sun. The post Eclipse of the Sun Coming in One Week appeared first on Andrew Fraknoi - Astronomy Lectures - Astronomy Education Resources.
Quanta Magazine
Bats Use the Same Brain Cells to Map Physical and Social Worlds New research in social bats raises the intriguing possibility that evolution can reprogram the...
a year ago
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a year ago
New research in social bats raises the intriguing possibility that evolution can reprogram the brain’s “place cells,” which are typically associated with location, to encode all kinds of environmental information. The post Bats Use the Same Brain Cells to Map Physical...
Yale e360
Deconstructing Buildings: The Quest for New Life for Old Wood A growing number of cities have launched initiatives to reuse the wood waste from construction and...
3 weeks ago
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3 weeks ago
A growing number of cities have launched initiatives to reuse the wood waste from construction and demolition that now ends up in landfills. The challenge, proponents say, is to deploy new techniques for disassembling old buildings and markets for repurposing the salvaged...
Light from Space
The Path to the Pillars of Creation Famously photographed by the Hubble Space Telescope, here's my first look at the Pillars of Creation...
over a year ago
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over a year ago
Famously photographed by the Hubble Space Telescope, here's my first look at the Pillars of Creation in the Eagle Nebula (Messier 16). Total exposure time: 16h 5m Shot from my driveway near Tucson, AZ in April & May 2022 Telescope: William Optics RedCat 51 (250mm focal length ƒ
NeuroLogica Blog
Should the US Ban TikTok? My recent article on social media has fostered good social media engagement, so I thought I would...
5 months ago
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5 months ago
My recent article on social media has fostered good social media engagement, so I thought I would follow up with a discussion of the most urgent question regarding social media – should the US ban TikTok? The Biden administration signs into law legislation that would ban the...
NeuroLogica Blog
AI – Is It Time to Panic? I’m really excited about the recent developments in artificial intelligence (AI) and their potential...
over a year ago
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over a year ago
I’m really excited about the recent developments in artificial intelligence (AI) and their potential as powerful tools. I am also concerned about unintended consequences. As with any really powerful tool, there is the potential for abuse and also disruption. But I also think that...
Quanta Magazine
How Quantum Physicists Explained Earth’s Oscillating Weather Patterns By treating Earth as a topological insulator — a state of quantum matter — physicists found a...
a year ago
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a year ago
By treating Earth as a topological insulator — a state of quantum matter — physicists found a powerful explanation for the movements of the planet’s air and seas. The post How Quantum Physicists Explained Earth’s Oscillating Weather Patterns first appeared on Quanta...
NeuroLogica Blog
AC vs DC and other Power Questions I was away last week, first at CSICON and then at a conference in Dubai. I was invited to give a 9...
8 months ago
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8 months ago
I was away last week, first at CSICON and then at a conference in Dubai. I was invited to give a 9 hour seminar on scientific skepticism for the Dubai Future Foundation. That sounds like a lot of time, but it isn’t. It was a good reminder of the vast body of knowledge that is...
The Works in...
How New Zealand invented inflation targeting The political gamble that made modern central banking
a week ago
Quanta Magazine
Undergraduate Upends a 40-Year-Old Data Science Conjecture A young computer scientist and two colleagues show that searches within data structures called hash...
4 months ago
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4 months ago
A young computer scientist and two colleagues show that searches within data structures called hash tables can be much faster than previously deemed possible. The post Undergraduate Upends a 40-Year-Old Data Science Conjecture first appeared on Quanta Magazine
Apoorva Srinivasan
what's happened since the human genome project When the human genome project was deemed “complete” in 2003, it was met with incredible fanfare. The...
over a year ago
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over a year ago
When the human genome project was deemed “complete” in 2003, it was met with incredible fanfare. The entire project leading up to that moment had all the drama to keep its audience enthralled. Fierce rivalry between a public and private institution, multiple countries involved,...
Quanta Magazine
The Jagged, Monstrous Function That Broke Calculus In the late 19th century, Karl Weierstrass invented a fractal-like function that was decried as...
5 months ago
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5 months ago
In the late 19th century, Karl Weierstrass invented a fractal-like function that was decried as nothing less than a “deplorable evil.” In time, it would transform the foundations of mathematics. The post The Jagged, Monstrous Function That Broke Calculus first...
Yale e360
Planned Indian Mega-Port Could 'Wipe Out' Isolated Tribe The Shompen, residents of a small island in the Indian Ocean, are among the world's last isolated...
2 months ago
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2 months ago
The Shompen, residents of a small island in the Indian Ocean, are among the world's last isolated tribes. But that may soon change as the Indian government moves forward with plans for a massive port that could "wipe out" the tribe, a watchdog group says. Read more on E360 →
Asterisk
Crash Testing GPT-4 Can we tell if an AI model is safe before it’s released? The group that tested GPT–4 is trying to...
over a year ago
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over a year ago
Can we tell if an AI model is safe before it’s released? The group that tested GPT–4 is trying to figure out how.
NeuroLogica Blog
The AI Conundrum What the true impact of artificial intelligence (AI) is and soon will be remains a point of...
a month ago
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a month ago
What the true impact of artificial intelligence (AI) is and soon will be remains a point of contention. Even among scientifically literate skeptics people tend to fall into decidedly different narratives. Also, when being interviewed I can almost guarantee now that I will be...
Yale e360
Saving U.S. Climate and Environmental Data Before It Goes Away Some 2,000 records went missing from government data sets after the Trump administration took office...
3 months ago
1
3 months ago
Some 2,000 records went missing from government data sets after the Trump administration took office in January. Canadian geographer Eric Nost talks about the work he and colleagues are doing to archive data related to climate and the environment while it is still...
ToughSF
Permanent and Perfect Stealth in Space Despite the commonly accepted truth in Hard Science Fiction, spacecraft are able to evade detection...
over a year ago
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over a year ago
Despite the commonly accepted truth in Hard Science Fiction, spacecraft are able to evade detection in space in many circumstances. The Hydrogen Steamer was a design that used liquid hydrogen evaporative cooling to keep a non-reflective surface practically invisible.  However,...
Quanta Magazine
Computer Scientists Establish the Best Way to Traverse a Graph Dijkstra’s algorithm was long thought to be the most efficient way to find a graph’s best routes....
8 months ago
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8 months ago
Dijkstra’s algorithm was long thought to be the most efficient way to find a graph’s best routes. Researchers have now proved that it’s “universally optimal.” The post Computer Scientists Establish the Best Way to Traverse a Graph first appeared on Quanta Magazine
NeuroLogica Blog
Plan To Build First Commercial Fusion Reactor How close are we to having fusion reactors actually sending electric power to the grid? This is a...
5 months ago
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5 months ago
How close are we to having fusion reactors actually sending electric power to the grid? This is a huge and complicated question, and one with massive implications for our civilization. I think we are still at the point where we cannot count on fusion reactors coming online...
Beautiful Public...
Wild Horses The Bureau of Land Management wants to pay you $1,000 to adopt a wild horse. But the program has...
a year ago
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a year ago
The Bureau of Land Management wants to pay you $1,000 to adopt a wild horse. But the program has been criticized by animal rights advocates and subject to scrutiny by Congress.
Asterisk
What We Get Wrong About AI & China Everyone’s afraid of what China can and will do with AI. On the ground, the picture looks a lot more...
over a year ago
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over a year ago
Everyone’s afraid of what China can and will do with AI. On the ground, the picture looks a lot more complicated.
Quanta Magazine
He’s Gleaning the Design Rules of Life to Re-Create It Yizhi “Patrick” Cai is coordinating a global effort to write a complete synthetic yeast genome. If...
8 months ago
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8 months ago
Yizhi “Patrick” Cai is coordinating a global effort to write a complete synthetic yeast genome. If he succeeds, the resulting cell will be the artificial life most closely related to humans to date. The post He’s Gleaning the Design Rules of Life to Re-Create It first...
