Out-of-Pocket Blog
More 2022 predictions | Out-Of-Pocket
A curation of your 2022 predictions
a year ago
A curation of your 2022 predictions
Drew Ex Machina
The Promise of MIDAS: The First Experimental Early Warning Satellites
Today in the United States we almost take for granted the military’s ability to detect missile...
a year ago
Today in the United States we almost take for granted the military’s ability to detect missile launches anywhere on the planet and quickly determine whether it […]
Math Is Still...
How Does Math Keep Secrets?
Cryptography is the thread that connects Julius Caesar, World War II and quantum computing, and it...
4 months ago
Cryptography is the thread that connects Julius Caesar, World War II and quantum computing, and it now lies under nearly every part of modern life. In this week’s episode, computer scientist Boaz Barak and co-host Janna Levin discuss the past and future of secrecy. ...
The Roots of...
If you wish to make an apple pie, you must first become dictator of the universe
The word “robot” is derived from the Czech robota, which means “serfdom.” It was introduced over a...
a year ago
The word “robot” is derived from the Czech robota, which means “serfdom.” It was introduced over a century ago by the Czech play R.U.R., for “Rossum’s Universal Robots.” In the play, the smartest and best-educated of the robots leads a slave revolt that wipes out most of...
Math Is Still...
How Will We Know We’re Not Alone?
The first planet beyond our solar system was identified just 30 years ago. Since then, thousands...
3 days ago
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...
Asterisk
What I Won’t Eat
A reflection on ethics, animal cognition, and chocolate cake.
a year ago
A reflection on ethics, animal cognition, and chocolate cake.
Math Is Still...
How a DNA ‘Parasite’ May Have Fragmented Our Genes
A novel type of “jumping gene” may explain why the genomes of complex cells aren’t all equally...
a year ago
A novel type of “jumping gene” may explain why the genomes of complex cells aren’t all equally stuffed with noncoding sequences.
The post How a DNA ‘Parasite’ May Have Fragmented Our Genes first appeared on Quanta Magazine
nanoscale views
APS March Meeting 2024, Day 4 and wrap-up
Because of the timing of my flight back to Houston, I really only went to one session today, in...
9 months ago
Because of the timing of my flight back to Houston, I really only went to one session today, in which my student spoke as did some collaborators. It was a pretty interesting collection of contributed talks.
The work that's been done on spin transport in multiferroic...
Math Is Still...
The Best Neighborhoods for Starting a Life in the Galaxy
Some neighborhoods in the Milky Way may be better suited for making habitable planets than others. ...
11 months ago
Some neighborhoods in the Milky Way may be better suited for making habitable planets than others.
The post The Best Neighborhoods for Starting a Life in the Galaxy first appeared on Quanta Magazine
Math Is Still...
A New Idea for How to Assemble Life
If we want to understand complex constructions, such as ourselves, assembly theory says we must...
a year ago
If we want to understand complex constructions, such as ourselves, assembly theory says we must account for the entire history of how such entities came to be.
The post A New Idea for How to Assemble Life first appeared on Quanta Magazine
Out-of-Pocket Blog
Out-Of-Pocket’s 2025 Predictions | Out-Of-Pocket
I’m like 50% right every year, I just never know which 50%
6 days ago
I’m like 50% right every year, I just never know which 50%
Math Is Still...
Why Insect Memories May Not Survive Metamorphosis
The reshuffling of neurons during fruit fly metamorphosis suggests that larval memories don’t...
a year ago
The reshuffling of neurons during fruit fly metamorphosis suggests that larval memories don’t persist in adults.
The post Why Insect Memories May Not Survive Metamorphosis first appeared on Quanta Magazine
Andrew Fraknoi –...
Drone Madness: Here is the Antidote
For those of us who, through the years, have been through wave after wave of uncritical and...
6 days ago
For those of us who, through the years, have been through wave after wave of uncritical and sensational UFO stories in the media, the current obsession with (and jumping to unwarranted conclusions about) mysterious drones seems all too familiar. As before, untrained observers,...
Drew Ex Machina
Habitable Planet Reality Check: TOI-700e Discovered by NASA’s TESS Mission
During a press conference held on January 6, 2020 at the 235th meeting of the American Astronomical...
a year ago
During a press conference held on January 6, 2020 at the 235th meeting of the American Astronomical Society (AAS) in Honolulu, Emily Gilbert (then a graduate […]
Math Is Still...
The First Nuclear Clock Will Test if Fundamental Constants Change
An ultra-precise measurement of a transition in the hearts of thorium atoms gives physicists a tool...
3 months ago
An ultra-precise measurement of a transition in the hearts of thorium atoms gives physicists a tool to probe the forces that bind the universe.
The post The First Nuclear Clock Will Test if Fundamental Constants Change first appeared on Quanta Magazine
NeuroLogica Blog
The Potential of AI + CRISPR
In my book, which I will now shamelessly promote – The Skeptics’ Guide to the Future – my coauthors...
