Probably...
Hazard and Survival
Here’s a question from the Reddit statistics forum. If I have a tumor that I’ve been told has a...
3 weeks ago
Here’s a question from the Reddit statistics forum. If I have a tumor that I’ve been told has a malignancy rate of 2% per year, does that compound? So after 5 years there’s a 10% chance it will turn malignant? This turns out to be an interesting question, because the answer...
Blog - Practical...
How The Channel Tunnel Works
[Note that this article is a transcript of the video embedded above.]
2024 marks thirty years since...
11 months ago
[Note that this article is a transcript of the video embedded above.]
2024 marks thirty years since the opening of the channel tunnel, or chunnel, or as they say in Calais, Le tunnel sous la Manche. This underground/undersea railroad tunnel connects England with France, crossing...
Blog - Practical...
Where Does Grounded Electricity Actually Go?
[Note that this article is a transcript of the video embedded above.]
Imagine this scenario: You...
a year ago
[Note that this article is a transcript of the video embedded above.]
Imagine this scenario: You have a diesel-powered generator on a stand that is electrically isolated from the ground. Run a wire from the energized slot of an outlet to an electrode driven into the ground. Don’t...
Damn Interesting
Devouring the Heart of Portugal
On the morning of Thursday, 04 December 1924, a tall and well-dressed Dutch trader named Karel...
over a year ago
On the morning of Thursday, 04 December 1924, a tall and well-dressed Dutch trader named Karel Marang strolled along Great Winchester Street in the City of London, among the bustling crowds of bankers and brokers of the business district, unaware that the parcel he carried held...
wadertales
Broad-billed Sandpiper: Now a Red-listed wader
A dedicated team of Scottish bird ringers has been studying breeding waders in northern Norway since...
2 weeks ago
A dedicated team of Scottish bird ringers has been studying breeding waders in northern Norway since 1993. One of the focal species of their fieldwork is the secretive Broad-billed Sandpiper, an unusual taiga wader which nests on low-lying tussocks embedded in floating mats of...
nanoscale views
Faculty positions at Rice, + annual Nobel speculation
Trying to spread the word:
The Department of Physics and Astronomy at Rice University in Houston,...
a year ago
Trying to spread the word:
The Department of Physics and Astronomy at Rice University in Houston, Texas invites applications for two tenure-track faculty positions, one experimental and one theoretical, in the area of quantum science using atomic, molecular, or optical methods....
Blog - Practical...
HEAVY CONSTRUCTION of a Sewage Pump Station - Ep 3
This is the third episode of a five-part pilot series to gauge your interest in "How It's...
a year ago
This is the third 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.
The Roots of...
What I’ve been reading, March 2023
A new monthly feature, let me know what you think.
Books
Matt Ridley, How Innovation Works (2020)....
a year ago
A new monthly feature, let me know what you think.
Books
Matt Ridley, How Innovation Works (2020). About halfway through, lots of interesting case studies, very readable.
Vaclav Smil, Creating the Twentieth Century (2005). I read the first chapter; saving the rest of it for when...
Math Is Still...
Chatbots Don’t Know What Stuff Isn’t
Today’s language models are more sophisticated than ever, but they still struggle with the concept...
a year ago
Today’s language models are more sophisticated than ever, but they still struggle with the concept of negation. That’s unlikely to change anytime soon.
The post Chatbots Don’t Know What Stuff Isn’t first appeared on Quanta Magazine
The Roots of...
Levels of safety for AI and other technologies
What does it mean for AI to be “safe”?
Right now there is a lot of debate about AI safety. But...
a year ago
What does it mean for AI to be “safe”?
Right now there is a lot of debate about AI safety. But people often end up talking past each other because they’re not using the same definitions or standards.
For the sake of productive debates, let me propose some distinctions to add...
Math Is Still...
Extra-Long Blasts Challenge Our Theories of Cosmic Cataclysms
Astronomers thought they had solved the mystery of gamma-ray bursts. A few recent events suggest...
a year ago
Astronomers thought they had solved the mystery of gamma-ray bursts. A few recent events suggest otherwise.
The post Extra-Long Blasts Challenge Our Theories of Cosmic Cataclysms first appeared on Quanta Magazine
Stephen Wolfram...
Why Does Biological Evolution Work? A Minimal Model for Biological Evolution and Other Adaptive...
The Model Why does biological evolution work? And, for that matter, why does machine learning work?...
7 months ago
The Model Why does biological evolution work? And, for that matter, why does machine learning work? Both are examples of adaptive processes that surprise us with what they manage to achieve. So what’s the essence of what’s going on? I’m going to concentrate here on biological...
Math Is Still...
A Century Later, New Math Smooths Out General Relativity
Mathematicians prove a theorem that illuminates the geometry of universes with tiny amounts of mass....
a year ago
Mathematicians prove a theorem that illuminates the geometry of universes with tiny amounts of mass.
The post A Century Later, New Math Smooths Out General Relativity first appeared on Quanta Magazine
Quantum Frontiers
Let the great world spin
I first heard the song “Fireflies,” by Owl City, shortly after my junior year of college. During the...
a year ago
I first heard the song “Fireflies,” by Owl City, shortly after my junior year of college. During the refrain, singer Adam Young almost whispers, “I’d like to make myself believe / that planet Earth turns slowly.” Goosebumps prickled along my … Continue reading →
nanoscale views
ARPA-E Roadshow
Today, Rice hosted the ARPA-E Roadshow, a series of presentations by ARPA-E program officers, MC-ed...
a year ago
Today, Rice hosted the ARPA-E Roadshow, a series of presentations by ARPA-E program officers, MC-ed by the director, Prof. Evelyn Wang. It was all about the energy transition, and it was pretty fascinating, particularly hearing from leaders of startups who were making...
Probably...
What does a confidence interval mean?
Here’s another installment in Data Q&A: Answering the real questions with Python. In general, I will...
8 months ago
Here’s another installment in Data Q&A: Answering the real questions with Python. In general, I will try to focus on practical problems, but this one is a little more philosophical. confidence What does a confidence interval mean?¶ Here’s a question from the Reddit statistics...
Drew Ex Machina
The Dream: The First Probe to the Moon
The past decade or so has seen a marked increase in interest to reach the Moon for exploration as...
11 months ago
The past decade or so has seen a marked increase in interest to reach the Moon for exploration as well as the potential exploitation of its […]
Math Is Still...
The Surprisingly Simple Math Behind Puzzling Matchups
If Anna beats Benji in a game and Benji beats Carl, will Anna beat Carl?
The post The...
11 months ago
If Anna beats Benji in a game and Benji beats Carl, will Anna beat Carl?
The post The Surprisingly Simple Math Behind Puzzling Matchups first appeared on Quanta Magazine
Math Is Still...
A Multitalented Scientist Seeks the Origins of Multicellularity
The pathbreaking geneticist Cassandra Extavour pursues the secrets of multicellular life while...
10 months 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
The Roots of...
What does it mean to “trust science”?
And this, my children, is why we do not say things like “I believe in science”. I mean, don’t get me...
a year ago
And this, my children, is why we do not say things like “I believe in science”. I mean, don’t get me wrong, science definitely exists—I’ve seen it. But not everything that calls itself science is science, and even good science sometimes gets wrong results. –Megan McArdle
Should...
Stephen Wolfram...
On the Nature of Time
The Computational View of Time Time is a central feature of human experience. But what actually is...
2 months ago
The Computational View of Time Time is a central feature of human experience. But what actually is it? In traditional scientific accounts it’s often represented as some kind of coordinate much like space (though a coordinate that for some reason is always systematically...
Out-of-Pocket Blog
Let’s Talk About Obesity Drugs | Out-Of-Pocket
we're entering a new era for these treatments
a year ago
we're entering a new era for these treatments
NeuroLogica Blog
Factory Farming is Better Than Organic Farming
Some narratives are simply ubiquitous in our culture (every culture has its universal narratives)....
5 days ago
Some narratives are simply ubiquitous in our culture (every culture has its universal narratives). Sometimes these narratives emerge out of shared values, like liberty and freedom. Sometimes they emerge out of foundational beliefs (the US still has a puritanical bent). And...
NeuroLogica Blog
Hunter-Gatherers and Childcare
What is “natural” for humans? It’s often hard to say, and in my opinion this is a highly overused...
a year ago
What is “natural” for humans? It’s often hard to say, and in my opinion this is a highly overused concept. Primarily this is because humans are adaptable – we adapt to our environment, our situation, and our culture. So it is “natural” for us not to have a natural state. But this...
nanoscale views
Thoughts on undergrad solid-state content
Figuring out what to include in an undergraduate introduction to solid-state physics course is...
8 months ago
Figuring out what to include in an undergraduate introduction to solid-state physics course is always a challenge. Books like the present incarnation of Kittel are overstuffed with more content than can readily fit in a one-semester course, and because that book has grown...
Tikalon Blog by Dev...
Green Ammonia
Ammonia is an important industrial chemical with an estimated worldwide production exceeding 150...
5 months ago
Ammonia is an important industrial chemical with an estimated worldwide production exceeding 150 million metric tons. About 70% of ammonia is used to make nitrate fertilizers. Unfortunately, the production of ammonia is energy and it's a major source of carbon dioxide emission. ...
symmetry magazine
Imagining the future of gravitational-wave research
To understand why scientists are excited about detecting a new background, just look to the history...
a year ago
To understand why scientists are excited about detecting a new background, just look to the history of studies of the CMB.
IEEE Spectrum
Touchscreens Are Out, and Tactile Controls Are Back
Tactile controls are back in vogue. Apple added two new buttons to the iPhone 16, home appliances...
a month ago
Tactile controls are back in vogue. Apple added two new buttons to the iPhone 16, home appliances like stoves and washing machines are returning to knobs, and several car manufacturers are reintroducing buttons and dials to dashboards and steering wheels.
With this...
Andrew Fraknoi –...
Dec. 21 is Winter Solstice — Why We Have Seasons on Earth
Saturday, Dec. 21 will be the winter solstice – the shortest day and longest night of the year, with...
3 days ago
Saturday, Dec. 21 will be the winter solstice – the shortest day and longest night of the year, with which we mark the beginning of the winter season in the Earth’s northern hemisphere. It’s interesting to note that the planets Venus and Jupiter do not have seasons like the...
The Works in...
Whatever happened to the industrial R&D lab?
From the Works in Progress archives.
a year ago
From the Works in Progress archives.
Apoorva Srinivasan
on edward jenner and creativity
One common question that’s on everyone’s minds as we fiercely scrub our hands, pool our resources,...
over a year ago
One common question that’s on everyone’s minds as we fiercely scrub our hands, pool our resources, conserve our consumption, stock up (but not hoard), invent calculus or write King Lear is: when will this end? Nobody knows what the answer to that question is but we
Drew Ex Machina
Drew Ex Machina 10th Anniversary: Top Ten Posts
I find it difficult to believe but, it was ten years ago today that I posted the first article on my...
9 months ago
I find it difficult to believe but, it was ten years ago today that I posted the first article on my then-new website, Drew Ex Machina. […]
Math Is Still...
Number of Distances Separating Points Has a New Bound
Mathematicians have struggled to prove Falconer’s Conjecture, a simple, but far-reaching, hypothesis...
8 months ago
Mathematicians have struggled to prove Falconer’s Conjecture, a simple, but far-reaching, hypothesis about the distances between points. They’re finally getting close.
The post Number of Distances Separating Points Has a New Bound first appeared on Quanta Magazine
Probably...