Out-of-Pocket Blog
Answers: Should Physicians Create Lifestyle Plans? | Out-Of-Pocket some real-world stories from people dealing with this
a year ago
Yale e360
In Mexico’s ‘Avocado Belt,’ Villagers Stand Up to Protect Their Lands A boom in avocado production in Mexico has led to illegal deforestation and an influx of drug...
2 months ago
4
2 months ago
A boom in avocado production in Mexico has led to illegal deforestation and an influx of drug cartels dominating the lucrative trade. But Indigenous communities have fought back against the gangs and turned to traditional practices to grow avocados and save their forests.  Read...
symmetry magazine
Whatever happened to the theory of everything? A theory of everything was all the rage in the 1980s. So where did it go? It is...
over a year ago
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over a year ago
A theory of everything was all the rage in the 1980s. So where did it go? It is only the optimists who achieve anything in this world—theorist John Ellis once read this adage on a candy wrapper. It stuck with him, so much so that in 1986 he referenced this...
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...
IEEE Spectrum
Fakes: Not an Internet Thing, a Human Thing Every day, as the Internet becomes more indispensable to modern life, the drawbacks of deep...
a year ago
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a year ago
Every day, as the Internet becomes more indispensable to modern life, the drawbacks of deep engagement with the virtual realm capture as much attention as the wide-ranging benefits. On the Internet, of course, anyone can in all too many forums pretty much say anything—regardless...
Out-of-Pocket Blog
The Amazon + One Medical Post | Out-Of-Pocket I guess I should say something?
a year ago
Out-of-Pocket Blog
SWORD Health And Virtual Musculoskeletal Care | Out-Of-Pocket A first person account
a year ago
Yale e360
Volunteers in England Plant Thousands of Trees to Restore Celtic Rainforest Volunteers have planted more than 2,500 native trees on pasture in southwest England, part of a...
5 months ago
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5 months ago
Volunteers have planted more than 2,500 native trees on pasture in southwest England, part of a larger effort to recreate the temperate rainforest that once dominated much of the British Isles. Read more on E360 →
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
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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...
NeuroLogica Blog
Ghosts Are Not Real It’s Halloween, so there are a lot of fluff pieces about ghosts and similar phenomena circulating in...
a year ago
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a year ago
It’s Halloween, so there are a lot of fluff pieces about ghosts and similar phenomena circulating in the media. There are some good skeptical pieces as well, which is always nice to see. For this piece I did not want to frame the headline as a question, which I think is...
Asterisk
Is Cultivated Meat For Real? Cultivated meat faces a wall of scientific skepticism, but investors haven’t been deterred. A decade...
over a year ago
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over a year ago
Cultivated meat faces a wall of scientific skepticism, but investors haven’t been deterred. A decade in, how close are we to seeing it on our plates?
Explorations of an...
A Quest Nature Tour To Borneo: Kota Kinabalu, Mount Kinabalu, Sepilok And The Kinabatangan River Our Quest Nature Tours group assembled in Kota Kinabalu on the evening of October 3 and the...
7 months ago
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7 months ago
Our Quest Nature Tours group assembled in Kota Kinabalu on the evening of October 3 and the following morning we were off. Kota Kinabalu is situated on the coast, but is only a two hour drive from the mountains that form the spine of Borneo and its highest peak, Mount Kinabalu....
SubAnima
Can Biology Be Reduced To Physics? "Physics is the most fundamental and all-inclusive of the sciences." Or is it?
over a year ago
Out-of-Pocket Blog
Some more thoughts on telemedicine | Out-Of-Pocket a collection of the best audience responses
a year ago
Quanta Magazine
Singularities in Space-Time Prove Hard to Kill Black hole and Big Bang singularities break our best theory of gravity. A trilogy of theorems hints...
a month ago
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a month ago
Black hole and Big Bang singularities break our best theory of gravity. A trilogy of theorems hints that physicists will need to go to the ends of space and time to find a fix. The post Singularities in Space-Time Prove Hard to Kill first appeared on Quanta Magazine
Yale e360
On a Dammed River, Amazon Villagers Fight to Restore the Flow Indigenous communities that rely on the natural flow of the Xingu River have long fought the Belo...
2 months ago
1
2 months ago
Indigenous communities that rely on the natural flow of the Xingu River have long fought the Belo Monte dam in Brazil. With the dam now up for relicensing, they are urging the government to allow more water to flow, which would help revive the river and their way of life. Read...
Quanta Magazine
New Book-Sorting Algorithm Almost Reaches Perfection The library sorting problem is used across computer science for organizing far more than just books....
5 months ago
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5 months ago
The library sorting problem is used across computer science for organizing far more than just books. A new solution is less than a page-width away from the theoretical ideal. The post New Book-Sorting Algorithm Almost Reaches Perfection first appeared on Quanta...
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...
a year ago
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a year 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...
Casey Handmer's blog
We can Terraform the American West Why is there almost nothing on the left hand side of the USA? Water scarcity! We’re missing 300...
8 months ago
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8 months ago
Why is there almost nothing on the left hand side of the USA? Water scarcity! We’re missing 300 million Americans. We’re missing  30 global cities west of 100 degrees longitude. We should do something about it! The western US is a parched opportunity to create millions of acres...
nanoscale views
March Meeting 2025, Day 1 The APS Global Physics Summit is an intimate affair, with a mere 14,000 attendees, all apparently...
3 months ago
22
3 months ago
The APS Global Physics Summit is an intimate affair, with a mere 14,000 attendees, all apparently vying for lunch capacity for about 2,000 people.   The first day of the meeting was the usual controlled chaos of people trying to learn the layout of the convention center while...
Yale e360
Spread of Dark Algae Could Hasten Melt of Greenland Ice Sheet Dark algae are spreading across the Greenland ice sheet as snow retreats. Their dark color causes...
4 months ago
5
4 months ago
Dark algae are spreading across the Greenland ice sheet as snow retreats. Their dark color causes ice to absorb more heat from the sun, accelerating melting, and according to a new study, the harsh conditions atop the ice sheet will do little to slow their advance. Read more on...
Quanta Magazine
How the Higgs Field (Actually) Gives Mass to Elementary Particles In this article adapted from his new book, "Waves in an Impossible Sea," physicist Matt Strassler...
10 months ago
51
10 months ago
In this article adapted from his new book, "Waves in an Impossible Sea," physicist Matt Strassler explains that the origin of mass in the universe has a lot to do with music. The post How the Higgs Field (Actually) Gives Mass to Elementary Particles first appeared on...
Quanta Magazine
An Enormous Gravity ‘Hum’ Moves Through the Universe Astronomers have found a background din of exceptionally long-wavelength gravitational waves...
over a year ago
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over a year ago
Astronomers have found a background din of exceptionally long-wavelength gravitational waves pervading the cosmos. The post An Enormous Gravity ‘Hum’ Moves Through the Universe first appeared on Quanta Magazine
Asterisk
Prediction Markets Have an Elections Problem Weeks after it was clear that Donald Trump lost the 2020 election, you could still make pennies on...
a year ago
17
a year ago
Weeks after it was clear that Donald Trump lost the 2020 election, you could still make pennies on the dollar betting Joe Biden would win. Why doesn’t smart money drive out dumb money in election markets?
wadertales
Conservation beyond boundaries When an environmental impact assessment concludes that only a small number of shorebirds will be...
over a year ago
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over a year ago
When an environmental impact assessment concludes that only a small number of shorebirds will be affected by a new airport, because relatively small flocks are counted during field surveys, is there an assumption that the birds encountered are always the same individuals? What if...
The Works in...
Flipping the switch on far-UVC We’ve known about far-UVC’s promise for a decade. Why isn't it everywhere?
3 months ago
Out-of-Pocket Blog
How do hospitals spend money? | Out-Of-Pocket it's time to look at a financial statement
a year ago
Yale e360
Grass-Fed Beef No Better for Climate Than Industrial Beef, Study Finds New research finds that, pound for pound, grazing cattle generate at least as much heat-trapping gas...