3 months ago
In my book, which I will now shamelessly promote – The Skeptics’ Guide to the Future – my coauthors and I discuss the incredible potential of information-based technologies. As we increasingly transition to digital technology, we can leverage the increasing power of computer...
nanoscale views
Disorganized thoughts on "Oppenheimer"
I saw "Oppenheimer" today. Spoiler warning, I suppose, though I think we all know how this story...
a year ago
I saw "Oppenheimer" today. Spoiler warning, I suppose, though I think we all know how this story ends. Just in case you were wondering, there is no post-credit scene to set up the sequel. (For the humor-impaired: that was a joke.)
The movie was an excellent piece of...
brr
Mud Murdo
The beautiful ambiance of a McMurdo summer.
over a year ago
The beautiful ambiance of a McMurdo summer.
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...
Out-of-Pocket Blog
Physicians and Pharma Marketing | Out-Of-Pocket
oh we getting that drug money
a year ago
oh we getting that drug money
Asterisk
China’s Silicon Future
China dreams of competing with global superpowers in the semiconductor industry. Whether its efforts...
over a year ago
China dreams of competing with global superpowers in the semiconductor industry. Whether its efforts will succeed is far from clear.
symmetry magazine
Is dark matter the most powerful wave in the universe?
Dark matter could consist of particles so ultralight, they behave more like waves.
...
a year ago
Dark matter could consist of particles so ultralight, they behave more like waves.
Although the motions of galaxies provide evidence that dark matter exists, scientists have yet to directly detect the invisible stuff, or figure out what it could be made...
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...
NeuroLogica Blog
The Neolithic Revolution
What was the greatest invention of human civilization? Arguably it was agriculture, which allowed...
5 months ago
What was the greatest invention of human civilization? Arguably it was agriculture, which allowed for civilization itself. Prior to agriculture humans were some combination of hunters, gatherers, scavengers, and fishers. We lived off the land, which was a full-time job. Many...
Out-of-Pocket Blog
SWORD Health And Virtual Musculoskeletal Care | Out-Of-Pocket
A first person account
a year ago
Bartosz Ciechanowski
Airfoil
The dream of soaring in the sky like a bird has captivated the human mind for ages. Although many...
9 months ago
The dream of soaring in the sky like a bird has captivated the human mind for ages. Although many failed, some eventually succeeded in achieving that goal. These days we take air transportation for granted, but the physics of flight can still be puzzling.
In this article we’ll...
NeuroLogica Blog
Starship Explodes in Successful Launch
A common joke in the medical world is, “The operation was a success, but the patient died.” The...
a year ago
A common joke in the medical world is, “The operation was a success, but the patient died.” The irony comes from how we might define “success”. On April 20th SpaceX conducted the maiden launch of the fully assembled Starship, including a Starship rocket on top of a super heavy...
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...
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...
NeuroLogica Blog
Odysseus Lands on the Moon
December 11, 1972, Apollo 17 soft landed on the lunar surface, carrying astronauts Gene Cernan and...
10 months ago
December 11, 1972, Apollo 17 soft landed on the lunar surface, carrying astronauts Gene Cernan and Harrison Schmitt. This was the last time anything American soft landed on the moon, over 50 years ago. It seems amazing that it’s been that long. On February 22, 2024, the Odysseus...
Asterisk
Want Growth? Kill Small Businesses
The central question of development economics is simple: how can poor countries become rich? The...
5 months ago
The central question of development economics is simple: how can poor countries become rich? The answer is neither small-scale, targeted interventions nor broad generalizations about growth. Instead, we should focus on firms.
NeuroLogica Blog
Is AI Sentient Revisited
On the SGU this week we interviewed Blake Lemoine, the ex-Google employee who believes that Google’s...
a year ago
On the SGU this week we interviewed Blake Lemoine, the ex-Google employee who believes that Google’s LaMDA may be sentient, based on his interactions with it. This was a fascinating discussion, and even though I think we did a pretty deep dive in the time we had, it also felt...
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
Out-of-Pocket Blog
Healthcare, but funny | Out-Of-Pocket
US healthcare is a joke. Let's make it funny.
a year ago
US healthcare is a joke. Let's make it funny.
Apoorva Srinivasan
a review on protein language models
Protein “language” is a lot like human language. Given the similarities, researchers have been...
7 months ago
Protein “language” is a lot like human language. Given the similarities, researchers have been building and training language models on protein sequence data, replicating the success seen in other domains, with profound implications. In this post, I will explore how transformer...
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
Making Computers More Efficient
An analysis in 2021 found that 10% of the world’s electricity production is used by computers,...
a year ago
An analysis in 2021 found that 10% of the world’s electricity production is used by computers, including personal use, data centers, the internet and communication centers. The same analysis projected that this was likely to increase to 20% by 2025. This may have been an...
Drew Ex Machina
Apollo A-002: Testing the Limits of the Launch Escape System
One of the more dangerous parts of a space mission is launch which is why almost all crewed...
2 weeks ago
One of the more dangerous parts of a space mission is launch which is why almost all crewed spacecraft have had launch abort options to cover […]
NeuroLogica Blog
Giant Eels, Loch Ness, and Probability
At this point it is pretty clear that the Loch Ness Monster (Nessie) does not exist. I know,...
a year ago
At this point it is pretty clear that the Loch Ness Monster (Nessie) does not exist. I know, logically it is impossible to prove a negative, so if we want to be technical we can say that the probability of a large creature similar to that believed to be Nessie approaches zero....