The World Population Singularity
One of the exercises in Modeling and Simulation in Python invites readers to download estimates of...
a year ago
One of the exercises in Modeling and Simulation in Python invites readers to download estimates of world population from 10,000 BCE to the present, and to see if they are well modeled by any simple mathematical function. Here’s what the estimates look like (aggregated on...
nanoscale views
Chemical potential and banana waffles
The concept of chemical potential is one that seems almost deliberately obscure to many. I’ve...
a year ago
The concept of chemical potential is one that seems almost deliberately obscure to many. I’ve written about this here, and referenced this article. What you may not realize is that the chemical potential, of water in particular, plays a crucial role in why my banana waffle...
Math Is Still...
What Can Birdsong Teach Us About Human Language?
We often consider spoken language to be a feature that distinguishes humans from other forms of...
a month ago
We often consider spoken language to be a feature that distinguishes humans from other forms of animal life. Brain research, however, suggests that other creatures — including certain birds — share some of our neural circuitry related to language. In this episode, co-host Janna...
Math Is Still...
New Breakthrough Brings Matrix Multiplication Closer to Ideal
By eliminating a hidden inefficiency, computer scientists have come up with a new way to multiply...
9 months 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
Math Is Still...
Behold Modular Forms, the ‘Fifth Fundamental Operation’ of Math
Modular forms are one of the most beautiful and mysterious objects in mathematics. What are they? ...
a year ago
Modular forms are one of the most beautiful and mysterious objects in mathematics. What are they?
The post Behold Modular Forms, the ‘Fifth Fundamental Operation’ of Math first appeared on Quanta Magazine
Out-of-Pocket Blog
"We Should Sell To Self-Insured Employers" | Out-Of-Pocket
Six Stages Of Health Tech Grief Pt. 2
a year ago
Six Stages Of Health Tech Grief Pt. 2
Math Is Still...
Mathematicians Identify the Best Versions of Iconic Shapes
Researchers are discovering the shortest knots and fattest Möbius strips, among other “optimal...
11 months ago
Researchers are discovering the shortest knots and fattest Möbius strips, among other “optimal shapes.”
The post Mathematicians Identify the Best Versions of Iconic Shapes first appeared on Quanta Magazine
nanoscale views
Really doing mechanics at the quantum level
A helpful ad from Science Made Stupid.
Since before the development of micro- and...
a month ago
A helpful ad from Science Made Stupid.
Since before the development of micro- and nanoelectromechanical techniques, there has been an interest in making actual mechanical widgets that show quantum behavior. There is no reason that we should not be able to make a mechanical...
Math Is Still...
When Data Is Missing, Scientists Guess. Then Guess Again.
Across the social and biological sciences, statisticians use a technique that leverages randomness...
2 months ago
Across the social and biological sciences, statisticians use a technique that leverages randomness to deal with the unknown.
The post When Data Is Missing, Scientists Guess. Then Guess Again. first appeared on Quanta Magazine
Out-of-Pocket Blog
Clinical Pharmacists, Generative AI, and InpharmD | Out-Of-Pocket
Going under the hood of a generative AI product
11 months ago
Going under the hood of a generative AI product
NeuroLogica Blog
Spotting Misinformation
There is an interesting disconnect in our culture recently. About 90% of people claim that they...
7 months 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...
Math Is Still...
Perplexing the Web, One Probability Puzzle at a Time
The mathematician Daniel Litt has driven social media users to distraction with a series of...
3 months ago
The mathematician Daniel Litt has driven social media users to distraction with a series of simple-seeming but counterintuitive probability puzzles.
The post Perplexing the Web, One Probability Puzzle at a Time first appeared on Quanta Magazine
NeuroLogica Blog
Using Plants as Biofactories
When you think about it, plants are self-reproducing solar-powered biological factories. They are...
a year ago
When you think about it, plants are self-reproducing solar-powered biological factories. They are powered by the sun, extract raw material from the air and soil, and make all sorts of useful molecules. Mostly we use them to make edible molecules (food), but also to make textiles,...
Out-of-Pocket Blog
The Engineering Behind Healthcare LLMs with Abridge | Out-Of-Pocket
What kinds of challenges come up with creating a speech-to-text gen AI product?
3 months ago
What kinds of challenges come up with creating a speech-to-text gen AI product?
Confessions of a...
Shark Bay: a pristine template for marine ecosystems worldwide
Here in Western Australia, we are lucky to be in the global centre of seagrass diversity. As such,...
over a year ago
Here in Western Australia, we are lucky to be in the global centre of seagrass diversity. As such, we have a coastline dominated by many different species of seagrasses – from large, temperate seagrasses like Posidonia australis to small, tropical species like Halodule...
Out-of-Pocket Blog
Can patients be good healthcare shoppers? | Out-Of-Pocket
Should their be limits to patient agency?
4 months ago
Should their be limits to patient agency?
symmetry magazine
India’s gem at CERN: Archana Sharma
The first Indian scientist to join CERN was recently recognized with the highest honor of India for...
a year ago
The first Indian scientist to join CERN was recently recognized with the highest honor of India for overseas citizens.
Out-of-Pocket Blog
Six Healthcare Startup Ideas | Out-Of-Pocket
In collaboration with The Generalist
a year ago
In collaboration with The Generalist
The Works in...
The San Diego infinite housing glitch
How a bonus ADU program allows 'granny towers' in gardens
2 months ago
How a bonus ADU program allows 'granny towers' in gardens
Math Is Still...
Dark Energy May Be Weakening, Major Astrophysics Study Finds
A generation of physicists has referred to the dark energy that permeates the universe as “the...
8 months ago
A generation of physicists has referred to the dark energy that permeates the universe as “the cosmological constant.” Now the largest map of the cosmos to date hints that this mysterious energy has been changing over billions of years.
The post Dark Energy May Be...
Out-of-Pocket Blog
Thinking beyond value-based care | Out-Of-Pocket
Maybe there’s more to life than shared savings
3 months ago
Maybe there’s more to life than shared savings
Drew Ex Machina
Catching Up: Talking about the Weather
After an unintended four-month hiatus publishing new work on the Drew Ex Machina website, I figured...
a year ago
After an unintended four-month hiatus publishing new work on the Drew Ex Machina website, I figured it was time to catch up on what I’ve been […]
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”
3 months ago
A tale about complexity, risk skimming, and what counts as an “employee” or “company”
Drew Ex Machina
Star Way of Humanity: American Space Art
During the COVID-19 shutdown three years ago, I spent a lot of my time at home digging through my...
a year ago
During the COVID-19 shutdown three years ago, I spent a lot of my time at home digging through my archives discovering all sorts of items I […]
IEEE Spectrum
Skylab: The Space Station That Fell on Australia
end cap from one of Skylab’s oxygen tanks in the dirt. Cattle were drinking collected rainwater from...
a year ago
end cap from one of Skylab’s oxygen tanks in the dirt. Cattle were drinking collected rainwater from the remains of a US $2.2 billion NASA investment.
Skylab’s Failure and Recovery
Skylab’s fate was sealed moments after lift-off when the sun shield and main solar panel were...
symmetry magazine
A cosmological headache
For over a century, scientists have wondered what is counteracting the force of gravity in the...
a year ago
For over a century, scientists have wondered what is counteracting the force of gravity in the universe.
Math Is Still...
Computer Scientists Establish the Best Way to Traverse a Graph
Dijkstra’s algorithm was long thought to be the most efficient way to find a graph’s best routes....
a month ago
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
Asterisk
How We Can Regulate AI
The chips used to train the most advanced AIs are scarce, expensive, and trackable — giving...
a year ago
The chips used to train the most advanced AIs are scarce, expensive, and trackable — giving regulators a path forward.
The Roots of...
What I’ve been reading, May 2023
This is a monthly feature. As usual, I’ve omitted recent blog posts and such, which you can find in...
a year ago
This is a monthly feature. As usual, I’ve omitted recent blog posts and such, which you can find in my links digests.
John Gall, The Systems Bible (2012), aka Systemantics, 3rd ed. A concise, pithy collection of wisdom about “systems”, mostly human organizations, projects, and...
The Works in...
ARIA: Betting on science
An inside look at Britain's new DARPA
a year ago
An inside look at Britain's new DARPA
Math Is Still...
How Selective Forgetting Can Help AI Learn Better
Erasing key information during training results in machine learning models that can learn new...
9 months ago
Erasing key information during training results in machine learning models that can learn new languages faster and more easily.
The post How Selective Forgetting Can Help AI Learn Better first appeared on Quanta Magazine
Asterisk
Growing Up Overnight
A look at the past few years of LLM progress.
a year ago
A look at the past few years of LLM progress.
The Works in...
Notes on Progress: A tale of two particles
Not all radioactivity is risky or harmful
over a year ago
Not all radioactivity is risky or harmful
Marine Madness
Culture Club: Time to let the cetaceans in?
Up until recently, culture has been thought of as a primarily human characteristic. However, recent...
over a year ago
Up until recently, culture has been thought of as a primarily human characteristic. However, recent studies shine a light on the fact that non-human animals including Cetaceans (dolphins and whales), may also possess it. They live in tightly-knit social communities, exhibit...
The Works in...
What did Henry George think about cities?
Solving the terrible urban conditions of the 1800s by abolishing cities
7 months ago
Solving the terrible urban conditions of the 1800s by abolishing cities
The Roots of...
Accelerating science through evolvable institutions
This is the written version of a talk presented to the Santa Fe Institute at a working group on...
a year ago
This is the written version of a talk presented to the Santa Fe Institute at a working group on “Accelerating Science.”
We’re here to discuss “accelerating science.” I like to start on topics like this by taking the historical view: When (if ever) has science accelerated in the...
Math Is Still...
Never-Repeating Tiles Can Safeguard Quantum Information
Two researchers have proved that Penrose tilings, famous patterns that never repeat, are...
10 months ago
Two researchers have proved that Penrose tilings, famous patterns that never repeat, are mathematically equivalent to a kind of quantum error correction.
The post Never-Repeating Tiles Can Safeguard Quantum Information first appeared on Quanta Magazine
Blog - Practical...
Which Power Plant Does My Electricity Come From?
[Note that this article is a transcript of the video embedded above.]
In June of 2000, the power...
a month ago
[Note that this article is a transcript of the video embedded above.]
In June of 2000, the power shut off across much of the San Francisco Bay area. There simply wasn’t enough electricity to meet demands, so more than a million customers were disconnected in California's largest...
Math Is Still...
A Rosetta Stone for Mathematics
In 1940 André Weil wrote a letter to his sister, Simone, outlining his vision for translating...
7 months ago
In 1940 André Weil wrote a letter to his sister, Simone, outlining his vision for translating between three distinct areas of mathematics. Eighty years later, it still animates many of the most exciting developments in the field.
The post A Rosetta Stone for...
Quantum Frontiers
The power of awe
Mid-afternoon, one Saturday late in September, I forgot where I was. I forgot that I was visiting...
a year ago
Mid-afternoon, one Saturday late in September, I forgot where I was. I forgot that I was visiting Seattle for the second time; I forgot that I’d just finished co-organizing a workshop partially about nuclear physics for the first time. I’d … Continue reading →
Math Is Still...
The Year in Math
Landmark results in Ramsey theory and a remarkably simple aperiodic tile capped a year of...
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
NeuroLogica Blog
T-rex Had Lips
One of the challenges of paleontology is that we are trying to infer and entire animal just from the...
a year ago
One of the challenges of paleontology is that we are trying to infer and entire animal just from the hard parts that fossilize, mostly bones and teeth (and sometimes just teeth). But if we look at animals today there are a lot of details we could not guess from their bones alone...
Out-of-Pocket Blog
Out-Of-Pocket 2021 Predictions | Out-Of-Pocket
the future is easy to predict right
a year ago
the future is easy to predict right
NeuroLogica Blog
About Those Lab Leak Documents
It was recently revealed that the House subcommittee probing the origins of COVID-19 accidentally...
a year ago
It was recently revealed that the House subcommittee probing the origins of COVID-19 accidentally released a “trove” of documents related to their investigations. The documents include e-mails and internal communications among the scientists and experts who put together the first...