3 months ago
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3 months ago
New research finds that, pound for pound, grazing cattle generate at least as much heat-trapping gas as those raised in feedlots. Read more on E360 →
Cremieux Recueil
Workers For Robots Want to give blue collar workers the sorts of jobs they can raise a family on and revive American...
8 months ago
33
8 months 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
nanoscale views
Brief items - fresh perspectives, some news bits As usual, I hope to write more about particular physics topics soon, but in the meantime I wanted to...
a week ago
9
a week ago
As usual, I hope to write more about particular physics topics soon, but in the meantime I wanted to share a sampling of news items: First, it's a pleasure to see new long-form writing about condensed matter subjects, in an era where science blogging has unquestionably shrunk...
symmetry magazine
SAGE Journey program ignites interest in STEM Three SAGE alumni talk about their experiences with a program meant to broaden gender diversity in...
a year ago
Wanderingspace
OSIRIS-REX Leaves Bennu The OSIRIS-REX mission in on a two year trajectory back to Earth after capturing fragments of the...
over a year ago
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over a year ago
The OSIRIS-REX mission in on a two year trajectory back to Earth after capturing fragments of the near Earth asteroid Bennu after successfully executing a sample touchdown last fall. [LINK] The sampling of of the asteroid’s surface is shown above.
Quanta Magazine
The Brainstem Fine-Tunes Inflammation Throughout the Body The evolutionarily ancient part of the brain that controls breathing and heart rate also regulates...
a year ago
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a year 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...
Quanta Magazine
Cells Across the Body Talk to Each Other About Aging Biologists discovered that mitochondria in different tissues talk to each other to repair injured...
a year ago
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a year ago
Biologists discovered that mitochondria in different tissues talk to each other to repair injured cells. When their signal fails, the biological clock starts winding down. The post Cells Across the Body Talk to Each Other About Aging first appeared on Quanta Magazine
NeuroLogica Blog
Fruit Fly Connectome Completed Scientists have just published in Nature that they have completed the entire connectome of a fruit...
8 months ago
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8 months ago
Scientists have just published in Nature that they have completed the entire connectome of a fruit fly: Network statistics of the whole-brain connectome of Drosophila. The map includes 140,000 neurons and more than 50 million connections. This is an incredible achievement that...
Stephen Wolfram...
Foundations of Biological Evolution: More Results & More Surprises This is a follow-on to Why Does Biological Evolution Work? A Minimal Model for Biological Evolution...
6 months ago
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6 months ago
This is a follow-on to Why Does Biological Evolution Work? A Minimal Model for Biological Evolution and Other Adaptive Processes [May 3, 2024]. Even More from an Extremely Simple Model A few months ago I introduced an extremely simple “adaptive cellular automaton” model that...
NeuroLogica Blog
Spotting Misinformation There is an interesting disconnect in our culture recently. About 90% of people claim that they...
a year ago
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a year ago
There is an interesting disconnect in our culture recently. About 90% of people claim that they verify information they encounter in the news and on social media, and 96% of Americans say that we need to limit the spread of misinformation online. And yet, the spread of...
Blog - Practical...
What Really Happened at the New Harbor Bridge Project? [Note that this article is a transcript of the video embedded above.] In July of 2022, the Texas...
over a year ago
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over a year ago
[Note that this article is a transcript of the video embedded above.] In July of 2022, the Texas Department of Transportation issued an emergency suspension of work on the half-finished Harbor Bridge project in Corpus Christi, citing serious design flaws that could cause the main...
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
21
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...
Interaction Magic -...
Engineering beneath the ice sheet Living in Greenland, deploying electronic beacons deep beneath the ice.
7 months ago
NeuroLogica Blog
Framing and Global Warming When we talk publicly about the effects of human activity on the climate should we refer to “global...
10 months ago
60
10 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...
symmetry magazine
Celebrating Dark Matter Day in Latin America Scientists, artists, communicators and physics fans find creative ways to mark the unofficial...
a year ago
26
a year ago
Scientists, artists, communicators and physics fans find creative ways to mark the unofficial holiday devoted to dark matter.
NeuroLogica Blog
Solution Aversion Fallacy I like to think deeply about informal logical fallacies. I write about them a lot, and even have an...
a year ago
62
a year ago
I like to think deeply about informal logical fallacies. I write about them a lot, and even have an occasional segment of the SGU dedicated to them. They are a great way to crystalize our thinking about the many ways in which logic can go wrong. Formal logic deals with arguments...
Yale e360
How Tearing Down Small Dams Is Helping Restore Northeast Rivers More than 30,000 small dams currently block river tributaries from Maine to Maryland. New...
4 months ago
3
4 months ago
More than 30,000 small dams currently block river tributaries from Maine to Maryland. New initiatives to remove them are aimed at restoring natural flows, improving habitat for aquatic life, and reopening thousands of river miles to migratory fish, from shad to American...
Yale e360
To Cope With Extreme Heat, Clownfish Shrink During a severe heat wave in 2023, scientists scuba diving off the coast of Papua New Guinea...
a month ago
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a month ago
During a severe heat wave in 2023, scientists scuba diving off the coast of Papua New Guinea captured clownfish to measure their bodies. Between February and August, they calculated the length of 134 of these iconic, orange and white fish once a month, taking a total of six...
Yale e360
Spread of Dark Algae Could Hasten Melt of Greenland Ice Sheet Dark algae are spreading across the Greenland ice sheet as snow retreats. Their dark color causes...
4 months ago
1
4 months ago
Dark algae are spreading across the Greenland ice sheet as snow retreats. Their dark color causes ice to absorb more heat from the sun, accelerating melting, and according to a new study, the harsh conditions atop the ice sheet will do little to slow their advance. Read more on...
nanoscale views
Quick survey - machine shops and maker spaces Recent events are very dire for research at US universities, and I will write further about those,...
a month ago
17
a month ago
Recent events are very dire for research at US universities, and I will write further about those, but first a quick unrelated survey for those at such institutions.  Back in the day, it was common for physics and some other (mechanical engineering?) departments to have machine...
symmetry magazine
A cosmological headache For over a century, scientists have wondered what is counteracting the force of gravity in the...
over a year ago
61
over a year ago
For over a century, scientists have wondered what is counteracting the force of gravity in the universe.
NeuroLogica Blog
MOBE – A New Gene Editing System Have you memorized yet what CRISPR stands for – clustered regularly interspaced short palindromic...
a year ago
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a year ago
Have you memorized yet what CRISPR stands for – clustered regularly interspaced short palindromic repeats? Well, now you can add MOBE to the list – multiplexed orthogonal base editor. Base editors are not new, they are basically enzymes that will change one base – C (cytosine), T...
Out-of-Pocket Blog
Retail and community pharmacies are changing | Out-Of-Pocket COVID tailwinds are changing the role of the pharmacy and pharmacist
a year ago
NeuroLogica Blog
Decarbonizing Aviation and Agriculture When we talk about reducing carbon release in order to slow down and hopefully stop anthropogenic...
9 months ago
62
9 months ago
When we talk about reducing carbon release in order to slow down and hopefully stop anthropogenic global warming much of the focus is on the energy and transportation sectors. There is a good reason for this – the energy sector is responsible for 25% of greenhouse gas (GHG)...
Yale e360
With NOAA Cuts, a Proud Legacy and Vital Science Are at Risk For more than 50 years, NOAA has pioneered climate research and been instrumental in advancing...
3 months ago
3
3 months ago
For more than 50 years, NOAA has pioneered climate research and been instrumental in advancing modern weather forecasting. Now labeled by Project 2025 as part of the “climate alarm industry” and facing DOGE-driven cuts, the future of this valuable public asset is in...
Interaction Magic -...
Modelling my brain A 22 hour medical experiment breathing 12% oxygen, and the 7000 images of my brain that came out of...
over a year ago
Quanta Magazine
How a Human Smell Receptor Works Is Finally Revealed After decades of frustration, researchers have finally determined how an airborne scent molecule...
over a year ago
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over a year ago
After decades of frustration, researchers have finally determined how an airborne scent molecule links to a human smell receptor. The post How a Human Smell Receptor Works Is Finally Revealed first appeared on Quanta Magazine
Damn Interesting
The Unceasing Cessna Hacienda Warren “Doc” Bayley was a man of the people. When he and his wife Judy opened their Las Vegas resort...
over a year ago
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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...