NeuroLogica Blog
Evidence of Ancient Solar Flares
From time to time the Earth gets hit by a wave of energetic particles from the sun – solar flares or...
a year ago
From time to time the Earth gets hit by a wave of energetic particles from the sun – solar flares or even coronal mass ejections (CMEs). In 1859 a large CME hit Earth (known as the Carrington Event), shorting out telegraphs, brightening the sky, and causing aurora deep into...
Asterisk
Moving Past Environmental Proceduralism
The foundations of modern environmental legislation were laid in the early ‘70s. Some of these laws...
8 months ago
The foundations of modern environmental legislation were laid in the early ‘70s. Some of these laws helped fix the ozone layer, clean up DDT, and fight lead pollution — while others are delaying the necessary transition to green energy. If the activists of fifty years ago had...
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...
Math Is Still...
Tiny Tweaks to Neurons Can Rewire Animal Motion
Altering a protein in the neurons that coordinate a rattlesnake’s movement made a slow slither...
9 months ago
Altering a protein in the neurons that coordinate a rattlesnake’s movement made a slow slither neuron more like a speedy rattle neuron, showing one way evolution can generate new ways of moving.
The post Tiny Tweaks to Neurons Can Rewire Animal Motion first appeared...
brr
Redeployment Part Two
Station opening, and my flight out of Pole!
11 months ago
Station opening, and my flight out of Pole!
Cremieux Recueil
American Elections Are Unfair
Unfortunately, unfairness is baked in
a month ago
Unfortunately, unfairness is baked in
Out-of-Pocket Blog
Announcing the Out-Of-Pocket Job Board! | Out-Of-Pocket
Recruiting a ton? Get your healthcare jobs in front of the right people
a year ago
Recruiting a ton? Get your healthcare jobs in front of the right people
Marine Madness
Book Club: ‘Sea People: The Puzzle of Polynesia’ by Christina Thompson
Who first settled the islands of the remote Pacific? Where did they come from? How did they get...
over a year ago
Who first settled the islands of the remote Pacific? Where did they come from? How did they get there, and how do we know? The answers to these and more questions are all explored in this mesmerizing novel by Pacific historian Christina Thompson. For over a millennium,...
The Works in...
Notes on Progress: Breakfast with g
IQ, lived experience, and my boyfriend’s underpants
over a year ago
IQ, lived experience, and my boyfriend’s underpants
Out-of-Pocket Blog
The Obstacles To Value-Based Care | Out-Of-Pocket
taking on risk is easier said than done
a year ago
taking on risk is easier said than done
Explorations of an...
Day Four At Río Bigal - Birding The Interior Trails
November 5, 2023
Sunday began overcast, but unlike the previous day there did not seem to be the...
a year ago
November 5, 2023
Sunday began overcast, but unlike the previous day there did not seem to be the same threat of rain looming over everything. Therefore, yesterday's plan shifted to today. Natalia made me a packed lunch and I prepared for a day on my own on the long PNS trail. I...
Math Is Still...
Two Students Shoot Down a Widely Believed Math Conjecture
Mathematicians thought they were on the cusp of proving a conjecture about the ancient structures...
a year ago
Mathematicians thought they were on the cusp of proving a conjecture about the ancient structures known as Apollonian circles. But a summer project would lead to its downfall.
The post Two Students Shoot Down a Widely Believed Math Conjecture first appeared on Quanta...
Tikalon Blog by Dev...
Ice Formation
In today's bigger is better world, you don't order a large coffee, you order a 20 fluid ounce Venti...
4 months ago
In today's bigger is better world, you don't order a large coffee, you order a 20 fluid ounce Venti coffee. From 1987 through 2004, McDonald's restaurants had a supersize option for larger than large portions of its French fries and soft drinks. The prefix, super, has been used...
Inverted Passion
How to be a messy thinker
I love thinking about thinking. Give me a research paper on rationality, cognitive biases or mental...
7 months ago
I love thinking about thinking. Give me a research paper on rationality, cognitive biases or mental models, and I’ll gobble it up. Given the amount of knowledge I’ve ingested on these topics, I had always assumed that I’m a clear thinker. Recently, though, it hit me like a...
Blog - Practical...
Why Is Desalination So Difficult?
[Note that this article is a transcript of the video embedded above.]
This is the Carlsbad...
a year ago
[Note that this article is a transcript of the video embedded above.]
This is the Carlsbad Desalination Plant outside of San Diego, California. It produces roughly ten percent of the area’s fresh water, around 50 million gallons or 23,000 cubic meters per day. Unlike most...
The Works in...
To change a norm
How the war on drunk driving was won
6 months ago
How the war on drunk driving was won
Math Is Still...
Covid-19 mRNA Vaccines Win Nobel Prize for Medicine 2023
Katalin Karikó and Drew Weissman have been awarded the 2023 Nobel Prize in Physiology or Medicine...
a year ago
Katalin Karikó and Drew Weissman have been awarded the 2023 Nobel Prize in Physiology or Medicine for discoveries leading to mRNA vaccines, such as those that protect against COVID-19.
The post Covid-19 mRNA Vaccines Win Nobel Prize for Medicine 2023 first appeared on...