Melting Asphalt
Here Be Sermons
I've long turned up my nose at sermons and related forms of mass moralizing. One reason, quite...
over a year ago
I've long turned up my nose at sermons and related forms of mass moralizing. One reason, quite simply, is that they bore me. Honesty good. Violence bad. My eyes glaze over. Empathy, rah! Racism, boo! Please, don't we know this…
Read more ›
Drew Ex Machina
Failure to Launch: The First Moon Race 1958-60
While it has been a few months since I have published a new post on the Drew Ex Machina website,...
a year ago
While it has been a few months since I have published a new post on the Drew Ex Machina website, that doesn’t mean that I haven’t […]
Tikalon Blog by Dev...
Diophantine Equations
Piebald is an unusual word that appears in the Archimedes' cattle problem, a Diophantine problem...
4 months ago
Piebald is an unusual word that appears in the Archimedes' cattle problem, a Diophantine problem supposedly communicated by Archimedes to his friend, Eratosthenes. It's a Diophantine equation system of seven equations in eight unknowns, but it can be solved with the requirement...
Math Is Still...
Cells Across the Body Talk to Each Other About Aging
Biologists discovered that mitochondria in different tissues talk to each other to repair injured...
11 months ago
Biologists discovered that mitochondria in different tissues talk to each other to repair injured cells. When their signal fails, the biological clock starts winding down.
The post Cells Across the Body Talk to Each Other About Aging first appeared on Quanta Magazine
IEEE Spectrum
Assistive Tech at the End of Sight
Seeing his words on the printed page is a big deal to Andrew Leland—as it is to all writers. But the...
a year ago
Seeing his words on the printed page is a big deal to Andrew Leland—as it is to all writers. But the sight of his thoughts in written form is much more precious to him than to most scribes. Leland is gradually losing his vision due to a congenital condition called retinitis...
The Works in...
Does higher density cause lower birth rates?
Assessing one recent claim that it does
7 months ago
Assessing one recent claim that it does
ToughSF
Moto-Orion: Mechanized Nuclear Pulse Propulsion
The Orion nuclear pulse propulsion concept has been around for over six decades now. It is powerful...
over a year ago
The Orion nuclear pulse propulsion concept has been around for over six decades now. It is powerful and robust, but lacks the flexibility and features we expect from many more modern designs.
Can we give it those additional capabilities?
That cutaway is one of Matthew Paul...
Out-of-Pocket Blog
Decentralizing Journals and Peer Review DAOs | Out-Of-Pocket
the evolution of legitimacy in scientific publishing
a year ago
the evolution of legitimacy in scientific publishing
Cremieux Recueil
Woke Madness
Why do more left-wing individuals tend to be more mentally ill?
3 months ago
Why do more left-wing individuals tend to be more mentally ill?
The Works in...
The Power of the Earth
On the future of geothermal energy
10 months ago
On the future of geothermal energy
brr
Snowdrifts
4 days of blown snow into a doorway.
a year ago
4 days of blown snow into a doorway.
Asterisk
The Next Revolution in Animal Agriculture
The technologies of precision livestock farming could reshape animal agriculture. How will that go...
5 months ago
The technologies of precision livestock farming could reshape animal agriculture. How will that go for the animals?
NeuroLogica Blog
Evidence and the Nanny State Part II
In Part I of this post I outlined some basic considerations in deciding how much the state should...
a year ago
In Part I of this post I outlined some basic considerations in deciding how much the state should impose regulations on people and institutions in order to engineer positive outcomes. In the end the best approach, it seems to me, is a balanced one, where we consider the burden of...
NeuroLogica Blog
Are Animals Conscious?
This is a great scientific question because it challenges how we ask and answer scientific...
6 months ago
This is a great scientific question because it challenges how we ask and answer scientific questions. Are animals conscious? This is a question discussed in a recent BBC article that peaked my interest. They eventually get to a question that they should have opened with – how do...
Eukaryote Writes...
Recommendation: reports on the search for missing hiker Bill Ewasko
How to find someone who has died in the wilderness.
4 months ago
How to find someone who has died in the wilderness.
Inverted Passion
You can’t jail an AI
Here’s why I worry about AI. We know that people can get away with anything to pursue their goals...
7 months ago
Here’s why I worry about AI. We know that people can get away with anything to pursue their goals (of profit, power, etc.) as long as they know they can get away with it, without negative consequences. We have had Hitlers, and insider traders. But the world keeps them in check...
Out-of-Pocket Blog
ARISE ERISA | Out-Of-Pocket
Levity in the time of Coronavirus
a year ago
Levity in the time of Coronavirus
Blog - Practical...
The Hidden Engineering of Landfills
[Note that this article is a transcript of the video embedded above.]
This is the Puente Hills...
3 months ago
[Note that this article is a transcript of the video embedded above.]
This is the Puente Hills Landfill outside of Los Angeles, California. The first truckload of trash was dumped here in 1957, and the trucks just kept coming. For more than five decades, if you threw something...
NeuroLogica Blog
Finding Small Primordial Black Holes
Astrophysicists come up with a lot of whacky ideas, some of which actually turn out to be possibly...
2 weeks ago
Astrophysicists come up with a lot of whacky ideas, some of which actually turn out to be possibly true (like the Big Bang, black holes, accelerating cosmic expansion, dark matter). Of course, all of these conclusions are provisional, but some are now backed by compelling...
symmetry magazine
Life along the future DUNE beamline
Unseen neutrinos, visible lives: A photographer journeys through the Midwest.
a year ago
Unseen neutrinos, visible lives: A photographer journeys through the Midwest.
brr
Polar Night
Surreal and otherworldly.
a year ago
Surreal and otherworldly.
Wanderingspace
Webb’s Jupiter
So this is “false color” becuase it is infrared (like all Webb images) and made from only two...
over a year ago
So this is “false color” becuase it is infrared (like all Webb images) and made from only two filters orange and cyan. However, the detail is incredible. That dot is tiny Amalthea at the left and— yes… that is Jupiter’s elusive ring. According to researcher Thierry Fouchet, “This...
IEEE Spectrum
Edith Clarke: Architect of Modern Power Distribution
Edith Clarke was a powerhouse in practically every sense of the word. From the start of her career...
5 months ago
Edith Clarke was a powerhouse in practically every sense of the word. From the start of her career at General Electric in 1922, she was determined to develop stable, more reliable power grids.
During her first years at GE she invented what came to be known as the Clarke...
NeuroLogica Blog
Power-To-X and Climate Change Policy
What is Power-to-X (PtX)? It’s just a fancy marketing term for green hydrogen – using green energy,...
2 weeks ago
What is Power-to-X (PtX)? It’s just a fancy marketing term for green hydrogen – using green energy, like wind, solar, nuclear, or hydroelectric, to make hydrogen from water. This process does not release any CO2, just oxygen, and when the hydrogen is burned back with that oxygen...
Math Is Still...
To Defend the Genome, These Cells Destroy Their Own DNA
Under a microscope, cells in a worm embryo deliberately eliminated one-third of their genome — an...
a year ago
Under a microscope, cells in a worm embryo deliberately eliminated one-third of their genome — an uncompromising tactic that may combat harmful genetic parasites.
The post To Defend the Genome, These Cells Destroy Their Own DNA first appeared on Quanta Magazine
IEEE Spectrum
Inside the Three-Way Race to Create the Most Widely Used Laser
The semiconductor laser, invented more than 60 years ago, is the foundation of many of today’s...
5 months ago
The semiconductor laser, invented more than 60 years ago, is the foundation of many of today’s technologies including barcode scanners, fiber-optic communications, medical imaging, and remote controls. The tiny, versatile device is now an IEEE Milestone.
The possibilities of...
NeuroLogica Blog
Are Electric Vehicles Worth It
One of the key components of the plan to get our civilization to net zero by 2050 is to transform...
a year ago
One of the key components of the plan to get our civilization to net zero by 2050 is to transform the motor vehicle fleet into all electric vehicles (EVs). This is a worthy goal, as it would eliminate burning gasoline for transportation. In fact it’s necessary if we want to get...
Blog - Practical...
How the Hawaiian Power Grid Works
[Note that this article is a transcript of the video embedded above.]
In January of 2024, right on...
9 months ago
[Note that this article is a transcript of the video embedded above.]
In January of 2024, right on the heels of a serious drought across the state, a major storm slammed into the Hawaiian islands of Oahu and Kauai. Severe winds caused damage to buildings, and heavy rain flooded...
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
everything you need to know about EMRs, healthcare data standards, and integrations
The Works in...
The ultra-selfish gene
Genetically modifying malaria-carrying mosquitoes could allow us to wipe out humanity’s most deadly...
a month ago
Genetically modifying malaria-carrying mosquitoes could allow us to wipe out humanity’s most deadly killer.
Andrew Fraknoi –...
Caves on Mars
Recently, in social media posts, Dr. Pascal Lee of the SETI Institute discussed the intriguing caves...
4 weeks 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...
The Works in...
Issue 13: Deep heat
Plus: the cocktail revolution, how war improved European states, and the mathematical basis of the...
a year ago
Plus: the cocktail revolution, how war improved European states, and the mathematical basis of the Industrial Revolution
NeuroLogica Blog
Coaching with Empathy
The show Ted Lasso is about to wrap up its final season. I am one of the many people who really...
a year ago
The show Ted Lasso is about to wrap up its final season. I am one of the many people who really enjoy the show, which turns on a group of likable people helping each other through various life challenges with care and empathy. Lasso is an American college football coach who was...
Uncharted...
The Moral Case for More People on Earth
Today we’re going to cover four points that have emerged from the last few articles on growing our...
3 weeks ago
Today we’re going to cover four points that have emerged from the last few articles on growing our population, but which I haven’t covered yet:
Beautiful Public...
The Pillbox Database
The National Library of Medicine's Pillbox dataset contained 8,693 photographs of pills, with an...
over a year ago
The National Library of Medicine's Pillbox dataset contained 8,693 photographs of pills, with an accompanying database of drug information. It was built to help with the identification of unknown pills.
IEEE Spectrum
The Incredible Story Behind the First Transistor Radio
But that’s pretty much what Pat Haggerty, vice president of Texas Instruments, did in 1954. The...
2 months ago
But that’s pretty much what Pat Haggerty, vice president of Texas Instruments, did in 1954. The result was the
Regency TR-1, the world’s first commercial transistor radio, which debuted 70 years ago this month. The engineers delivered on Haggerty’s audacious goal, and I...
Uncharted...
6 Questions You Asked Yourself about Solar
How fast will it take over, how fast are costs shrinking, why is it so cheap, what industries will...
a month ago
How fast will it take over, how fast are costs shrinking, why is it so cheap, what industries will it birth, how much surface will it take up, where will it appear first?
NeuroLogica Blog
ChatGPT Almost Passes Medical Licensure Exams
The emergence of several AI applications for public use, such as Dalle-2, Midjourney, and ChatGPT,...
a year ago
The emergence of several AI applications for public use, such as Dalle-2, Midjourney, and ChatGPT, had made AI one of the biggest science news items of the past year. I have written about it here extensively myself, and have been using these applications extensively to get a feel...
Asterisk
Read This, Not That: The Hidden Cost of Nutrition Misinformation
Our daily lives are inundated with misleading claims about nutrition. That’s not just distracting —...
a year ago
Our daily lives are inundated with misleading claims about nutrition. That’s not just distracting — it’s also harming our health.
Asterisk
Democracy by Mistake
Most political scientists see democracy as the natural consequence of economic development or the...
10 months ago
Most political scientists see democracy as the natural consequence of economic development or the result of strategic and rational choice. A detailed look through history suggests democracy emerges as often as not by another path: human error.