Beautiful Public...
Highway Photologs Highway departments all around the country had "photolog" programs, some dating back as early as...
over a year ago
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over a year ago
Highway departments all around the country had "photolog" programs, some dating back as early as 1961. Each year, specially tricked out vans would drive each mile of state road snapping photos to document the status of roadways.
Quanta Magazine
Viruses Finally Reveal Their Complex Social Life New research has uncovered a social world of viruses full of cheating, cooperation and other...
a year ago
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a year 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
Yale e360
Foreign Trawlers Plunder Senegalese Waters, Driving Small Fishers to Migrate to Spain A foreign fleet of industrial trawlers is exhausting fish stocks in Senegal, driving artisanal...
a month ago
4
a month ago
A foreign fleet of industrial trawlers is exhausting fish stocks in Senegal, driving artisanal fishers to undertake a difficult, and sometimes deadly, migration to Spain. Read more on E360 →
Blog - Practical...
How Engineers Straightened the Leaning Tower of Pisa [Note that this article is a transcript of the video embedded above.] Long ago, maybe upwards of 1-2...
a year ago
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a year ago
[Note that this article is a transcript of the video embedded above.] Long ago, maybe upwards of 1-2 million years ago, a river in the central part of what’s now Italy, emptied into what’s now the Ligurian Sea. It still does, by the way, but it did back then too. As the sea rose...
NeuroLogica Blog
Will Apple’s Vision Pro Change Anything? For the first time in over a decade, Apple has announced a new product designed to change computing....
over a year ago
58
over a year ago
For the first time in over a decade, Apple has announced a new product designed to change computing. There was the transition to personal computing with the Apple computer, then to portable computing with the iPhone, and now they hope to usher in the transition to virtual...
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...
a year ago
43
a year 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...
Yale e360
To Help Growers and the Grid, Build Solar on Farmland, Research Says Two new studies suggest that devoting a small fraction of U.S. farmland to solar power would be a...
2 months ago
7
2 months ago
Two new studies suggest that devoting a small fraction of U.S. farmland to solar power would be a boon both for the energy system and for farmers themselves. Read more on E360 →
Quanta Magazine
Inside Scientists’ Life-Saving Prediction of the Iceland Eruption The Reykjanes Peninsula has entered a new volcanic era. Innovative efforts to map and monitor the...
a year ago
77
a year ago
The Reykjanes Peninsula has entered a new volcanic era. Innovative efforts to map and monitor the subterranean magma are saving lives. The post Inside Scientists’ Life-Saving Prediction of the Iceland Eruption first appeared on Quanta Magazine
Asterisk
The Making of Community Notes The team that built X’s Community Notes talks about their design process and the philosophy behind...
8 months ago
18
8 months ago
The team that built X’s Community Notes talks about their design process and the philosophy behind their approach to combatting false information on the platform.
IEEE Spectrum
James Wimshurst’s Electrostatic Immortality James Wimshurst did not invent the machine that bears his name. But thanks to his many refinements...
over a year ago
42
over a year ago
James Wimshurst did not invent the machine that bears his name. But thanks to his many refinements to a distinctive type of electrostatic generator, we now have the Wimshurst influence machine. What does a Wimshurst machine do? Influence machines date back to the 18th century....
IEEE Spectrum
100 Years Ago, IBM Was Born Happy birthday, IBM! You’re 100 years old! Or are you? It’s true that the businesses that formed IBM...
a year ago
88
a year ago
Happy birthday, IBM! You’re 100 years old! Or are you? It’s true that the businesses that formed IBM began in the late 1800s. But it’s also true that a birth occurred in February 1924, with the renaming of the Computing-Tabulating-Recording Co. as the International Business...
Drew Ex Machina
Top Ten Posts of 2024 Now that we are at the end of 2024, it is time to look back at this year’s material published on...
6 months ago
72
6 months ago
Now that we are at the end of 2024, it is time to look back at this year’s material published on Drew Ex Machina and see […]
Blog - Practical...
Why Locomotives Don't Have Tires [Note that this article is a transcript of the video embedded above.] Formula 1 is, by many...
a year ago
106
a year ago
[Note that this article is a transcript of the video embedded above.] Formula 1 is, by many accounts, the pinnacle of car racing. F1 cars are among the fastest in the world, particularly around the tight corners of the various paved tracks across the globe. Drivers can experience...
Quanta Magazine
The Ecosystem Dynamics That Can Make or Break an Invasion By speedrunning ecosystems with microbes, researchers revealed intrinsic properties that may make a...
2 weeks ago
9
2 weeks ago
By speedrunning ecosystems with microbes, researchers revealed intrinsic properties that may make a community susceptible to invasion. The post The Ecosystem Dynamics That Can Make or Break an Invasion first appeared on Quanta Magazine
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...
over a year ago
65
over 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...
NeuroLogica Blog
Evolution and Copy-Paste Errors Evolution deniers (I know there is a spectrum, but generally speaking) are terrible scientists and...
a year ago
82
a year ago
Evolution deniers (I know there is a spectrum, but generally speaking) are terrible scientists and logicians. The obvious reason is because they are committing the primary mortal sin of pseudoscience – working backwards from a desired conclusion rather than following evidence and...
IEEE Spectrum
The Forgotten History of Chinese Keyboards Today, typing in Chinese works by converting QWERTY keystrokes into Chinese characters via a...
a year ago
115
a year ago
Today, typing in Chinese works by converting QWERTY keystrokes into Chinese characters via a software interface, known as an input method editor. But this was not always the case. Thomas S. Mullaney’s new book, The Chinese Computer: A Global History of the Information Age,...
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...
over a year ago
38
over 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,...
Quantum Frontiers
Let gravity do its work One day, early this spring, I found myself in a hotel elevator with three other people. The cohort...
a year ago
128
a year ago
One day, early this spring, I found myself in a hotel elevator with three other people. The cohort consisted of two theoretical physicists, one computer scientist, and what appeared to be a normal person. I pressed the elevator’s 4 button, … Continue reading →
SubAnima
You've Been Lied To About Genetics Should we give Mendel's peas a chance? Nah, we've moved on.
over a year ago
Blog - Practical...
How Long Would Society Last During a Total Grid Collapse? [Note that this article is a transcript of the video embedded above.] In February 2021, a winter...
over a year ago
53
over a year ago
[Note that this article is a transcript of the video embedded above.] In February 2021, a winter storm that swept through Texas caused one of the most severe power crises in American history. The cold weather created shockingly high electricity demands as people tried to keep...
Out-of-Pocket Blog
The Curious Case of Professional Employer Organizations | Out-Of-Pocket A tale about complexity, risk skimming, and what counts as an “employee” or “company”
9 months ago
The Works in...
The future of silk Silk is stronger than steel or kevlar. What could it be used for?
2 months ago
IEEE Spectrum
Why Engineers Still Need the Humanities Ada Lovelace, Grace Hopper, or Katherine Johnson, but there are many other women in engineering you...
a month ago
14
a month ago
Ada Lovelace, Grace Hopper, or Katherine Johnson, but there are many other women in engineering you should know about. Linda Hall Library of Science, Engineering, and Technology, in Kansas City, Mo., and I’m currently working through the unpublished papers of the American...
NeuroLogica Blog
Reconductoring our Electrical Grid Over the weekend when I was in Dallas for the eclipse, I ran into a local businessman who works in...
a year ago
80
a year ago
Over the weekend when I was in Dallas for the eclipse, I ran into a local businessman who works in the energy sector, mainly involved in new solar projects. This is not surprising as Texas is second only to California in solar installation. I asked him if he is experiencing a...
NeuroLogica Blog
New Material for Nanoconductors One of the things I have come to understand from following technology news for decades is that...