Out-of-Pocket Blog
Things I’m watching in healthcare 2023 | Out-Of-Pocket
it's been a weird year
9 months ago
brr
Pressure Altitude
Day-to-day variability at the South Pole.
a year ago
Day-to-day variability at the South Pole.
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!
brr
South Pole Arrival
Flying to the bottom of the world!
over a year ago
Flying to the bottom of the world!
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...
Math Is Still...
Avi Wigderson, Complexity Theory Pioneer, Wins Turing Award
The prolific researcher found deep connections between randomness and computation and spent a career...
8 months ago
The prolific researcher found deep connections between randomness and computation and spent a career influencing cryptographers, complexity researchers and more.
The post Avi Wigderson, Complexity Theory Pioneer, Wins Turing Award first appeared on Quanta Magazine
Interaction Magic -...
Think outside the screen
Nobody likes stroking a pane of glass, so why do we love touchscreens so much? Let's build...
over a year ago
Nobody likes stroking a pane of glass, so why do we love touchscreens so much? Let's build distributed interfaces that work.
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...
Math Is Still...
In the Milky Way’s Stars, a History of Violence
Our galaxy's stars keep a record of its past. By reading those stories, astronomers are learning...
a year ago
Our galaxy's stars keep a record of its past. By reading those stories, astronomers are learning more about how the Milky Way came to be — and about the galaxy we live in today.
The post In the Milky Way’s Stars, a History of Violence first appeared on Quanta Magazine
Explorations of an...
Day Five And Six At Río Bigal - The Last Hurrah
November 6, 2023
Somehow, it was already my final full day at Río Bigal. I am not sure where the...
a year ago
November 6, 2023
Somehow, it was already my final full day at Río Bigal. I am not sure where the time all went, but now the end was in sight. Hoping to maximize my final day, I arranged for a packed lunch and planned for an earlier breakfast so that I could hit the trails ahead...
Quantum Frontiers
Noncommuting charges are much like Batman
Understanding a character’s origins enriches their narrative and motivates their actions. Take...
9 months ago
Understanding a character’s origins enriches their narrative and motivates their actions. Take Batman as an example: without knowing his backstory, he appears merely as a billionaire who might achieve more by donating his wealth rather than masquerading as a bat … Continue...
nanoscale views
Bob Curl - it is possible to be successful and also a good person
I went to a memorial service today at Rice for my late colleague Bob Curl, who died this past...
over a year ago
I went to a memorial service today at Rice for my late colleague Bob Curl, who died this past summer, and it was a really nice event. I met Bob almost immediately upon my arrival at Rice back in 2000 (though I’d heard about him from my thesis advisor, who’d met him at the Nobel...
NeuroLogica Blog
Will Hydrogen BEV Hybrids Be A Thing?
I recently recorded a YouTube video on the notion of hydrogen fuel cell cars (it will be posted...
a year ago
I recently recorded a YouTube video on the notion of hydrogen fuel cell cars (it will be posted soon, and I will add the link when it’s up). One question I did not get into in the video, but which is an interesting thought experiment, is hydrogen – plug-in battery hybrid...
symmetry magazine
CERN opens Science Gateway
About 1,400 people attended the grand opening of CERN’s new science education center.
a year ago
About 1,400 people attended the grand opening of CERN’s new science education center.
Casey Handmer's blog
It Is Time To Build The Monster Scope
A shorter version of this post was published in Palladium on 10/18/24. This version incorporates...
3 weeks ago
A shorter version of this post was published in Palladium on 10/18/24. This version incorporates helpful feedback from a number of knowledgeable readers. With the recent SpaceX Starship orbital flight tests, it is time to commit to building the largest physically possible space...
Probably...
How Many Books?
If you like this article, you can read more about this kind of Bayesian analysis in Think Bayes....
11 months ago
If you like this article, you can read more about this kind of Bayesian analysis in Think Bayes. Recently I found a copy of Probably Overthinking It at a local bookstore and posted a picture on Twitter. Aubrey Clayton replied with this question: It’s a great question with what...
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...
A New Kind of Symmetry Shakes Up Physics
So-called “higher symmetries” are illuminating everything from particle decays to the behavior of...
a year ago
So-called “higher symmetries” are illuminating everything from particle decays to the behavior of complex quantum systems.
The post A New Kind of Symmetry Shakes Up Physics first appeared on Quanta Magazine
Beautiful Public...
The Mirror Fusion Test Facility
A decade-long effort to build a machine to unlock the promise of nuclear fusion fell victim to...
a year ago
A decade-long effort to build a machine to unlock the promise of nuclear fusion fell victim to budget constraints and competing science, and was shut down the day it was dedicated. It was never turned on.
Math Is Still...
‘Sensational’ Proof Delivers New Insights Into Prime Numbers
The proof creates stricter limits on potential exceptions to the famous Riemann hypothesis. ...
5 months ago
The proof creates stricter limits on potential exceptions to the famous Riemann hypothesis.
The post ‘Sensational’ Proof Delivers New Insights Into Prime Numbers first appeared on Quanta Magazine
Andrew Fraknoi –...
A Comet Visible in Our Evening Sky
A newly discovered comet is now faintly visible in our skies soon after sunset, if you have clear...