The Works in...
Where inflation comes from
How we calculate inflation has always been contested with small changes leading to large differences...
a month ago
How we calculate inflation has always been contested with small changes leading to large differences in how well-off we think we are.
Math Is Still...
Why the Brain’s Connections to the Body Are Crisscrossed
In all bilaterally symmetrical animals, from humans down to simple worms, nerves cross from one side...
a year ago
In all bilaterally symmetrical animals, from humans down to simple worms, nerves cross from one side of the body to the opposite side of the brain. Geometry may explain why.
The post Why the Brain’s Connections to the Body Are Crisscrossed first appeared on Quanta...
NeuroLogica Blog
A Galaxy Without Dark Matter
Dark matter is one of the greatest current scientific mysteries. It’s a fascinating story playing...
a year ago
Dark matter is one of the greatest current scientific mysteries. It’s a fascinating story playing out in real time, although over years, so you have to be patient. Future generations might be able to binge the dark matter show, but not us. We have to wait for each episode to...
Math Is Still...
Insects and Other Animals Have Consciousness, Experts Declare
A group of prominent biologists and philosophers announced a new consensus: There’s “a realistic...
8 months ago
A group of prominent biologists and philosophers announced a new consensus: There’s “a realistic possibility” that insects, octopuses, crustaceans, fish and other overlooked animals experience consciousness.
The post Insects and Other Animals Have Consciousness,...
Eukaryote Writes...
A point of clarification on infohazard terminology
“Infohazard” means any kind of information that could be harmful in some fashion. Let’s use “memetic...
over a year ago
“Infohazard” means any kind of information that could be harmful in some fashion. Let’s use “memetic hazard” to describe information that could specifically harm the person who knows it.
Explorations of an...
Argentina!
Laura and I landed in Buenos Aires on the morning of January 9, a little bleary-eyed and feeling the...
a year ago
Laura and I landed in Buenos Aires on the morning of January 9, a little bleary-eyed and feeling the effects from the three flights and two layovers. But we had made it. Nearly six years had passed since I last visited Buenos Aires. It had been the final port of call on my...
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
[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...
Math Is Still...
How Can Math Help Beat Cancer?
Cancer treatment has come a long way in recent decades. But finding the best course of treatment for...
2 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,...
NeuroLogica Blog
Framing and Global Warming
When we talk publicly about the effects of human activity on the climate should we refer to “global...
4 months ago
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...
nanoscale views
The difficult need for creativity on demand
Thoughts at the end of another busy year…. Good science is a creative enterprise. Some stereotypes...
a year ago
Thoughts at the end of another busy year…. Good science is a creative enterprise. Some stereotypes paint most scientists as toiling away, so deeply constrained by logic that they function more like automatons grinding out the next incremental advance in a steady if slow march of...
Out-of-Pocket Blog
Transforming Healthcare Data with Tuva Health | Out-Of-Pocket
The nitty, gritty, and shitty of working with health data
a year ago
The nitty, gritty, and shitty of working with health data
Beautiful Public...
The Army and Navy Style Guides
These fascinating Army and Navy brand style guides define the look, feel and voice of our armed...
a year ago
These fascinating Army and Navy brand style guides define the look, feel and voice of our armed forces.
The Roots of...
Can submarines swim?
Did any science fiction predict that when AI arrived, it would be unreliable, often illogical, and...
a year ago
Did any science fiction predict that when AI arrived, it would be unreliable, often illogical, and frequently bullshitting? Usually in fiction, if the AI says something factually incorrect or illogical, that is a deep portent of something very wrong: the AI is sick, or turning...
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...
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...
Math Is Still...
What Has the Pandemic Taught Us About Vaccines?
Should Covid-19 vaccines be judged by how well they prevent disease or how well they prevent death?...
a year ago
Should Covid-19 vaccines be judged by how well they prevent disease or how well they prevent death? Anna Durbin, a public health expert and vaccine researcher, talks with Steven Strogatz about the science behind vaccines.
The post What Has the Pandemic Taught Us About...
The Roots of...
Do we get better or worse at adapting to change?
Verner Vinge, in a classic 1993 essay, described “the Singularity” as an era where progress becomes...
a year ago
Verner Vinge, in a classic 1993 essay, described “the Singularity” as an era where progress becomes “an exponential runaway beyond any hope of control.”
The idea that technological change might accelerate to a pace faster than we can keep up with is a common concern. Almost three...
Uncharted...
Wind and Solar, a Perfect Match
Also, why solar will beat wind, why they are so complementary, the nuclear renaissance, the poor...
a month ago
Also, why solar will beat wind, why they are so complementary, the nuclear renaissance, the poor state of German energy, and more.
Inverted Passion
Why time seems to pass faster as we age
1/ I’ve been mega-obsessed with this feeling. A year as a 36-year-old seems so much shorter as...
9 months ago
1/ I’ve been mega-obsessed with this feeling. A year as a 36-year-old seems so much shorter as compared to when I was a kid or even as a teen. It seems cosmically unfair – we have fewer years to live, and each year flies by faster. 2/ But, why is that happening? My tentative...
Math Is Still...
Can Space-Time Be Saved?
Curious connections between physics and math suggest to Latham Boyle that space-time may survive the...
2 months ago
Curious connections between physics and math suggest to Latham Boyle that space-time may survive the jump to the next theory of reality.
The post Can Space-Time Be Saved? first appeared on Quanta Magazine
NeuroLogica Blog
Apologizing for Uri Geller
A recent New York Times article tries to rehabilitate the reputation of Uri Geller, famed...
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...
Marine Madness
Farming Fiasco: The world’s first commercial octopus breeding programme
It seems ironic that shortly after an amendment to the Animal Welfare (Sentience) Bill stating...
over a year ago
It seems ironic that shortly after an amendment to the Animal Welfare (Sentience) Bill stating octopuses to be ‘sentient beings’ capable of a range of human-like emotions such as joy, pleasure, excitement, as well as pain, distress, and harm, plans of the word’s first commercial...
Out-of-Pocket Blog
Patient Communities Should Change | Out-Of-Pocket
Evolving from ads to outcomes
a year ago
Evolving from ads to outcomes
nanoscale views
Intriguing papers - exquisite thermal measurements + automated materials discovery/synthesis
It's a busy time, but I wanted to point out a couple of papers from this past week.
First, I want...
a year ago
It's a busy time, but I wanted to point out a couple of papers from this past week.
First, I want to point to this preprint on the arxiv, where the Weizmann folks do an incredibly technically impressive thing. I'd written recently about the thermal Hall effect, when a...
ToughSF
Inter-Orbital Kinetic Energy Exchanges: Part I
Electrical power can be transferred between planets using high velocity masses. Kinetic Energy...
over a year ago
Electrical power can be transferred between planets using high velocity masses. Kinetic Energy Exchanges are an efficient concept that can output more energy than it consumes and only gets better with distance.
Guest writer Zerraspace (Zach Hajj) works out the details and...
NeuroLogica Blog
Accusation of Mental Illness as a Political Strategy
I am not the first to say this but it bears repeating – it is wrong to use the accusation of a...
3 months ago
I am not the first to say this but it bears repeating – it is wrong to use the accusation of a mental illness as a political strategy. It is unfair, stigmatizing, and dismissive. Thomas Szasz (let me say straight up – I am not a Szaszian) was a psychiatrist who made it his...
Asterisk
All Aboard the Bureaucracy Train
The United States has the most expensive transportation infrastructure in the world. That’s because...
10 months ago
The United States has the most expensive transportation infrastructure in the world. That’s because we refuse to learn from experts, other countries, and our own history.
Math Is Still...
Math That Goes On Forever but Never Repeats
Simple math can help explain the complexities of the newly discovered aperiodic monotile. ...
a year ago
Simple math can help explain the complexities of the newly discovered aperiodic monotile.
The post Math That Goes On Forever but Never Repeats first appeared on Quanta Magazine
IEEE Spectrum
The Battle for Better, Broader, More Inclusive AI
AI’s inclusivity problem is no secret. According to the ACLU, AI systems can perpetuate housing...
10 months ago
AI’s inclusivity problem is no secret. According to the ACLU, AI systems can perpetuate housing discrimination and bias in the justice system, among other harms. Bias in the data an AI model relies on is reproduced in its results.
Large Language Models (LLMs) share this problem;...
nanoscale views
What is a spin glass?
As mentioned previously, structural glasses are materials in which there is no periodic lattice (no...
a year ago
As mentioned previously, structural glasses are materials in which there is no periodic lattice (no long-range spatial order) and the building blocks get "stuck" in some configuration, kinetically unable to get to the true energetic minimum state which would almost certainly be a...
ToughSF
NTER: Nuclear Thermal-Electric Rocket
There
is a type of nuclear propulsion that can have most of the acceleration of a nuclear thermal...
over a year ago
There
is a type of nuclear propulsion that can have most of the acceleration of a nuclear thermal rocket but also the high Isp of an electric thruster.
Let’s have a look at nuclear ‘thermal-electric’ engines and
their advantages.
The title image is from 'dV: Rings of...
Out-of-Pocket Blog
GTFO Employers | Out-Of-Pocket
Back To The Future
a year ago
Articles - Chris...
My $500M Mars Rover Mistake: A Failure Story
Some mistakes feel worse than death.
a year ago
Some mistakes feel worse than death.
IEEE Spectrum
How Tech Automated the January 6 Investigations
Josh Coker’s Facebook page doesn’t show any MAGA memes or Trump quotes. He wasn’t live-streaming on...
11 months ago
Josh Coker’s Facebook page doesn’t show any MAGA memes or Trump quotes. He wasn’t live-streaming on 6 January 2021, and no one has ever stepped forward to identify him as one of the mob that stormed the US Capitol that day.
Oregon, Ohio, with five counts connected to the failed...
NeuroLogica Blog
Controlling the Narrative with AI
There is an ongoing battle in our society to control the narrative, to influence the flow of...
10 months ago
There is an ongoing battle in our society to control the narrative, to influence the flow of information, and thereby move the needle on what people think and how they behave. This is nothing new, but the mechanisms for controlling the narrative are evolving as our communication...
Eukaryote Writes...
Eukaryote in Asterisk Magazine + New Patreon Per-post setup
Eukaryote elsewhere I have an article in the latest issue of Asterisk Magazine. After you get really...
a year ago
Eukaryote elsewhere I have an article in the latest issue of Asterisk Magazine. After you get really deep into the weeds of invertebrate sentience and fish welfare and the scale of factory farming, what do you do with that information vis-a-vis what you feel comfortable eating?...
Math Is Still...
How Will We Know We’re Not Alone?
The first planet beyond our solar system was identified just 30 years ago. Since then, thousands...
3 days ago
The first planet beyond our solar system was identified just 30 years ago. Since then, thousands have been found and characterized. As we look for more, exoplanet experts are also probing for signs of alien biospheres hundreds of light-years away. In this episode, co-host Janna...
Wanderingspace
URANUS FROM THE JAMES WEBB SPACE TELESCOPE
This is not natural light, nothing is from Webb. The infrared image combines data from two filters...
a year ago
This is not natural light, nothing is from Webb. The infrared image combines data from two filters which are shown in blue and orange,. The planet displays a blue hue in the resulting representative-color image which is similar to the planet’s actual color. But in reality Uranus...
Many Worlds
The Moon Rush Is On. Are We on Earth Ready For That?
An Indian spacecraft landed on the moon this month and a pioneering Japanese lunar lander is...
a year ago
An Indian spacecraft landed on the moon this month and a pioneering Japanese lunar lander is awaiting an imminent launch. A Russian craft trying to land in the same area — the southern polar region — recently crashed, as did a private effort by a joint Japanese-United Arab...
Stephen Wolfram...