5 months ago
49
5 months ago
One of the things I have come to understand from following technology news for decades is that perhaps the most important breakthroughs, and often the least appreciated, are those in material science. We can get better at engineering and making stuff out of the materials we have,...
NeuroLogica Blog
Dwarf Planet Ring Mystery Scientists love mysteries, because that is where new discoveries lay. It is nice to find evidence...
over a year ago
48
over a year ago
Scientists love mysteries, because that is where new discoveries lay. It is nice to find evidence consistent with existing theories, providing further confirmation, but it’s exciting to find evidence that cannot be explained with existing theories. Astronomers may have found such...
Yale e360
China’s Mega Dam Project Poses Big Risks for Asia’s Grand Canyon China’s plans to build a massive hydro project in Tibet have sparked fears about the environmental...
a month ago
4
a month ago
China’s plans to build a massive hydro project in Tibet have sparked fears about the environmental impacts on the world’s longest and deepest canyon. It has also alarmed neighboring India, which fears that China could hold back or even weaponize river water it depends on. Read...
Yale e360
Trump Administration Fires Hundreds of Climate and Weather Specialists The Trump administration has re-fired hundreds of probationary workers at NOAA after a court ruling...
2 months ago
8
2 months ago
The Trump administration has re-fired hundreds of probationary workers at NOAA after a court ruling cleared the way. Read more on E360 →
nanoscale views
March Meeting 2025, Day 3 Another busy day at the APS Global Physics Summit.  Here are a few highlights: Shahal Ilani of the...
3 months ago
23
3 months ago
Another busy day at the APS Global Physics Summit.  Here are a few highlights: Shahal Ilani of the Weizmann gave an absolutely fantastic talk about his group's latest results from their quantum twisting microscope.  In a scanning tunneling microscope, because tunneling happens...
Blog - Practical...
HEAVY CONSTRUCTION of a Sewage Pump Station - Ep 2 This is the second episode of a five-part pilot series to gauge your interest in "How It's...
a year ago
52
a year ago
This is the second episode of a five-part pilot series to gauge your interest in "How It's Made"-esque heavy construction videos. Drop a comment or send me an email to let me know what you think! Watch on YouTube above or ad-free on Nebula here.
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
67
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...
nanoscale views
NSF, quo vadis? There is a lot going on.  Today, some words about NSF. Yesterday Sethuraman Panchanathan, the...
2 months ago
11
2 months ago
There is a lot going on.  Today, some words about NSF. Yesterday Sethuraman Panchanathan, the director of the National Science Foundation, resigned 16 months before the end of his six year term.  The relevant Science article raises the possibility that this is because, as an...
Quanta Magazine
How Can Math Help Beat Cancer? Cancer treatment has come a long way in recent decades. But finding the best course of treatment for...
8 months ago
54
8 months ago
Cancer treatment has come a long way in recent decades. But finding the best course of treatment for each case of this diverse, dynamic disease remains a challenge. In this episode, co-host Steven Strogatz speaks with computational biologist Franziska Michor about how math,...
Out-of-Pocket Blog
Research papers and the patient perspective | Out-Of-Pocket we can make improvements with some better studies
a year ago
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 months ago
77
6 months 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,...
Out-of-Pocket Blog
How to measure ROI in healthcare (the right way) | Out-Of-Pocket The good, better, and best way to do it (+ a calculator)
a week ago
Yale e360
How a Former Herder Protected Mongolia's Vast Grasslands Batmunkh Luvsandash has fought to protect more than a million acres of steppe lands in his native...
2 months ago
4
2 months ago
Batmunkh Luvsandash has fought to protect more than a million acres of steppe lands in his native Mongolia. In an interview with Yale Environment 360, he explains how, by drawing on the knowledge of local herders, he was able to take on the powerful mining industry and win. Read...
NeuroLogica Blog
Game Transfer Phenomenon Have you ever been into a video game that you played for hours a day for a while? Did you ever...
2 months ago
25
2 months ago
Have you ever been into a video game that you played for hours a day for a while? Did you ever experience elements of game play bleeding over into the real world? If you have, then you have experienced what psychologists call “game transfer phenomenon” or GTP.  This can be...
Asterisk
The “TESCREAL” Bungle The TESCREAL “bundle of ideologies” is purportedly essential to understand the race to build...
a year ago
16
a year ago
The TESCREAL “bundle of ideologies” is purportedly essential to understand the race to build artificial intelligence, the ethical milieu of those building it, and the philosophical underpinnings behind Silicon Valley as a whole. But does the label actually tell us anything?
Quanta Magazine
In Our Cellular Clocks, She’s Found a Lifetime of Discoveries For decades, Carrie Partch has led pioneering structural research on the protein clockwork that...
a year ago
25
a year ago
For decades, Carrie Partch has led pioneering structural research on the protein clockwork that keeps time for our circadian rhythm. Is time still on her side? The post In Our Cellular Clocks, She’s Found a Lifetime of Discoveries first appeared on Quanta Magazine
The Roots of...
What I’ve been reading, April 2023 A monthly feature. Note that I generally don’t include very recent writing here, such as the latest...
over a year ago
40
over 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,...
Out-of-Pocket Blog
Rethinking organization structures | Out-Of-Pocket Is there something beyond top-down hierarchies?
a year ago
Confessions of a...
Marine Ecology or Marine Biology….what’s the difference!?!?!? A few of you may be wondering why the blog is called ‘Confessions of a Marine Ecologist” and not...
over a year ago
46
over a year ago
A few of you may be wondering why the blog is called ‘Confessions of a Marine Ecologist” and not ‘Confessions of a Marine Biologist”.  After all, if you ask a group of school kids what they want to be when they grow up, more than a handful would happily answer “marine biologist”,...
Interaction Magic -...
Metaphors mold minds Every good design is founded on a great metaphor. How to use metaphors to design more a inclusive...
over a year ago
15
over a year ago
Every good design is founded on a great metaphor. How to use metaphors to design more a inclusive future for our cities. My IXDA Interaction 22 conference talk.
Out-of-Pocket Blog
Out-Of-Pocket’s 2023 predictions | Out-Of-Pocket mine are right all the others are wrong
a year ago
NeuroLogica Blog
Rats! What killed off the dodo? Humans first arrived at Mauritius island in the late 1500s. They found on...
a year ago
106
a year ago
What killed off the dodo? Humans first arrived at Mauritius island in the late 1500s. They found on this island fat flightless birds who nested on the ground and were a convenient way to restock their ship’s food supply. Within 80 years the dodo went extinct. But hunting was not...
Andrew Fraknoi –...
Good Meteor Shower Coming August 11-12 The Perseid Meteor Shower is one of the best of the year for the untrained observer The post Good...
11 months ago
85
11 months ago
The Perseid Meteor Shower is one of the best of the year for the untrained observer The post Good Meteor Shower Coming August 11-12 appeared first on Andrew Fraknoi - Astronomy Lectures - Astronomy Education Resources.
NeuroLogica Blog
Update on Quantum Computers There has been a lot of quantum computer news since I last wrote about the topic. But this is still...
over a year ago
42
over a year ago
There has been a lot of quantum computer news since I last wrote about the topic. But this is still a technology that is slowly advancing in the background, while actual applications have been limited. There is a threshold effect at play – at some point, quantum computers will be...
Chris Grossack's...
How to Explicitly Compute Charts for a Levelset Submanifold While doing a computation with my friend Shane the other day, we realized we needed to explicitly...
a week ago
9
a week ago
While doing a computation with my friend Shane the other day, we realized we needed to explicitly compute a local chart near the identity of $SL_2(\mathbb{R})$. It took us longer than I’d like to admit to figure out how to do this (especially since it’s so geometrically...