2 months ago
A newly discovered comet is now faintly visible in our skies soon after sunset, if you have clear skies and a view low toward the west-southwest horizon. See our diagram from Sky & Telescope magazine, in which the yellow numbers show you the comet’s location in the evening sky...
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...
Asterisk
A Chinese Internet Phrasebook
The latest slang on Weibo reveals a world of cynicism, ennui — and concrete pasta.
a month ago
The latest slang on Weibo reveals a world of cynicism, ennui — and concrete pasta.
Blog - Practical...
How Bridge Engineers Design Against Ship Collisions
[Note that this article is a transcript of the video embedded above.]
On March 26, 2024 (just a few...
7 months ago
[Note that this article is a transcript of the video embedded above.]
On March 26, 2024 (just a few weeks ago, if you're watching this as it comes out), a large container ship struck one of the main support piers of the Francis Scott Key Bridge in Baltimore, Maryland, collapsing...
Quantum Frontiers
It from Qubit: The Last Hurrah
Editor’s note: Since 2015, the Simons Foundation has supported the “It from Qubit” collaboration, a...
a year ago
Editor’s note: Since 2015, the Simons Foundation has supported the “It from Qubit” collaboration, a group of scientists drawing on ideas from quantum information theory to address deep issues in fundamental physics. The collaboration held its “Last Hurrah” event at … Continue...
The Roots of...
Quote quiz answer
Here’s the answer to the recent quote quiz:
The author was Ted Kaczynski, aka the Unabomber. The...
a year ago
Here’s the answer to the recent quote quiz:
The author was Ted Kaczynski, aka the Unabomber. The quote was taken from his manifesto, “Industrial Society and Its Future.” Here’s a slightly longer, and unaltered, quote:
First let us postulate that the computer scientists succeed in...
NeuroLogica Blog
Trust in New Technology
In an optimally rational person, what should govern their perception of risk? Of course, people are...
5 months ago
In an optimally rational person, what should govern their perception of risk? Of course, people are generally not “optimally rational”. It’s therefore an interesting thought experiment – what would be optimal, and how does that differ from how people actually assess risk? Risk is...
Cremieux Recueil
Just Pay Them Off
The International Longshoremen's Association is protecting people whose jobs are no longer...
2 months ago
The International Longshoremen's Association is protecting people whose jobs are no longer necessary. Stop fighting and just pay them so they go away.
IEEE Spectrum
How This Record Company Engineer Invented the CT Scanner
The inspiration for computed tomography (CT) came from a chance conversation that research engineer...
a year ago
The inspiration for computed tomography (CT) came from a chance conversation that research engineer Godfrey Hounsfield had with a doctor while on vacation in the 1960s. The physician complained that X-ray images of the brain were too grainy and only two-dimensional.
Hounsfield...
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...
Math Is Still...
Mathematicians Uncover a New Way to Count Prime Numbers
To make progress on one of number theory’s most elementary questions, two mathematicians turned to...
a week ago
To make progress on one of number theory’s most elementary questions, two mathematicians turned to an unlikely source.
The post Mathematicians Uncover a New Way to Count Prime Numbers first appeared on Quanta Magazine
Melting Asphalt
2015 Meta
Time for my annual blogging review. And only 11 days late! I'll keep it brief. Blog stats I...
over a year ago
Time for my annual blogging review. And only 11 days late! I'll keep it brief. Blog stats I published a paltry six full essays this year. Don't get me wrong: I'm proud of them. But still, six. It would be…
Read more ›
Blog - Practical...
What's the Difference Between Paint and Coatings?
[Note that this article is a transcript of the video embedded above.]
There’s a popular myth that...
over a year ago
[Note that this article is a transcript of the video embedded above.]
There’s a popular myth that I’ve heard about several bridges (including the Golden Gate Bridge in San Francisco and the Forth Bridge in eastern Scotland) that they paint the structure continuously from end to...
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
AI Designed Drugs
On a recent SGU live streaming discussion someone in the chat asked – aren’t frivolous AI...
8 months ago
On a recent SGU live streaming discussion someone in the chat asked – aren’t frivolous AI applications just toys without any useful output? The question was meant to downplay recent advances in generative AI. I pointed out that the question is a bit circular – aren’t frivolous...
The Roots of...
Can we “cure” cancer?
In an excellent recent essay on “big visions for biology,” Sam Rodriques writes:
Ask most biologists...
a year ago
In an excellent recent essay on “big visions for biology,” Sam Rodriques writes:
Ask most biologists about the cure for cancer, and they will tell you it doesn’t exist: cancer is many diseases that are mostly unrelated to each other, and that all have to be cured one at a...
The Works in...
Rust never sleeps
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
Andrew Fraknoi –...
Coming Up: Einstein without Tears; Religion and Extraterrestrial Life
Two upcoming events that may be of interest to you (please pass on to others who may like them): The...
2 months ago
Two upcoming events that may be of interest to you (please pass on to others who may like them): The Osher Lifelong Learning Institute at San Francisco State Presents: A non-technical, 6-week class with Professor Andrew Fraknoi Einstein without Tears Tuesdays from 12:30 to 2:30...
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...
Math Is Still...