What’s Really Going On in Machine Learning? Some Minimal Models
The Mystery of Machine Learning It’s surprising how little is known about the foundations of machine...
4 months ago
The Mystery of Machine Learning It’s surprising how little is known about the foundations of machine learning. Yes, from an engineering point of view, an immense amount has been figured out about how to build neural nets that do all kinds of impressive and sometimes almost...
Math Is Still...
A Triplet Tree Forms One of the Most Beautiful Structures in Math
The Markov numbers reveal the secrets of irrational numbers and the patterns of the Fibonacci...
a year ago
The Markov numbers reveal the secrets of irrational numbers and the patterns of the Fibonacci sequence. But there’s one question about them that has resisted proof for over a century.
The post A Triplet Tree Forms One of the Most Beautiful Structures in Math first...
Blog - Practical...
HEAVY CONSTRUCTION of a Sewage Pump Station - Ep 4
This is the fourth episode of a five-part pilot series to gauge your interest in "How It's...
a year ago
This is the fourth episode of a five-part pilot series to gauge your interest in "How It's Made"-esque heavy construction videos. Drop a comment or send me an email to let me know what you think! Watch on YouTube above or ad-free on Nebula here.
Drew Ex Machina
NASA’s Viking Mission & The Search for Life on Mars: The Experiments
For young space enthusiasts like myself growing up in the 1970s, NASA’s Viking mission to Mars was...
over a year ago
For young space enthusiasts like myself growing up in the 1970s, NASA’s Viking mission to Mars was one of the more exciting and memorable. The Viking […]
NeuroLogica Blog
Oxygen As A Technosignature
This is one of the biggest thought experiments in science today – as we look for life elsewhere in...
11 months ago
This is one of the biggest thought experiments in science today – as we look for life elsewhere in the universe, what should we be looking for, exactly? Other stellar systems are too far away to examine directly, and even our most powerful telescopes can only resolve points of...
nanoscale views
APS March Meeting 2024, Day 3
My highlights today are a bit thin, because I was fortunate enough to spend time catching up with...
9 months ago
My highlights today are a bit thin, because I was fortunate enough to spend time catching up with collaborators and old friends, but here goes:
Pedram Roushan from Google gave an interesting talk about noisy intermediate-scale quantum experiments for simulation. He showed some...
NeuroLogica Blog
Another UFO Whistleblower
How seriously should we take the claims of David Grusch? He is an airforce veteran and former member...
a year ago
How seriously should we take the claims of David Grusch? He is an airforce veteran and former member of the UAP (unidentified aerial phenomena) task force, which is enough to at least hear him out. He gave an exclusive interview to journalist Ross Coulthart from NewsNation, part...
Explorations of an...
A Rare Hummingbird Twitch In Ecuador
October 22, 2023
I recently returned from Ecuador where I had spent the previous couple of weeks....
a year ago
October 22, 2023
I recently returned from Ecuador where I had spent the previous couple of weeks. The main purpose of the trip was to lead a tour for Worldwide Quest to the Galápagos archipelago, but I made some time for a little extra-curricular birding as well. If I was going...
Chris Grossack's...
Talk -- What is Algebraic Geometry and Why Should You Care?
So an embarrassing amount of time ago (Feburary 17?) I gave a talk for the
undergraduate math club...
a year ago
So an embarrassing amount of time ago (Feburary 17?) I gave a talk for the
undergraduate math club titled
“What is Algebraic Geometry, and Why Should You Care?”. I think it went quite
well, and the audience seemed like they had a good time. I really wanted to
have the talk...
Math Is Still...
Meet Strange Metals: Where Electricity May Flow Without Electrons
For 50 years, physicists have understood current as a flow of charged particles. But a new...
a year ago
For 50 years, physicists have understood current as a flow of charged particles. But a new experiment has found that in at least one strange material, this understanding falls apart.
The post Meet Strange Metals: Where Electricity May Flow Without Electrons first...
Blog - Practical...
Why Are Cooling Towers Shaped Like That?
[Note that this article is a transcript of the video embedded above.]
This is not smoke. And this...
a month ago
[Note that this article is a transcript of the video embedded above.]
This is not smoke. And this isn’t a smoke stack (at least not the kind we normally think of). It serves a totally different purpose at a power plant than smoke stacks whose job is moving combustion products...
Math Is Still...
In New Paradox, Black Holes Appear to Evade Heat Death
The puzzling behavior of black hole interiors has led researchers to propose a new physical law: the...
a year ago
The puzzling behavior of black hole interiors has led researchers to propose a new physical law: the second law of quantum complexity.
The post In New Paradox, Black Holes Appear to Evade Heat Death first appeared on Quanta Magazine
IEEE Spectrum
Sci-fi and Hi-fi
Many a technologist has been inspired by science fiction. Some have even built, or rebuilt, entire...
9 months ago
Many a technologist has been inspired by science fiction. Some have even built, or rebuilt, entire companies around an idea introduced in a story they read, as the founders of Second Life and Meta did, working from the metaverse as imagined by Neal Stephenson in his seminal 1992...
IEEE Spectrum
RCA’s Lucite Phantom Teleceiver Introduced the Idea of TV
addressed a small crowd outside the RCA pavilion at the New York World’s Fair. “Today we are on the...
a year ago
addressed a small crowd outside the RCA pavilion at the New York World’s Fair. “Today we are on the eve of launching a new industry, based on imagination, on scientific research and accomplishment,” he proclaimed. That industry was television.
RCA president David Sarnoff’s...
NeuroLogica Blog
Superconducting Kagome Metals
Superconductivity is an extremely interesting, and potentially extremely useful, physical...
3 months ago
Superconductivity is an extremely interesting, and potentially extremely useful, physical phenomenon. It refers to a state in which current flows through a material without resistance, and therefore without any loss of energy or waste heat. As our civilization is increasingly run...
NeuroLogica Blog
JET Fusion Experiment Sets New Record
Don’t get excited. It’s always nice to see incremental progress being made with the various fusion...
10 months ago
Don’t get excited. It’s always nice to see incremental progress being made with the various fusion experiments happening around the world, but we are still a long way off from commercial fusion power, and this experiment doesn’t really bring us any close, despite the headlines....
nanoscale views
Power and computing
The Wall Street Journal last week had an article (sorry about the paywall) titled "There’s Not...
7 months ago
The Wall Street Journal last week had an article (sorry about the paywall) titled "There’s Not Enough Power for America’s High-Tech Ambitions", about how there is enormous demand for more data centers (think Amazon Web Services and the like), and electricity production can't...
Math Is Still...
If the Universe Is a Hologram, This Long-Forgotten Math Could Decode It
A 1930s-era breakthrough is helping physicists understand how quantum threads could
weave together...
2 months ago
A 1930s-era breakthrough is helping physicists understand how quantum threads could
weave together into a holographic space-time fabric.
The post If the Universe Is a Hologram, This Long-Forgotten Math Could Decode It first appeared on Quanta Magazine
Math Is Still...
Mathematicians Prove Hawking Wrong About the Most Extreme Black Holes
For decades, extremal black holes were considered mathematically impossible. A new proof reveals...
4 months ago
For decades, extremal black holes were considered mathematically impossible. A new proof reveals otherwise.
The post Mathematicians Prove Hawking Wrong About the Most Extreme Black Holes first appeared on Quanta Magazine
NeuroLogica Blog
Some Climate Change Trends and Thoughts
Climate change is a challenging issue on multiple levels – it’s challenging for scientists to...
2 weeks ago
Climate change is a challenging issue on multiple levels – it’s challenging for scientists to understand all of the complexities of a changing climate, it’s difficult to know how to optimally communicate to the public about climate change, and of course we face an enormous...
The Works in...
The End of Combustion Vehicles
The final section of Ch.2 of Stewart Brand's Maintenance on Books in Progress
a year ago
The final section of Ch.2 of Stewart Brand's Maintenance on Books in Progress
Chris Grossack's...
Monoidal Monoidoidoids
So I was on the nlab the other day, and I saw a fantastic joke:
A 2-category is “just” a monoidal...
over a year ago
So I was on the nlab the other day, and I saw a fantastic joke:
A 2-category is “just” a monoidal monoidoidoid! Here’s a screenshot
in case the nlab page for 2-categories changes someday:
There’s a thing called the Category Theorist’s “Just”, which describes
the joy that many...
nanoscale views
Postdoctoral opportunities at Rice
I will be sending some emails shortly, but I wanted to point out postdoctoral opportunities here at...
a year ago
I will be sending some emails shortly, but I wanted to point out postdoctoral opportunities here at Rice University.
The Smalley-Curl Institute is having a competition for two two-year postdoctoral fellow slots. Click on the link for the details. The requirements for a...
symmetry magazine
A call to cite Black women and gender minorities
Theoretical astrophysicist Chanda Prescod-Weinstein recently unveiled the Cite Black Women+ in...
a year ago
Theoretical astrophysicist Chanda Prescod-Weinstein recently unveiled the Cite Black Women+ in Physics and Astronomy Bibliography.
Quantum Frontiers
The rain in Portugal
My husband taught me how to pronounce the name of the city where I’d be presenting a talk late last...
10 months ago
My husband taught me how to pronounce the name of the city where I’d be presenting a talk late last July: Aveiro, Portugal. Having studied Spanish, I pronounced the name as Ah-VEH-roh, with a v partway to a hard b. … Continue reading →
symmetry magazine
Searching for the matter that hides its shine
Just because matter is visible doesn’t mean it’s easy to see.
a year ago
Just because matter is visible doesn’t mean it’s easy to see.
NeuroLogica Blog
Possible Sign of Life on Exoplanet
The James Webb Space Telescope spectroscopic analysis of K2-18b, an exoplanet 124 light years from...
a year ago
The James Webb Space Telescope spectroscopic analysis of K2-18b, an exoplanet 124 light years from Earth, shows signs that the atmosphere may contain dimethyl sulphide (DMS). This finding is more impressive when you know that DMS on Earth is only produced by living organisms, not...
Out-of-Pocket Blog
Answers: How Much Info Should A Patient Get? | Out-Of-Pocket
do we need our physicians to be interpreters?
a year ago
do we need our physicians to be interpreters?
Math Is Still...
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...
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
Blog - Practical...
How This Bridge Was Rebuilt in 15 Days After Hurricane Ian
[Note that this article is a transcript of the video embedded above.]
On September 28, 2022,...
over a year ago
[Note that this article is a transcript of the video embedded above.]
On September 28, 2022, Hurricane Ian made landfall on the western coast of Florida as a Category 4 storm, bringing enormous volumes of rainfall and extreme winds to the state. Ian was the deadliest hurricane to...
Math Is Still...
What Makes for ‘Good’ Mathematics?
Terence Tao, who has been called the “Mozart of Mathematics,” wrote an essay in 2007 about the...
10 months ago
Terence Tao, who has been called the “Mozart of Mathematics,” wrote an essay in 2007 about the common ingredients in “good” mathematical research. In this episode, the Fields Medalist joins Steven Strogatz to revisit the topic.
The post What Makes for ‘Good’...
Chris Grossack's...
Life in Johnstone's Topological Topos 3 -- Bonus Axioms
In the first post of the series, we talked about what the topological
topos is, and how we can...
5 months ago
In the first post of the series, we talked about what the topological
topos is, and how we can think about its objects (and, importantly,
how we can relate computations in the topos $\mathcal{T}$ to
computations with topological spaces in “the real world”). In part two,
we...
nanoscale views
The fusion story of the day
There is a press conference going on right now announcing a breakthrough at the National Ignition...
over a year ago
There is a press conference going on right now announcing a breakthrough at the National Ignition Facility at Livermore. The NIF is an inertial confinement fusion facility that uses 192 laser beams to compress a fuel pellet containing deuterium and tritium. The pellet is...
brr
South Pole Signage
Please close doors quietly!
a year ago
Please close doors quietly!