Quanta Magazine
The Lawlessness of Large Numbers Mathematicians can often figure out what happens as quantities grow infinitely large. What about...
a year ago
43
a year ago
Mathematicians can often figure out what happens as quantities grow infinitely large. What about when they are just a little big? The post The Lawlessness of Large Numbers first appeared on Quanta Magazine
Out-of-Pocket Blog
Structuring the Unstructured and ScienceIO | Out-Of-Pocket how to train your model, the animated movie
a year ago
Out-of-Pocket Blog
More (GPTish) healthcare startup ideas | Out-Of-Pocket You might find your future cofounder reading this one
a year ago
Yale e360
To Breed Heat-Proof Cows, Nigerian Farmers Source Brazilian Bull Genes As the planet warms, Nigerian farmers are looking to breed cattle that can take the heat, importing...
4 months ago
1
4 months ago
As the planet warms, Nigerian farmers are looking to breed cattle that can take the heat, importing semen from a Brazilian breed suited to balmy tropical weather. Read more on E360 →
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
36
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?
Out-of-Pocket Blog
Newsletter One + Patient Zero | Out-Of-Pocket Shall we begin?
a year ago
Quanta Magazine
Nobel Prize Honors Inventors of ‘Quantum Dot’ Nanoparticles The Nobel Prize for Chemistry has been awarded to three researchers who harnessed the quantum...
a year ago
21
a year ago
The Nobel Prize for Chemistry has been awarded to three researchers who harnessed the quantum behaviors of semiconductor nanocrystals. The post Nobel Prize Honors Inventors of ‘Quantum Dot’ Nanoparticles first appeared on Quanta Magazine
Yale e360
City Lights Extend Growing Season for Urban Trees From New York to Paris to Beijing, urban trees are enjoying an extra-long growing season, a new...
6 days ago
5
6 days ago
From New York to Paris to Beijing, urban trees are enjoying an extra-long growing season, a new study finds. Read more on E360 →
nanoscale views
March Meeting 2025, Day 4 and wrap-up I saw a couple of interesting talks this morning before heading out: Alessandro Chiesa of Parma...
3 months ago
23
3 months ago
I saw a couple of interesting talks this morning before heading out: Alessandro Chiesa of Parma spoke about using spin-containing molecules potentially as qubits, and about chiral-induced spin selectivity (CISS) in electron transfer.  Regarding the former, here is a review. ...
Explorations of an...
Borneo: One Final Day At Kinabalu Park October 20, 2024     And just like that, it was our final day in Borneo. The previous afternoon saw...
6 months ago
15
6 months ago
October 20, 2024     And just like that, it was our final day in Borneo. The previous afternoon saw Laura and I driving to the town of Kundasang which is the main jumping off point to visit Kinabalu Park. There remained several Bornean endemics that would be lifers for Laura...
Yale e360
'Green Grab': Solar and Wind Boom Sparks Conflicts on Land Use Solar and wind farms are proliferating and increasingly taking up land worldwide, prompting...
4 months ago
5
4 months ago
Solar and wind farms are proliferating and increasingly taking up land worldwide, prompting criticism from rural communities and environmentalists. Solutions range from growing crops or grazing livestock under PV panels to putting floating solar farms on lakes and...
Light from Space
Lunar Eclipse Triptych A total lunar eclipse is (next to the much rarer solar eclipses) a spectacle to behold and one of...
over a year ago
37
over a year ago
A total lunar eclipse is (next to the much rarer solar eclipses) a spectacle to behold and one of the few celestial events that happen in human timescales in the course of a few hours. In mid-May 2022 there was a beautiful eclipse visible from North America and I have
Quanta Magazine
Some Neural Networks Learn Language Like Humans Researchers uncover striking parallels in the ways that humans and machine learning models acquire...
over a year ago
83
over a year ago
Researchers uncover striking parallels in the ways that humans and machine learning models acquire language skills. The post Some Neural Networks Learn Language Like Humans first appeared on Quanta Magazine
Damn Interesting
Giving the Bird the Bird We’re not going to post things on Twitter X anymore. The new owner keeps doing awful stuff. If you...
a year ago
42
a year ago
We’re not going to post things on Twitter X anymore. The new owner keeps doing awful stuff. If you have enjoyed our mostly-daily curated links via the aforementioned collapsing service, we invite you to bookmark our curated links page, or follow us a number of other ways. Rather...
Interaction Magic -...
Podcast: Designed for life A deep dive into my career and the future of experience prototyping with Tony Ryan, CEO of Design &...
over a year ago
15
over a year ago
A deep dive into my career and the future of experience prototyping with Tony Ryan, CEO of Design & Technology Association.
NeuroLogica Blog
The Race Question As a scientific concept – does race exist? Is it a useful construct, or is it more misleading than...
a month ago
13
a month ago
As a scientific concept – does race exist? Is it a useful construct, or is it more misleading than useful? I wrote about this question in 2016, and my thinking has evolved a bit since then. My bottom line conclusion has not changed – the answer is, it depends. There is no fully...
Quanta Magazine
A Multitalented Scientist Seeks the Origins of Multicellularity The pathbreaking geneticist Cassandra Extavour pursues the secrets of multicellular life while...
a year ago
53
a year ago
The pathbreaking geneticist Cassandra Extavour pursues the secrets of multicellular life while balancing careers in both science and singing. The post A Multitalented Scientist Seeks the Origins of Multicellularity first appeared on Quanta Magazine
Out-of-Pocket Blog
Time Toxicity - A Real-World Example | Out-Of-Pocket Being sick is already annoying, now I gotta spend time on the phone???
a year ago
NeuroLogica Blog
AI Therapists In the movie Blade Runner 2049 (an excellent film I highly recommend), Ryan Gosling’s character, K,...
4 weeks ago
10
4 weeks ago
In the movie Blade Runner 2049 (an excellent film I highly recommend), Ryan Gosling’s character, K, has an AI “wife”, Joi, played by Ana de Armas. K is clearly in love with Joi, who is nothing but software and holograms. In one poignant scene, K is viewing a giant ad for AI...
Blog - Practical...
How Do Fish Ladders Work? [Note that this article is a transcript of the video embedded above.] Building a dam imparts a...
a year ago
145
a year 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,...
Quanta Magazine
Physicists Puzzle Over Emergence of Strange Electron Aggregates Electrons have been seen uniting into entities with fractions of electric charge, this time without...
a year ago
109
a year ago
Electrons have been seen uniting into entities with fractions of electric charge, this time without a magnetic field coaxing them into it. The post Physicists Puzzle Over Emergence of Strange Electron Aggregates first appeared on Quanta Magazine
The Roots of...
A plea for solutionism on AI safety Will AI kill us all? This question has rapidly gone mainstream. A few months ago, it wasn’t...
over a year ago
50
over a year ago
Will AI kill us all? This question has rapidly gone mainstream. A few months ago, it wasn’t seriously debated very far outside the rationalist community of LessWrong; now it’s reported in major media outlets including the NY Times, The Guardian, the Times of London, BBC, WIRED,...
Quanta Magazine
‘Paraparticles’ Would Be a Third Kingdom of Quantum Particle A new proposal makes the case that paraparticles — a new category of quantum particle — could be...
2 months ago
38
2 months ago
A new proposal makes the case that paraparticles — a new category of quantum particle — could be created in exotic materials. The post ‘Paraparticles’ Would Be a Third Kingdom of Quantum Particle first appeared on Quanta Magazine
Bartosz Ciechanowski
Sound Invisible and relentless, sound is seemingly just there, traveling through our surroundings to carry...
over a year ago
55
over a year ago
Invisible and relentless, sound is seemingly just there, traveling through our surroundings to carry beautiful music or annoying noises. In this article I’ll explain what sound is, how it’s created and propagated. Throughout this presentation you will be hearing different sounds,...
Quanta Magazine
A New Generation of Mathematicians Pushes Prime Number Barriers New work attacks a long-standing barrier to understanding how prime numbers are distributed. ...
a year ago
36
a year ago
New work attacks a long-standing barrier to understanding how prime numbers are distributed. The post A New Generation of Mathematicians Pushes Prime Number Barriers first appeared on Quanta Magazine
Out-of-Pocket Blog
Provider Directories, Physician data, and Ribbon Health | Out-Of-Pocket why can't I find any important info about my doctor lol
a year ago
The Works in...