Sparse Networks Come to the Aid of Big Physics
A novel type of neural network is helping physicists with the daunting challenge of data analysis. ...
a year ago
A novel type of neural network is helping physicists with the daunting challenge of data analysis.
The post Sparse Networks Come to the Aid of Big Physics first appeared on Quanta Magazine
Interaction Magic -...
Plastic archeology
The history, science and engineering of Lego bricks, on the cusp between trash and treasure.
a year ago
The history, science and engineering of Lego bricks, on the cusp between trash and treasure.
Math Is Still...
How Do Machines ‘Grok’ Data?
By apparently overtraining them, researchers have seen neural networks discover novel solutions to...
8 months ago
By apparently overtraining them, researchers have seen neural networks discover novel solutions to problems.
The post How Do Machines ‘Grok’ Data? first appeared on Quanta Magazine
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
nanoscale views
Cavities and tuning physics
I've written before about cavity quantum electrodynamics. An electromagnetic cavity - a resonator...
a year ago
I've written before about cavity quantum electrodynamics. An electromagnetic cavity - a resonator of some kind, like your microwave oven chamber is for microwaves, or like an optical cavity made using nearly perfect mirrors - picks out what electromagnetic modes are allowed...
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...
Quantum Computers Cross Critical Error Threshold
In a first, researchers have shown that adding more “qubits” to a quantum computer can make it more...
a week ago
In a first, researchers have shown that adding more “qubits” to a quantum computer can make it more resilient. It’s an essential step on the long road to practical applications.
The post Quantum Computers Cross Critical Error Threshold first appeared on Quanta...
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....
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
Casey Handmer's blog
Potentially undervalued companies
I am routinely solicited for my technical opinion on new and interesting technologies and companies...
3 months ago
I am routinely solicited for my technical opinion on new and interesting technologies and companies developing them. 90% of the time, my answer is “I don’t know” but it continues to concern me that aspects of technical feasibility are evidently not legible to financial types (and...
Chris Grossack's...
Life in Johnstone's Topological Topos 2 -- Topological Algebras
In the first post, we introduced Johnstone’s topological topos $\mathcal{T}$
and talked about what...
5 months ago
In the first post, we introduced Johnstone’s topological topos $\mathcal{T}$
and talked about what its objects look like. We showed how the interpretation
of type theory in $\mathcal{T}$ gives us an “intrinsic topology” on any
type we construct. We also alluded to the fact...
Wanderingspace
Space-X Looking Like 2001 Space Odyssey
Amazing shot. Looks like a movie.
a year ago
Amazing shot. Looks like a movie.
Blog - Practical...
HEAVY CONSTRUCTION of a Sewage Pump Station - Ep 1
Check out our new series! This is the first episode of a five-part pilot series to gauge your...
a year ago
Check out our new series! This is the first episode of a five-part pilot series to gauge your interest in "How It's Made"-esque heavy construction videos. Drop a comment or send me an email to let me know what you think! Watch on YouTube above or ad-free on Nebula here.
Out-of-Pocket Blog
Cool Facts About Health Insurance Enrollment with Aleka Gurel | Out-Of-Pocket
Tis the season
a year ago
nanoscale views
Materials labs of the future + cost
The NSF Division of Materials Research has been soliciting input from the community about both the...
over a year ago
The NSF Division of Materials Research has been soliciting input from the community about both the biggest outstanding problems in condensed matter and materials science, and the future of materials labs - what kind of infrastructure, training, etc. will be needed to address...
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...
NeuroLogica Blog
Decarbonizing Aviation and Agriculture
When we talk about reducing carbon release in order to slow down and hopefully stop anthropogenic...
2 months ago
When we talk about reducing carbon release in order to slow down and hopefully stop anthropogenic global warming much of the focus is on the energy and transportation sectors. There is a good reason for this – the energy sector is responsible for 25% of greenhouse gas (GHG)...
Math Is Still...
Why the Human Brain Perceives Small Numbers Better
Neuroscientists recently discovered that small numbers have a different neural signature than larger...
a year ago
Neuroscientists recently discovered that small numbers have a different neural signature than larger ones, offering a new look into the brain’s number system and its connections to memory and mathematics.
The post Why the Human Brain Perceives Small Numbers Better...
symmetry magazine
Vera C. Rubin Observatory brings the universe to everyone
The Rubin Observatory is making education and outreach a top priority.
a year ago
The Rubin Observatory is making education and outreach a top priority.
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.
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...
IEEE Spectrum
The Forgotten History of Chinese Keyboards
Today, typing in Chinese works by converting QWERTY keystrokes into Chinese characters via a...
6 months ago
Today, typing in Chinese works by converting QWERTY keystrokes into Chinese characters via a software interface, known as an input method editor. But this was not always the case. Thomas S. Mullaney’s new book, The Chinese Computer: A Global History of the Information Age,...
Beautiful Public...
Utah Highway LiDAR Scans
Utah's Department of Transportation uses state-of-the-art 3-D laser scanners to capture the surfaces...
over a year ago
Utah's Department of Transportation uses state-of-the-art 3-D laser scanners to capture the surfaces and area surrounding 15,000 miles of its roads.
Interaction Magic -...