Math Is Still...
Strangely Curved Shapes Break 50-Year-Old Geometry Conjecture
Mathematicians have disproved a major conjecture about the relationship between curvature and shape....
7 months ago
Mathematicians have disproved a major conjecture about the relationship between curvature and shape.
The post Strangely Curved Shapes Break 50-Year-Old Geometry Conjecture first appeared on Quanta Magazine
Asterisk
When RAND Made Magic in Santa Monica
RAND’s halcyon days lasted two decades, during which the corporation produced some of the most...
6 months ago
RAND’s halcyon days lasted two decades, during which the corporation produced some of the most influential developments in science and American foreign policy. So how did it become just another think tank?
IEEE Spectrum
The Invention That Let Fiber Optics Span the Globe
Plenty of big stories from the year 1985 had their moment in the sun and are now all but forgotten:...
a year ago
Plenty of big stories from the year 1985 had their moment in the sun and are now all but forgotten: New Coke, “We Are the World,” the rise of desktop publishing. But one at-the-time obscure invention from that year has long eclipsed the frothy headlines of its time, because it...
Asterisk
Why We Shut Down
In international development, it’s not enough to try to do good. We need the tools to tell if a...
5 months ago
In international development, it’s not enough to try to do good. We need the tools to tell if a project is really working — and the incentive to end it if it’s not.
nanoscale views
Recent papers to distract....
Time for blogging has continued to be scarce, but here are a few papers to distract (and for readers...
a month ago
Time for blogging has continued to be scarce, but here are a few papers to distract (and for readers who are US citizens: vote if you have not already done so!).
Reaching back, this preprint by Aharonov, Collins, Popescu talks about a thought experiment in which angular...
nanoscale views
The wormhole kerfuffle, ER=EPR, and all that
I was busy trying to finish off a grant proposal and paper revisions this week and didn't have the...
over a year ago
I was busy trying to finish off a grant proposal and paper revisions this week and didn't have the time to react in realtime to the PR onslaught surrounding the recent Nature paper by a team from Harvard, MIT, Fermilab, and Google. There are many places to get caught up on this,...
Math Is Still...
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....
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
Math Is Still...
Can Psychedelics Improve Mental Health?
Research suggests that psychedelic drugs can reopen critical periods of brain development to create...
6 months ago
Research suggests that psychedelic drugs can reopen critical periods of brain development to create opportunities for re-learning and psychological healing. In this episode, co-host Janna Levin speaks with Gül Dölen, a neuroscientist studying the therapeutic potential of...
Out-of-Pocket Blog
AI in healthcare - defensibility, capabilities, and cost reduction | Out-Of-Pocket
7 months ago
pcloadletter
Agile is a tainted term
Oh no, not another agile article.
But at least this one isn't attempting to teach or reconcile. I'm...
10 months ago
Oh no, not another agile article.
But at least this one isn't attempting to teach or reconcile. I'm not going to talk about the difference between agile and Agile™ nor will I try to convince you of my favorite flavor of Agile™.
Instead, I'm here to assert that agile is a tainted...
NeuroLogica Blog
Dog Soundboards
I am a lifelong dog owner, and like many dog owners am often impressed with how smart my dogs have...
3 months ago
I am a lifelong dog owner, and like many dog owners am often impressed with how smart my dogs have been. They pick up on subtle body language and non-verbal cues, they seem to understand specific words, and they are capable of successfully communicating their wants and desires....
Explorations of an...
Heading East Into The Atlantic Forest
The Atlantic Forest (Mata Atlântica in Portuguese) stretches across the southeastern coastal region...
a year ago
The Atlantic Forest (Mata Atlântica in Portuguese) stretches across the southeastern coastal region of Brazil, reaching inland as far as southeastern Paraguay and northeastern Argentina. In broad terms, the Atlantic Forest is formed and continues to be maintained by...
Math Is Still...
In Highly Connected Networks, There’s Always a Loop
Mathematicians show that graphs of a certain common type must contain a route that visits each point...
6 months ago
Mathematicians show that graphs of a certain common type must contain a route that visits each point exactly once.
The post In Highly Connected Networks, There’s Always a Loop first appeared on Quanta Magazine
Blog - Practical...
How Fish Survive Hydro Turbines
[Note that this article is a transcript of the video embedded above.]
Most of the largest dams in...
9 months ago
[Note that this article is a transcript of the video embedded above.]
Most of the largest dams in the US were built before we really understood the impacts they would have on river ecosystems. Or at least they were built before we were conscientious enough to weigh those impacts...
IEEE Spectrum
The Saga of AD-X2, the Battery Additive That Roiled the NBS
Senate hearings, a post office ban, the resignation of the director of the National Bureau of...
4 months ago
Senate hearings, a post office ban, the resignation of the director of the National Bureau of Standards, and his reinstatement after more than 400 scientists threatened to resign. Who knew a little box of salt could stir up such drama?
What was AD-X2?
It all started in 1947 when...
Out-of-Pocket Blog
How Value-Based Care Contracting Works with Accorded | Out-Of-Pocket
With calculators and contracts you can see yourself
a year ago
With calculators and contracts you can see yourself
nanoscale views
A couple of links + a thought experiment about spin
A couple of interesting things to read:
As someone interested in lost ancient literature and also...
10 months ago
A couple of interesting things to read:
As someone interested in lost ancient literature and also science, I really liked this news article from Nature about progress in reading scrolls excavated from Herculaneum. The area around the Bay of Naples was a quite the spot for posh...
NeuroLogica Blog
Nuclear Microreactors
The first nuclear powered vessel was completed in 1959. Since then there have been nuclear powered...
a year ago
The first nuclear powered vessel was completed in 1959. Since then there have been nuclear powered vessels in the oceans, including many nuclear submarines. The obvious advantage is that is such vessels can stay at see for long periods of time without refueling. These ships use...
NeuroLogica Blog
Robots and a Sense of Self
Humans (assuming you all experience roughly what I experience, which is a reasonable assumption)...
a month ago
Humans (assuming you all experience roughly what I experience, which is a reasonable assumption) have a sense of self. This sense has several components – we feel as if we occupy our physical bodies, that our bodies are distinct entities separate from the rest of the universe,...
IEEE Spectrum
How the Computer Graphics Industry Got Started at the University of Utah
Animation has come a long way since 1900, when J. Stuart Blackton created The Enchanted Drawing, the...
a year ago
Animation has come a long way since 1900, when J. Stuart Blackton created The Enchanted Drawing, the earliest known animated film. The 90-second movie was created using stop-motion techniques, as flat characters, props, and backgrounds were drawn on an easel or made from...
Eukaryote Writes...
Will the growing deer prion epidemic spread to humans? Why not?
If a fatal neurological virus were spreading across deer in the US, and showed up in cooked infected...
a year ago
If a fatal neurological virus were spreading across deer in the US, and showed up in cooked infected meat, my default assumption would be “we're in danger.” But a prion isn’t a virus. Why does that matter?
NeuroLogica Blog
Using AI To Create Virtual Environments
Generative AI applications seem to be on the steep part of the development curve – not only is the...
8 months ago
Generative AI applications seem to be on the steep part of the development curve – not only is the technology getting better, but people are finding more and more uses for it. It’s a new powerful tool with broad applicability, and so there are countless startups and researchers...
Asterisk
The Fault in Our Forecasts
It’s impossible to predict when an earthquake will strike. This puts seismologists in a nearly...
6 months ago
It’s impossible to predict when an earthquake will strike. This puts seismologists in a nearly impossible bind: how can they convince the public to take earthquakes seriously without crying wolf?
symmetry magazine
Applications of quantum mechanics at the beach
How does sunscreen work on the atomic level?
a year ago
How does sunscreen work on the atomic level?
Math Is Still...
Even a Single Bacterial Cell Can Sense the Seasons Changing
Though they live only a few hours before dividing, bacteria can anticipate the approach of cold...
2 months ago
Though they live only a few hours before dividing, bacteria can anticipate the approach of cold weather and prepare for it. The discovery suggests that seasonal tracking is fundamental to life.
The post Even a Single Bacterial Cell Can Sense the Seasons Changing first...
Probably...
Download the World in Data
Our World in Data recently announced that they are providing APIs to access their data....
4 weeks ago
Our World in Data recently announced that they are providing APIs to access their data. Coincidentally, I am using one of their datasets in my workshop on time series analysis at PyData Global 2024. So I took this opportunity to update my example using the new API – this notebook...
Beautiful Public...
The Style Guide for America’s Highways: The Manual on Uniform Traffic Control Devices
Driving across America, you will encounter a wide variety of cultures, landscapes, people and...
a year ago
Driving across America, you will encounter a wide variety of cultures, landscapes, people and animals. But the one consistent thing that will stay the same from Maine to California are the signs you pass on the highway. That is because America’s roads and highways have a big, fat...
Asterisk
Lies, Damned Lies, and Manometer Readings
America’s HVAC labor force is plagued by dishonesty and frequently incapable of meeting industry...
10 months ago
America’s HVAC labor force is plagued by dishonesty and frequently incapable of meeting industry standards. Interventions in indoor air quality are the next frontier in pandemic prevention — but are they up to the task?
NeuroLogica Blog
Electronic Noses
I am always sniffing around (pun intended) for new and interesting technology, especially anything...
2 months ago
I am always sniffing around (pun intended) for new and interesting technology, especially anything that I think is currently flying under the radar of public awareness but has the potential to transform our world in some way. I think electronic nose technology fits into this...
NeuroLogica Blog
3D Printed Rocket Launches
This is one of those technology news stories where the implications of the technology is greater...
a year ago
This is one of those technology news stories where the implications of the technology is greater than the thing itself. Relativity Space, a rocket company based in California, launched their first Terran-1 rocket. The launch ultimately failed when the second stage failed to...
Sean Carroll
Thanksgiving
This year we give thanks for one of the very few clues we have to the quantum nature of spacetime:...
over a year ago
This year we give thanks for one of the very few clues we have to the quantum nature of spacetime: black hole entropy. (We’ve previously given thanks for the Standard Model Lagrangian, Hubble’s Law, the Spin-Statistics Theorem, conservation of momentum, effective field theory,...
Out-of-Pocket Blog
The Ins-and-Outs of Cancer Care Navigators With Laura Stratte | Out-Of-Pocket
What are cancer care navigators and what issues do they face?
a year ago
What are cancer care navigators and what issues do they face?
Light from Space
Bubble Nebula and Neighborhood
The constellation of Cassiopeia is full of rich gas clouds and a myriad of different Nebulas and...
over a year ago
The constellation of Cassiopeia is full of rich gas clouds and a myriad of different Nebulas and Star Clusters.
Click or tap to enlarge/double-tap to zoom
Total exposure time: 37h 20m (134,400s)
Image resolution: 4,784 × 6,840px (1.919″/px)
Shot from my driveway near
NeuroLogica Blog
Quiet Supersonic Aircraft Ready for Testing
It was six years ago that I first wrote about NASA’s X-59 QueSST project, contracted to Lockheed...
a year ago
It was six years ago that I first wrote about NASA’s X-59 QueSST project, contracted to Lockheed Martin. Now the plane has finally been built and is ready for testing. At the time it was reported that NASA “had a design” for a quiet supersonic jet, one that would not create a...
The Works in...
How pour-over coffee got good
While popular with enthusiasts, pour-over coffee frustrated shops because it takes so long to make,...
a week ago
While popular with enthusiasts, pour-over coffee frustrated shops because it takes so long to make, but that's changing.
Out-of-Pocket Blog
All of the main problems with US healthcare | Out-Of-Pocket
let's get all of our problems out on the table
9 months ago
let's get all of our problems out on the table
The Works in...