Communities of Practice: The Soul of Maintaining a New Machine The first section of Ch. 3 of Stewart Brand’s Maintenance on Books in Progress
11 months ago
Quanta Magazine
How Simple Math Moves the Needle The spatial intuition behind a three-point turn offers an on-ramp to a century-old geometry problem....
a year ago
27
a year ago
The spatial intuition behind a three-point turn offers an on-ramp to a century-old geometry problem. The post How Simple Math Moves the Needle first appeared on Quanta Magazine
Cremieux Recueil
Why America’s Racial Poverty Statistics Are a Lesson for Researchers What if a single government employee could tell you an entire literature was wrong?
10 months ago
Quanta Magazine
Quantum Complexity Shows How to Escape Hawking’s Black Hole Paradox Inside of a black hole, the two theoretical pillars of 20th-century physics appear to clash. Now a...
a year ago
19
a year ago
Inside of a black hole, the two theoretical pillars of 20th-century physics appear to clash. Now a group of young physicists think they have resolved the conflict by appealing to the central pillar of the new century — the physics of quantum information. The post...
Quantum Frontiers
Now published: Building Quantum Computers Building Quantum Computers: A Practical Introduction by Shayan Majidy, Christopher Wilson, and...
9 months ago
76
9 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 →
Out-of-Pocket Blog
23andMe, a healthcare fund idea, and the NHS | Out-Of-Pocket Some random musings coming from London
8 months ago
IEEE Spectrum
The Battle for Better, Broader, More Inclusive AI AI’s inclusivity problem is no secret. According to the ACLU, AI systems can perpetuate housing...
a year ago
90
a year ago
AI’s inclusivity problem is no secret. According to the ACLU, AI systems can perpetuate housing discrimination and bias in the justice system, among other harms. Bias in the data an AI model relies on is reproduced in its results. Large Language Models (LLMs) share this problem;...
Out-of-Pocket Blog
Musings on CVS, two-way negotiation, and venture studios | Out-Of-Pocket + we're hosting another dinner! and courses ending!
a year ago
Quanta Magazine
Memories Help Brains Recognize New Events Worth Remembering Memories may affect how well the brain will learn about future events by shifting our perceptions of...
over a year ago
112
over a year ago
Memories may affect how well the brain will learn about future events by shifting our perceptions of the world. The post Memories Help Brains Recognize New Events Worth Remembering first appeared on Quanta Magazine
Quanta Magazine
Computation Is All Around Us, and You Can See It if You Try Computer scientist Lance Fortnow writes that by embracing the computations that surround us, we can...
a year ago
53
a year ago
Computer scientist Lance Fortnow writes that by embracing the computations that surround us, we can begin to understand and tame our seemingly random world. The post Computation Is All Around Us, and You Can See It if You Try first appeared on Quanta Magazine
Breck's Blog
Experiments
2 months ago
nanoscale views
So you want to build a science/engineering laboratory building A very quick summary of some non-negative news developments: The NSF awarded 500 more graduate...
2 weeks ago
11
2 weeks ago
A very quick summary of some non-negative news developments: The NSF awarded 500 more graduate fellowships this week, bringing the total for this year up to 1500.  (Apologies for the X link.)  This is still 25% lower than last year's number, and of course far below the original...
The Roots of...
What I’ve been reading, July–August 2023 A quasi-monthly feature (I skipped it last month, so this is a double portion). This is a longish...
a year ago
21
a year ago
A quasi-monthly feature (I skipped it last month, so this is a double portion). This is a longish post covering many topics; feel free to skim and skip around. Recent blog posts and news stories are generally omitted; you can find them in my links digests. These updates are less...
Eukaryote Writes...
Eukaryote writes for Asterisk Magazine See my piece on the history of microbiology and the vast, invisible worlds that come into focus...
8 months ago
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8 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...
Quanta Magazine
Big Advance on Simple-Sounding Math Problem Was a Century in the Making A new proof about prime numbers illuminates the subtle relationship between addition and...
8 months ago
78
8 months ago
A new proof about prime numbers illuminates the subtle relationship between addition and multiplication — and raises hopes for progress on the famous abc conjecture. The post Big Advance on Simple-Sounding Math Problem Was a Century in the Making first appeared on...
Yale e360
Renewables Did Not Cause Spanish Blackout, Investigations Find In the aftermath of a massive blackout that hit Spain and Portugal in April, some pundits were quick...
a week ago
6
a week ago
In the aftermath of a massive blackout that hit Spain and Portugal in April, some pundits were quick to blame wind and solar for the loss of power. But official inquiries have found that a shortfall in conventional power led to the outages. Read more on E360 →
The Works in...
King of fruits Ordinary yellow pineapples were once so precious they were rented for display at dinner parties, but...
3 months ago
24
3 months ago
Ordinary yellow pineapples were once so precious they were rented for display at dinner parties, but centuries of innovation made them commonplace.
brr
South Pole Water Infrastructure Fresh water from snow, at 70 below!
a year ago
The Works in...
The magic of through running By weaving together existing railway lines, some cities can get the best transit in the world
2 weeks ago
Quanta Magazine
‘Embryo Models’ Challenge Legal, Ethical and Biological Concepts With embryolike constructs built entirely from stem cells, researchers can revolutionize our...
over a year ago
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over 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...
Quantum Frontiers
Quantum Frontiers salutes an English teacher If I ever mention a crazy high-school English teacher to you, I might be referring to Mr. Lukacs....
a year ago
88
a year ago
If I ever mention a crazy high-school English teacher to you, I might be referring to Mr. Lukacs. One morning, before the first bell rang, I found him wandering among the lockers, wearing a white beard and a mischievous grin. … Continue reading →
Out-of-Pocket Blog
Machine Vision, Robots, and Endoscopes with Matt Schwartz | Out-Of-Pocket When GI met AI
a year ago
NeuroLogica Blog
Converting CO2 to Carbon Nanofibers One of the dreams of a green economy where the amount of CO2 in the atmosphere is stable, and not...
a year ago
36
a year ago
One of the dreams of a green economy where the amount of CO2 in the atmosphere is stable, and not slowly increasing, is the ability to draw CO2 from the atmosphere and convert it to a solid form. Often referred to as carbon capture, some form of this is going to be necessary...
Light from Space
The Soul of the Heart Nebula A spectacular emission Nebula, the Heart Nebula is one of the classics of Northern Hemisphere...
over a year ago
43
over a year ago
A spectacular emission Nebula, the Heart Nebula is one of the classics of Northern Hemisphere amateury astronomy. In the gallery below, I've highlighted 3 very different areas of the image: Left: Planetary Nebula WeBo-1 Middle: Melotte 15 in the... heart of the Heart...
The Works in...
Upzoning New Zealand How a small country started building a lot of homes
a year ago
Asterisk
Chimes at Midnight It’s been an idea for over three decades. How did the clock that will run for 10,000 years become a...
8 months ago
14
8 months ago
It’s been an idea for over three decades. How did the clock that will run for 10,000 years become a reality?
NeuroLogica Blog
Clickbait and Misinformation Which is worse – clickbaity headlines for news articles that are factually correct, but may be...
a year ago
82
a year ago
Which is worse – clickbaity headlines for news articles that are factually correct, but may be playing up a sensational angle, or straight-up misinformation? It depends on what you mean by “worse”. A new study tries to address this information, with some interesting findings....
Quanta Magazine
Flow Proof Helps Mathematicians Find Stability in Chaos A series of new papers describes how to fully characterize key dynamical systems with relatively...
over a year ago
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over a year ago
A series of new papers describes how to fully characterize key dynamical systems with relatively little data. The post Flow Proof Helps Mathematicians Find Stability in Chaos first appeared on Quanta Magazine
Yale e360
China Allows New Coal Plants, but With More Limited Role China will allow the construction of new coal power plants through at least 2027 but with...