3 tips for co-designing with kids
Designing future sports products with a group of 11 year olds.
a year ago
Designing future sports products with a group of 11 year olds.
Quantum Frontiers
Eight highlights from publishing a science book for the general public
What’s it like to publish a book? I’ve faced the question again and again this year, as my book...
over a year ago
What’s it like to publish a book? I’ve faced the question again and again this year, as my book Quantum Steampunk hit bookshelves in April. Two responses suggest themselves. On the one hand, I channel the Beatles: It’s a hard … Continue reading →
Math Is Still...
The Unraveling of Space-Time
This special issue of Quanta Magazine explores the ultimate scientific quest: the search for the...
2 months ago
This special issue of Quanta Magazine explores the ultimate scientific quest: the search for the fundamental nature of reality.
The post The Unraveling of Space-Time first appeared on Quanta Magazine
Inverted Passion
Getting things done by not trying
I recently finished a very short book with an intriguing title: Why Greatness Cannot be Planned....
2 months ago
I recently finished a very short book with an intriguing title: Why Greatness Cannot be Planned. It’s an unconventional self-help book disguised as a computer science research exposition (that’s why the publisher is Springer). I strongly recommend reading it. Here is a taste of...
NeuroLogica Blog
2023 Hottest Year on Record
What everyone knew was coming is now official – 2023 was the warmest year on record. This means we...
11 months ago
What everyone knew was coming is now official – 2023 was the warmest year on record. This means we can also say that the last 10 years are the hottest decade on record. 2023 dethrones 2016 as the previous warmest year and bumps 2010 out of the top 10. Further, in the last half of...
Probably...
What’s a Chartist?
Recently I heard the word “chartist” for the first time in my life (that I recall). And then later...
a month ago
Recently I heard the word “chartist” for the first time in my life (that I recall). And then later the same day, I heard it again. So that raises two questions: To answer the second question first, it’s someone who supported chartism, which was “a working-class movement for...
NeuroLogica Blog
3D Printing Superalloys
This is a cool material science development that nicely illustrates recent technological...
a year ago
This is a cool material science development that nicely illustrates recent technological advancements. Researchers at Sandia National Laboratories have created a superalloy using additive manufacturing (3D printing). That may not sound that impressive at first, but consider the...
Out-of-Pocket Blog
Common healthcare questions I get | Out-Of-Pocket
Some of your FAQs finally answered
2 weeks ago
Some of your FAQs finally answered
nanoscale views
What is a metal-insulator transition?
The recent excitement about the alleged high temperature superconductor "LK99" has introduced some...
a year ago
The recent excitement about the alleged high temperature superconductor "LK99" has introduced some in the public to the idea of a metal-insulator or insulator-metal transition (MIT/IMT). For example, one strong candidate explanation for the sharp drop in resistance as a function...
Math Is Still...
Computer Scientists Prove That Heat Destroys Quantum Entanglement
While devising a new quantum algorithm, four researchers accidentally established a hard limit on...
3 months ago
While devising a new quantum algorithm, four researchers accidentally established a hard limit on entanglement.
The post Computer Scientists Prove That Heat Destroys Quantum Entanglement first appeared on Quanta Magazine
NeuroLogica Blog
UFOs and the Pandemic
Did UFO reporting increase during the pandemic? A group of researchers set out to answer that...
a year ago
Did UFO reporting increase during the pandemic? A group of researchers set out to answer that question, and recently published their results. Their hypothesis was two-fold, including the notion that people had more free time during the shutdown and perhaps spent more time out...
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...
Math Is Still...
How Chain-of-Thought Reasoning Helps Neural Networks Compute
Large language models do better at solving problems when they show their work. Researchers are...
9 months ago
Large language models do better at solving problems when they show their work. Researchers are beginning to understand why.
The post How Chain-of-Thought Reasoning Helps Neural Networks Compute first appeared on Quanta Magazine
Math Is Still...
Tiny Jets on the Sun Power the Colossal Solar Wind
A new analysis argues that ubiquitous eruptions in the sun’s corona explain the vast flow of charged...
a year ago
A new analysis argues that ubiquitous eruptions in the sun’s corona explain the vast flow of charged particles seen streaming out through the solar system.
The post Tiny Jets on the Sun Power the Colossal Solar Wind first appeared on Quanta Magazine
Out-of-Pocket Blog
Answers: How should physicians get paid? | Out-Of-Pocket
What is a "fair amount" for a physician to get paid?
a year ago
What is a "fair amount" for a physician to get paid?
NeuroLogica Blog
What Is Orbitronics
You have definitely heard of electronics. You may (if you are a tech nerd like me) have heard of...
2 months ago
You have definitely heard of electronics. You may (if you are a tech nerd like me) have heard of spintronics and photonics. Now there is also the possibility of orbitronics. What do these cool-sounding words mean? Electronic technology is one of those core technologies that has...
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...
Asterisk
Crash Testing GPT-4
Can we tell if an AI model is safe before it’s released? The group that tested GPT–4 is trying to...
a year ago
Can we tell if an AI model is safe before it’s released? The group that tested GPT–4 is trying to figure out how.
Math Is Still...
How Math Achieved Transcendence
Transcendental numbers include famous examples like e and π, but it took mathematicians centuries to...
a year ago
Transcendental numbers include famous examples like e and π, but it took mathematicians centuries to understand them.