The entrepreneurial state
How state competition – through war – can drive institutional progress
11 months ago
How state competition – through war – can drive institutional progress
NeuroLogica Blog
Diamond Batteries Again
Why does news reporting of science and technology have to be so terrible at baseline? I know the...
a week ago
Why does news reporting of science and technology have to be so terrible at baseline? I know the answers to this question – lack of expertise, lack of a business model to support dedicated science news infrastructure, the desire for click-bait and sensationalism – but it is still...
IEEE Spectrum
Jean Sammet: An Accidental Computer Programmer
Jean Sammet rarely let anything get in the way of her professional goals. As a young student, she...
a week ago
Jean Sammet rarely let anything get in the way of her professional goals. As a young student, she was barred from attending prestigious all-boys schools, so she pursued her love of mathematics at the best institutions she could find that were open to girls and women. Following...
Probably...
Small percentiles and missing data
Here’s another installment in Data Q&A: Answering the real questions with Python. Previous...
8 months ago
Here’s another installment in Data Q&A: Answering the real questions with Python. Previous installments are available from the Data Q&A landing page. low_percentile Bootstrapping percentiles¶ Here’s a question from the Reddit statistics forum. I’m trying to figure out how to...
Probably...
The mean of a Likert scale?
Here’s another installment in Data Q&A: Answering the real questions with Python. Previous...
7 months ago
Here’s another installment in Data Q&A: Answering the real questions with Python. Previous installments are available from the Data Q&A landing page. likert_mean Likert scale analysis¶ Here’s a question from the Reddit statistics forum. I have collected data regarding how...
Out-of-Pocket Blog
More thoughts consumerization in healthcare | Out-Of-Pocket
tales from other countries, industries, and more
3 months ago
tales from other countries, industries, and more
Math Is Still...
Vacuum of Space to Decay Sooner Than Expected (but Still Not Soon)
One of the quantum fields that fills the universe is special because its default value seems poised...
5 months ago
One of the quantum fields that fills the universe is special because its default value seems poised to eventually change, changing everything.
The post Vacuum of Space to Decay Sooner Than Expected (but Still Not Soon) first appeared on Quanta Magazine
NeuroLogica Blog
Ripples in Spacetime
It’s always exciting when a scientific institution announces that they are going to make an...
a year ago
It’s always exciting when a scientific institution announces that they are going to make an announcement. Earlier this week we were told that there was going to be a major announcement today (June 29th) regarding a gravitational wave discovery. The goal of the pre-announcement is...
brr
Pressure Altitude
Day-to-day variability at the South Pole.
a year ago
Day-to-day variability at the South Pole.
IEEE Spectrum
Tiny Exploding Houses Promoted 18th-Century Lightning Rods
Imagine if engineers were required to build a working model to demonstrate every new technological...
a year ago
Imagine if engineers were required to build a working model to demonstrate every new technological concept to the general public. Done right, tech literacy might soar! A compelling visual example can really help people understand the applications and implications of new...
Apoorva Srinivasan
an experiment in navigating the knowledge frontier beyond search
Lately, I've been experimenting with interfaces for large language models (LLMs) in my free time....
a year ago
Lately, I've been experimenting with interfaces for large language models (LLMs) in my free time. The fruit of this labor is something I'm calling "curie," an exploratory and sense-making tool designed to navigate complex topics.
0:00
...
Blog - Practical...
Was Starship’s Stage Zero a Bad Pad?
[Note that this article is a transcript of the video embedded above.]
On April 20, 2023, SpaceX...
a year ago
[Note that this article is a transcript of the video embedded above.]
On April 20, 2023, SpaceX launched it’s first orbital test flight of its Starship spacecraft from Boca Chica on the gulf coast of Texas. You probably saw this, if not live, at least in the stunning videos that...
IEEE Spectrum
Who Really Invented the Rechargeable Lithium-Ion Battery?
Fifty years after the birth of the rechargeable lithium-ion battery, it’s easy to see its value....
a year ago
Fifty years after the birth of the rechargeable lithium-ion battery, it’s easy to see its value. It’s used in billions of laptops, cellphones, power tools, and cars. Global sales top US $45 billion a year, on their way to more than $100 billion in the coming decade.
The first...
Math Is Still...
The AI Tools Making Images Look Better
Researchers have discovered ways around a fundamental trade-off between accuracy and beauty in...
a year ago
Researchers have discovered ways around a fundamental trade-off between accuracy and beauty in digital images.
The post The AI Tools Making Images Look Better first appeared on Quanta Magazine
Wanderingspace
Hope for Mars
Nothing really. Just a gorgeous image of Mars from the UAE Hope mission.
over a year ago
Nothing really. Just a gorgeous image of Mars from the UAE Hope mission.
wadertales
How do wader chicks respond to being handled?
Every wader researcher knows that their actions can have negative consequences for the birds they...
2 months ago
Every wader researcher knows that their actions can have negative consequences for the birds they are studying. Given that most shorebird species are in trouble or causing concern, conservation science is a tricky balancing act between ‘need to understand’ and ‘disturbance’. In...
The Roots of...
The origins of the steam engine
This is a guest post written by Anton Howes and animated by Matt Brown of Extraordinary Facility....
a year ago
This is a guest post written by Anton Howes and animated by Matt Brown of Extraordinary Facility. This project was sponsored by The Roots of Progress, with funding generously provided by The Institute.
Steam power did not begin with the steam engine. Long before...
Out-of-Pocket Blog
The Out-Of-Pocket Game plan | Out-Of-Pocket
How to build the on-boarding system for healthcare
a year ago
How to build the on-boarding system for healthcare
Out-of-Pocket Blog
Race And Healthcare: Recognizing And Addressing the Issues Facing Black Patients | Out-Of-Pocket
The systemic issues that plague black communities are extremely prevalent in healthcare, and we...
a year ago
The systemic issues that plague black communities are extremely prevalent in healthcare, and we should think about how to address them
Math Is Still...
What Your Brain Is Doing When You’re Not Doing Anything
When your mind is wandering, your brain’s “default mode” network is active. Its discovery 20 years...
10 months ago
When your mind is wandering, your brain’s “default mode” network is active. Its discovery 20 years ago inspired a raft of research into networks of brain regions and how they interact with each other.
The post What Your Brain Is Doing When You’re Not Doing Anything...
Math Is Still...
Scientists Find a Fast Way to Describe Quantum Systems
After years of false starts, a team of computer scientists has found a way to efficiently deduce the...
7 months ago
After years of false starts, a team of computer scientists has found a way to efficiently deduce the Hamiltonian of a physical system at any constant temperature.
The post Scientists Find a Fast Way to Describe Quantum Systems first appeared on Quanta Magazine
The Works in...
Three Maintenance Philosophies Fought for Control of the Auto Industry
A new section from Stewart Brand's Maintenance on Books in Progress
a year ago
A new section from Stewart Brand's Maintenance on Books in Progress
Asterisk
The Virtue of Wonder: Martha Nussbaum’s Justice for Animals
Martha Nussbaum’s latest book challenges us to change the way we think — and feel — about animals....
a year ago
Martha Nussbaum’s latest book challenges us to change the way we think — and feel — about animals. What role can wonder and awe play when pathos comes up short?
The Works in...
Gentrification as a housing problem
The root cause of displacement is inflexible supply
5 months ago
The root cause of displacement is inflexible supply
NeuroLogica Blog
Man Gets Pig Kidney Transplant
On March 16 surgeons transplanted a kidney taken from a pig into a human recipient, Rick Slayman. So...
9 months ago
On March 16 surgeons transplanted a kidney taken from a pig into a human recipient, Rick Slayman. So far the transplant is a success, but of course the real test will be how well the kidney functions and for how long. This is the first time such a transplant has been done into a...
Quantum Frontiers
Happy 200th birthday, Carnot’s theorem!
In Kenneth Grahame’s 1908 novel The Wind in the Willows, a Mole meets a Water Rat who lives on a...
3 weeks ago
In Kenneth Grahame’s 1908 novel The Wind in the Willows, a Mole meets a Water Rat who lives on a River. The Rat explains how the River permeates his life: “It’s brother and sister to me, and aunts, and company, … Continue reading →
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
Guess it's time to start defining the term again
Probably...
The Political Gender Gap is Not Growing
In a previous article, I used data from the General Social Survey (GSS) to see if there is a growing...
10 months ago
In a previous article, I used data from the General Social Survey (GSS) to see if there is a growing gender gap among young people in political alignment, party affiliation, or political attitudes. So far, the answer is no. Ryan Burge has done a similar analysis with data from...
Andrew Fraknoi –...
A Movie about a Galaxy Far, Far Away & Long, Long Ago (from Webb Telescope)
Explains a new movie of distant galaxies and remote time from the Webb Telescope.
The post A Movie...
a year ago
Explains a new movie of distant galaxies and remote time from the Webb Telescope.
The post A Movie about a Galaxy Far, Far Away & Long, Long Ago (from Webb Telescope) appeared first on Andrew Fraknoi - Astronomy Lectures - Astronomy Education Resources.
nanoscale views
APS March Meeting 2024 - coming soon
This week I'm going to be at the APS March Meeting in Minneapolis. As I've done in past years, I...
9 months ago
This week I'm going to be at the APS March Meeting in Minneapolis. As I've done in past years, I will try to write up some highlights of talks that I am able to see, though it may be hit-or-miss. If readers have suggestions for sessions or talks that they think will be...
symmetry magazine
Practice makes perfect (particle detectors)
Prototyping is an indispensable step in the development of particle physics experiments like DUNE...
a year ago
Prototyping is an indispensable step in the development of particle physics experiments like DUNE and projects like PIP-II.
When complete, the Deep Underground Neutrino Experiment, or DUNE, will be the world’s most comprehensive neutrino experiment—and...
The Works in...
Links in Progress: Expanding the Mediterranean's busiest port
Plus: New tunnels, monorails, canals, small modular reactors, and horseless carriages
a month ago
Plus: New tunnels, monorails, canals, small modular reactors, and horseless carriages
Math Is Still...
Can Information Escape a Black Hole?
Black holes are inescapable traps for most of what falls into them — but there can be exceptions....
8 months ago
Black holes are inescapable traps for most of what falls into them — but there can be exceptions. The theoretical physicist Leonard Susskind speaks with co-host Janna Levin about the black hole information paradox and how it has propelled modern physics.
The post Can...
Apoorva Srinivasan
getting started with bayesian inference
In my previous post, we spoke about hypothesis testing from a frequentist perspective. This is the...
over a year ago
In my previous post, we spoke about hypothesis testing from a frequentist perspective. This is the method that is commonly taught in STAT101 classes. But for many decades, some statisticians have argued for another approach to conduct statistical analysis based on bayes...
Math Is Still...
The Computer Scientist Who Builds Big Pictures From Small Details
To better understand machine learning algorithms, Lenka Zdeborová treats them like physical...
2 months ago
To better understand machine learning algorithms, Lenka Zdeborová treats them like physical materials.
The post The Computer Scientist Who Builds Big Pictures From Small Details first appeared on Quanta Magazine
NeuroLogica Blog
New Generation of Electric Robots
Boston Dynamics (now owned by Hyundai) has revealed its electric version of its Atlas robot. These...
8 months ago
Boston Dynamics (now owned by Hyundai) has revealed its electric version of its Atlas robot. These robot videos always look impressive, but at the very least we know that we are seeing the best take. We don’t know how many times the robot failed to get the one great video. There...
Wanderingspace
Eclipse 2024 from Space
https://twitter.com/ThePlanetaryGuy
8 months ago
https://twitter.com/ThePlanetaryGuy
Math Is Still...
Scientists Find Optimal Balance of Data Storage and Time
Seventy years after the invention of a data structure called a hash table, theoreticians have found...