2 months ago
8
2 months ago
China will allow the construction of new coal power plants through at least 2027 but with restrictions aimed at limiting emissions and boosting renewables, according to a newly released action plan. Read more on E360 →
Explorations of an...
Monsoon Season In Arizona, Part 3: Hunter Canyon to Portal September 2, 2024 We awoke to another beautiful sunrise in the Huachuca Mountains. I could get used...
9 months ago
13
9 months ago
September 2, 2024 We awoke to another beautiful sunrise in the Huachuca Mountains. I could get used to this view. View from Beatty's Guest Ranch - Miller Canyon, Cochise County, Arizona This was our final morning in this region; we had plans to make the long drive eastwards...
Chris Grossack's...
A Cute Application of the Yoneda Lemma Every few weeks recently I’ve been putting a new fun problem on one of the whiteboards in the first...
3 months ago
33
3 months ago
Every few weeks recently I’ve been putting a new fun problem on one of the whiteboards in the first year office. These are often inspired by something I saw on MSE, and I’m usually choosing problems that force you to understand something fundamental really well. Then I usually...
Beautiful Public...
Visualizing Ship Movements with AIS Data Explore the beautiful, intricate paths of ships over a year—tracked from America's busiest ports to...
9 months ago
99
9 months ago
Explore the beautiful, intricate paths of ships over a year—tracked from America's busiest ports to the open ocean via AIS marine tracking data.
Out-of-Pocket Blog
More thoughts consumerization in healthcare | Out-Of-Pocket tales from other countries, industries, and more
10 months ago
NeuroLogica Blog
Washington Post on Past Lives Generally speaking the mainstream media does a terrible job of reporting anything in the realm of...
a year ago
102
a year ago
Generally speaking the mainstream media does a terrible job of reporting anything in the realm of pseudoscience or the paranormal. The Washington Post’s recent article on children who apparently remember their past lives is no exception. Journalists generally don’t have the...
Yale e360
Expelling Indigenous Batwa from Their Lands Did Not Help Endangered Gorillas, Study Finds For decades, Congolese officials have barred the Batwa from their ancestral lands in the name of...
6 months ago
4
6 months ago
For decades, Congolese officials have barred the Batwa from their ancestral lands in the name of preserving the critically endangered eastern lowland gorilla. But a new study suggests the Batwa were never a threat to the creatures. Read more on E360 →
NeuroLogica Blog
The Next Step in Space Travel The European Space Agency (ESA) has announced they are developing their own commercial space...
a year ago
22
a year ago
The European Space Agency (ESA) has announced they are developing their own commercial space capsule. This will be used initially for cargo, but then eventually for crew as well. They anticipate a maiden voyage in 2028. I think this is a positive development. It seems we are...
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
44
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...
ToughSF
Actively Cooled Armor: from Helium to Liquid Tin. We have seen designs for long ranged particle beams and powerful lasers. Could they be the end-all,...
over a year ago
13
over a year ago
We have seen designs for long ranged particle beams and powerful lasers. Could they be the end-all, be-all of space warfare? Not if we fend off their destructive power with actively cooled armor. Let's have a look at the different cooling solutions, from high pressure gas to...
NeuroLogica Blog
Boeing Starliner Launches Soon If all goes well, Boeing’s Starliner capsule will launch on Monday May 6th with two crew members...
a year ago
85
a year ago
If all goes well, Boeing’s Starliner capsule will launch on Monday May 6th with two crew members aboard, Butch Wilmore and Suni Williams, who will be spending a week aboard the ISS. This is the last (hopefully) test of the new capsule, and if successful it will become officially...
symmetry magazine
Kétévi Assamagan pays it forward Kétévi Assamagan's contributions to physics go beyond his research at the Large Hadron...
over a year ago
35
over a year ago
Kétévi Assamagan's contributions to physics go beyond his research at the Large Hadron Collider. Kétévi Assamagan first became interested in physics in high school—because he had to be. His school in Togo, in West Africa, required students to declare a major....
Yale e360
A Year of Climate Extremes, In Photos From floods in Brazil to Hurricane Helene in North Carolina, extreme weather exacted a devastating...
6 months ago
2
6 months ago
From floods in Brazil to Hurricane Helene in North Carolina, extreme weather exacted a devastating toll in 2024. Read more on E360 →
The Works in...
The first non-opioid painkiller Journavx was approved this year. Why did it take so long to develop?
a week ago
NeuroLogica Blog
Apologizing for Uri Geller A recent New York Times article tries to rehabilitate the reputation of Uri Geller, famed...
a year ago
53
a year ago
A recent New York Times article tries to rehabilitate the reputation of Uri Geller, famed spoon-bending magician, by simply telling a one-sided narrative. From my perspective as a skeptic, this was a terrible article that missed the real issue, glossed over glaring defects in...
Eukaryote Writes...
I got dysentery so you don’t have to On turning 30 in a human challenge trial ward.
8 months ago
Yale e360
In Mexico’s ‘Avocado Belt,’ Villagers Stand Up to Protect Their Lands A boom in avocado production in Mexico has led to illegal deforestation and an influx of drug...
2 months ago
1
2 months ago
A boom in avocado production in Mexico has led to illegal deforestation and an influx of drug cartels dominating the lucrative trade. But Indigenous communities have fought back against the gangs and turned to traditional practices to grow avocados and save their forests.  Read...
Yale e360
Brazilian Judge Orders Seizure of Illegally Cleared Lands A justice on the Brazilian Supreme Court has directed the government to seize private lands where...
2 months ago
4
2 months ago
A justice on the Brazilian Supreme Court has directed the government to seize private lands where forests have been illegally razed.  Read more on E360 →
Quanta Magazine
In the ‘Wild West’ of Geometry, Mathematicians Redefine the Sphere High-dimensional spheres can have a much wider variety of structures than mathematicians thought...
a year ago
21
a year ago
High-dimensional spheres can have a much wider variety of structures than mathematicians thought possible. The post In the ‘Wild West’ of Geometry, Mathematicians Redefine the Sphere first appeared on Quanta Magazine
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
21
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.
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
26
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 ›
Quanta Magazine
‘A-Team’ of Math Proves a Critical Link Between Addition and Sets A team of four prominent mathematicians, including two Fields medalists, proved a conjecture...
a year ago
57
a year ago
A team of four prominent mathematicians, including two Fields medalists, proved a conjecture described as a “holy grail of additive combinatorics.” The post ‘A-Team’ of Math Proves a Critical Link Between Addition and Sets first appeared on Quanta Magazine
brr
Redeployment Part One Emerging from winter and preparing for our first flight!
a year ago
Out-of-Pocket Blog
The New Era Of Digital Therapeutics | Out-Of-Pocket Guess it's time to start defining the term again
a year ago
Casey Handmer's blog
To Conquer the Primary Energy Consumption Layer of Our Entire Civilization [Originally posted on the Terraform blog April 3, 2025.] Three years ago we set out to make cheap...
2 months ago
32
2 months ago
[Originally posted on the Terraform blog April 3, 2025.] Three years ago we set out to make cheap synthetic natural gas from sunlight and air. At the time I didn’t fully appreciate that we had kicked off the process of recompiling the foundation layer of our entire industrial...
Asterisk
Debugging Tech Journalism A huge proportion of tech journalism is characterized by scandals, sensationalism, and shoddy...
a year ago
14
a year ago
A huge proportion of tech journalism is characterized by scandals, sensationalism, and shoddy research. Can we fix it?
Quanta Magazine
New Breakthrough Brings Matrix Multiplication Closer to Ideal By eliminating a hidden inefficiency, computer scientists have come up with a new way to multiply...
a year ago
71
a year ago
By eliminating a hidden inefficiency, computer scientists have come up with a new way to multiply large matrices that’s faster than ever. The post New Breakthrough Brings Matrix Multiplication Closer to Ideal first appeared on Quanta Magazine
Out-of-Pocket Blog
Mental Health And The Weird Fixation With Employers | Out-Of-Pocket an uncomfortable conversation about mental health access
a year ago
Breck's Blog
Pretext
2 months ago