10 months ago
Seventy years after the invention of a data structure called a hash table, theoreticians have found the most efficient possible configuration for it.
The post Scientists Find Optimal Balance of Data Storage and Time first appeared on Quanta Magazine
Asterisk
The EA-Progress Studies War is Here, and It’s a Constructive Dialogue!
We’re hoping Marc Andreessen doesn’t read this and polarize everyone again.
6 months ago
We’re hoping Marc Andreessen doesn’t read this and polarize everyone again.
Math Is Still...
What Can Tiling Patterns Teach Us?
If you cover a surface with tiles, repetitive patterns always emerge — or do they? In this week’s...
5 months ago
If you cover a surface with tiles, repetitive patterns always emerge — or do they? In this week’s episode, mathematician Natalie Priebe Frank and co-host Janna Levin discuss how recent breakthroughs in tiling can unlock structural secrets in the natural world.
The...
Math Is Still...
Michel Talagrand Wins Abel Prize for Work Wrangling Randomness
The French mathematician spent decades developing a set of tools now widely used for taming random...
9 months ago
The French mathematician spent decades developing a set of tools now widely used for taming random processes.
The post Michel Talagrand Wins Abel Prize for Work Wrangling Randomness first appeared on Quanta Magazine
Eukaryote Writes...
[UPDATE to most recent post]
I edited the post “A point of clarification on infohazard terminology” in response to a good point...
over a year ago
I edited the post “A point of clarification on infohazard terminology” in response to a good point of feedback, and changed a terminology proposal. I’m writing a separate update in case the old unedited version is still lodged in your RSS feed. Read the new one instead! It’s the...
Math Is Still...
The Cosmos Teems with Complex Organic Molecules
Wherever astronomers look, they see life’s raw materials.
The post The Cosmos Teems with...
a month ago
Wherever astronomers look, they see life’s raw materials.
The post The Cosmos Teems with Complex Organic Molecules first appeared on Quanta Magazine
Damn Interesting
The Mount St. Helens Trespasser
The Washington state deputy sheriff looked suspiciously at the motorcycle strapped to the back of...
over a year ago
The Washington state deputy sheriff looked suspiciously at the motorcycle strapped to the back of the odd little French car. The motorcycle was a recently repaired Honda 90, sporting a fresh coat of grey spray paint. The driver, Robert Rogers, kept a neutral expression as the...
Out-of-Pocket Blog
“Mission-driven” should be more specific | Out-Of-Pocket
everything is a set of tradeoffs, let's be honest about that
8 months ago
everything is a set of tradeoffs, let's be honest about that
nanoscale views
Meetings this week
This week is the 2023 DOE experimental condensed matter physics PI meeting - in the past I’ve...
a year ago
This week is the 2023 DOE experimental condensed matter physics PI meeting - in the past I’ve written up highlights of these here (2021), here (2019), here (2017), here (2015), and here (2013). This year, I am going to have to present remotely, however, because I am giving a...
The Roots of...
A plea for solutionism on AI safety
Will AI kill us all?
This question has rapidly gone mainstream. A few months ago, it wasn’t...
a year ago
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,...
Explorations of an...
A Month In Northern Peru, Part 9: Tinamous In the Amazon To Rare Montane Monkeys (February 11, 2024)
February 11, 2024
Our alarm went off at 4:30 AM and at 5:00 AM we began the long, windy drive in the...
5 months ago
February 11, 2024
Our alarm went off at 4:30 AM and at 5:00 AM we began the long, windy drive in the dark across the Andes. The reason for our early start is that we had a date with tinamous and wood-quails at a small family-run reserve called Arena Blanca. Our contact at the...
Math Is Still...
The Brain Region That Controls Movement Also Guides Feelings
The cerebellum is responsible for far more than coordinating movement. New techniques reveal that it...
11 months 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...
Wanderingspace
Cassini’s Final Look at Enceladus
Taken on August 28, 2017. Credit: NASA/JPL-Caltech/Space Science Institute
This is from images...
over a year ago
Taken on August 28, 2017. Credit: NASA/JPL-Caltech/Space Science Institute
This is from images obtained by Cassini shortly before plunging into the Saturnian atmosphere. The images were taken over 14 hours and compiled into this animation.
Asterisk
China’s Policy Failures
China’s experimental policy regime catalyzed the country’s economic ascent. Today, the system seems...
10 months ago
China’s experimental policy regime catalyzed the country’s economic ascent. Today, the system seems incapable of providing effective governance.
NeuroLogica Blog
Rats!
What killed off the dodo? Humans first arrived at Mauritius island in the late 1500s. They found on...
6 months ago
What killed off the dodo? Humans first arrived at Mauritius island in the late 1500s. They found on this island fat flightless birds who nested on the ground and were a convenient way to restock their ship’s food supply. Within 80 years the dodo went extinct. But hunting was not...
NeuroLogica Blog
Converting CO2 to Carbon Nanofibers
One of the dreams of a green economy where the amount of CO2 in the atmosphere is stable, and not...
11 months ago
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...
NeuroLogica Blog
Roleplaying Games May Help Autistic People
Gotta love the title of this paper: “A critical hit: Dungeons and Dragons as a buff for autistic...
3 months ago
Gotta love the title of this paper: “A critical hit: Dungeons and Dragons as a buff for autistic people“. Dungeons & Dragons (D&D) is a tabletop roleplaying game where a small group of people each play characters adventuring in an imaginary world run by the dungeon master (DM)....
NeuroLogica Blog
How To Prove Prevention Works
Homer: Not a bear in sight. The Bear Patrol must be working like a charm. Lisa: That’s specious...
10 months ago
Homer: Not a bear in sight. The Bear Patrol must be working like a charm. Lisa: That’s specious reasoning, Dad. Homer: Thank you, dear. Lisa: By your logic I could claim that this rock keeps tigers away. Homer: Oh, how does it work? Lisa: It doesn’t work. Homer: Uh-huh. Lisa:...
IEEE Spectrum
Robert Kahn: The Great Interconnector
In the mid-1960s, Robert Kahn began thinking about how computers with different operating systems...
8 months ago
In the mid-1960s, Robert Kahn began thinking about how computers with different operating systems could talk to each other across a network. He didn’t think much about what they would say to one another, though. He was a theoretical guy, on leave from the faculty of the...
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
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.
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...
10 months 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...
Out-of-Pocket Blog
Licensing and Credentialing Nonsense with Assured | Out-Of-Pocket
a month ago
Casey Handmer's blog
Entrepreneurship changed the way I think
A quick note with some self reflection on the eve of my 37th year and after nearly three years of...
3 months ago
A quick note with some self reflection on the eve of my 37th year and after nearly three years of running a hardware start up. I never saw myself as a founder. At some point a few years ago I realized nearly all my friends were founders or managers of their own business, but I...
Uncharted...
Become a World-Class Communicator
I’m running a 2nd cohort of my course: How to Become a World-Class Communicator, starting in two...
2 months ago
I’m running a 2nd cohort of my course: How to Become a World-Class Communicator, starting in two weeks, on November 4th!
Math Is Still...
Mathematical Thinking Isn’t What You Think It Is
The mathematician David Bessis claims that everyone is capable of, and can benefit greatly from,...
a month ago
The mathematician David Bessis claims that everyone is capable of, and can benefit greatly from, mathematical thinking.
The post Mathematical Thinking Isn’t What You Think It Is first appeared on Quanta Magazine
NeuroLogica Blog
Living Under the Sea
One of my favorite recent video games is Subnautica, in which you have to survive almost entirely...
a year ago
One of my favorite recent video games is Subnautica, in which you have to survive almost entirely under a vast alien ocean. You have the advantage of advanced technology, but even then you are under constant threat of running out of oxygen, or having your habitat implode because...
Probably...
Too many bronze medals?
In a recent video, Hank Green nerd-sniped me by asking a question I couldn’t not answer. At one...
4 months ago
In a recent video, Hank Green nerd-sniped me by asking a question I couldn’t not answer. At one point in the video, he shows “a graph of the last 20 years of Olympic games showing the gold, silver, and bronze medals from continental Europe. And it “shows continental Europe having...
NeuroLogica Blog
Why Do Species Evolve to Get Bigger or Smaller
Have you heard of Cope’s Rule or Foster’s Rule? American paleontologist Edward Drinker Cope first...
11 months ago
Have you heard of Cope’s Rule or Foster’s Rule? American paleontologist Edward Drinker Cope first noticed a trend in the fossil record that certain animal lineages tend to get bigger over evolutionary time. Most famously this was noticed in the horse lineage, beginning with small...
NeuroLogica Blog
Cultural Blindness
One of the core tenets of scientific skepticism is what I call neuropsychological humility – the...
a year ago
One of the core tenets of scientific skepticism is what I call neuropsychological humility – the recognition that while the human brain is a powerful information processing machine, it also has many frailties. One of those frailties is perception – we do not perceive the world in...
Math Is Still...
In the Gut’s ‘Second Brain,’ Key Agents of Health Emerge
Sitting alongside the neurons in your enteric nervous system are underappreciated glial cells, which...
a year ago
Sitting alongside the neurons in your enteric nervous system are underappreciated glial cells, which play key roles in digestion and disease that scientists are only just starting to understand.
The post In the Gut’s ‘Second Brain,’ Key Agents of Health Emerge first...
Math Is Still...
To Move Fast, Quantum Maze Solvers Must Forget the Past
Quantum algorithms can find their way out of mazes exponentially faster than classical ones, at the...
a year ago
Quantum algorithms can find their way out of mazes exponentially faster than classical ones, at the cost of forgetting the path they took. A new result suggests that the trade-off may be inevitable.
The post To Move Fast, Quantum Maze Solvers Must Forget the Past...
IEEE Spectrum
The Sneaky Standard
A version of this post originally appeared on Tedium, Ernie Smith’s newsletter, which hunts for the...
7 months ago
A version of this post originally appeared on Tedium, Ernie Smith’s newsletter, which hunts for the end of the long tail.
Personal computing has changed a lot in the past four decades, and one of the biggest changes, perhaps the most unheralded, comes down to compatibility. These...
NeuroLogica Blog
AI and User Manuals
About half of Americans, when asked, report that they don’t read the user manual for new technical...
4 months ago
About half of Americans, when asked, report that they don’t read the user manual for new technical devices they acquire. Although I suspect that many people are like me – I read them sometimes, and then only partly. If there is a “quick user guide” I will often look at that....
Chris Grossack's...
Talk -- 2-Categorical Descent and (Essentially) Algebraic Theories
A few weeks ago I gave a talk at the CT Octoberfest 2023 about some
work I did over the summer that...
a year ago
A few weeks ago I gave a talk at the CT Octoberfest 2023 about some
work I did over the summer that I’m really proud of. Unfortunately, while
writing up the result I found a 1999 paper by Pedicchio and Wood that
proves the same theorem (with roughly the same proof), so I...
The Works in...
The concept of sustainment
A new section from Stewart Brand's Maintenance on Books in Progress
a year ago
A new section from Stewart Brand's Maintenance on Books in Progress
The Works in...
Youtube Rules
A new section from Stewart Brand's Maintenance on Books in Progress
a year ago
A new section from Stewart Brand's Maintenance on Books in Progress
NeuroLogica Blog
Eating Methane
Methane is the forgotten greenhouse gas (sort of). Often, when discussing how best to reduce...
a year ago
Methane is the forgotten greenhouse gas (sort of). Often, when discussing how best to reduce anthropogenic climate change, we talk about decarbonizing our electrical and transport sectors, and carbon removal. But methane is also a greenhouse gas, contributing to global warming,...
Math Is Still...
Some Neural Networks Learn Language Like Humans
Researchers uncover striking parallels in the ways that humans and machine learning models acquire...
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