The post How Math Achieved Transcendence first appeared on Quanta Magazine
Tikalon Blog by Dev...
Tikalon Blog Archive
Tikalon Blog is now in archive mode. Here's a directory of links to easily printed and saved...
3 months ago
Tikalon Blog is now in archive mode. Here's a directory of links to easily printed and saved articles. If you're willing to wait a while for the download, a zip file of all the blog articles can be found at the link below. Note, however, that these articles are copyrighted and...
Math Is Still...
Mathematicians Attempt to Glimpse Past the Big Bang
By studying the geometry of model space-times, researchers offer alternative views of the universe’s...
6 months ago
By studying the geometry of model space-times, researchers offer alternative views of the universe’s first moments.
The post Mathematicians Attempt to Glimpse Past the Big Bang first appeared on Quanta Magazine
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...
Light from Space
Lunar Eclipse Triptych
A total lunar eclipse is (next to the much rarer solar eclipses) a spectacle to behold and one of...
over a year ago
A total lunar eclipse is (next to the much rarer solar eclipses) a spectacle to behold and one of the few celestial events that happen in human timescales in the course of a few hours.
In mid-May 2022 there was a beautiful eclipse visible from North America and I have
Blog - Practical...
Why There's a Legal Price for a Human Life
[Note that this article is a transcript of the video embedded above.]
One of the very first...
a year ago
[Note that this article is a transcript of the video embedded above.]
One of the very first documented engineering disasters happened in 27 AD in the early days of the Roman Empire. A freed slave named Atilius built a wooden amphitheater in a town called Fidenae outside of Rome....
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...
symmetry magazine
Collaboration builds fantastical stories from nuggets of truth
What happens when you pair CERN scientists with science fiction writers to create short stories...
a year ago
What happens when you pair CERN scientists with science fiction writers to create short stories inspired by particle physics?
IEEE Spectrum
50 Years Later, We’re Still Living in the Xerox Alto’s World
I’m sitting in front of a computer, looking at its graphical user interface with overlapping windows...
a year ago
I’m sitting in front of a computer, looking at its graphical user interface with overlapping windows on a high-resolution screen. I interact with the computer by pointing and clicking with a mouse and typing on a keyboard. I’m using a word processor with the core features and...
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
Melting Asphalt
Crony Beliefs
[Note: if you prefer audio, you can listen to this essay narrated by Grognor on his excellent...
over a year ago
[Note: if you prefer audio, you can listen to this essay narrated by Grognor on his excellent podcast Second Enumerations. —Ed.] Credits up front: This essay draws heavily from Overcoming Bias, Less Wrong, Slate Star Codex, Robert Kurzban, Robert…
Read more ›
NeuroLogica Blog
New Theory Unites Gravity and Quantum Mechanics
One of the greatest mysteries of modern science is how to unite the two overarching theories of...
a year ago
One of the greatest mysteries of modern science is how to unite the two overarching theories of physics – quantum mechanics and general relativity. If physicists could somehow unite these two theories, which currently do not play well together, then we might get to a deeper “one...
NeuroLogica Blog
Everything Will Evaporate
What will be the ultimate fate of our universe? There are a number of theories and possibilities,...
a year ago
What will be the ultimate fate of our universe? There are a number of theories and possibilities, but at present the most likely scenario seems to be that the universe will continue to expand, most mass will eventually find its way into a black hole, and those black holes will...
Wanderingspace
Neptune from the James Webb Space Telescope
Webb’s latest image is the clearest look at Neptune's rings in 30+ years, and our first time seeing...
over a year ago
Webb’s latest image is the clearest look at Neptune's rings in 30+ years, and our first time seeing them in infrared light. Take in Webb's ghostly, ethereal views of the planet and its dust bands, rings and moons: https://go.nasa.gov/3RXxoGq #IAC2022
Math Is Still...
Overexposure Distorted the Science of Mirror Neurons
After a decade out of the spotlight, the brain cells once alleged to explain empathy, autism and...
8 months ago
After a decade out of the spotlight, the brain cells once alleged to explain empathy, autism and theory of mind are being refined and redefined.
The post Overexposure Distorted the Science of Mirror Neurons first appeared on Quanta Magazine
nanoscale views
Items of interest
The time since the APS meeting has been very busy, hence the lack of posting. A few items of...
9 months ago
The time since the APS meeting has been very busy, hence the lack of posting. A few items of interest:
The present issue of Nature Physics has several articles about physics education that I really want to read.
This past week we hosted N. Peter Armitage for a really fun...
Math Is Still...
Animal Mutation Rates Reveal Traits That Speed Evolution
The first large-scale comparison of mutation rates gives insights into how quickly species can...
a year ago
The first large-scale comparison of mutation rates gives insights into how quickly species can evolve.
The post Animal Mutation Rates Reveal Traits That Speed Evolution first appeared on Quanta Magazine
Explorations of an...
2023 Part 2: Early March through April (Brazil)
March
On March 4, Laura and I landed in São Paulo. It was our first time in Brazil. Even though we...
12 months ago
March
On March 4, Laura and I landed in São Paulo. It was our first time in Brazil. Even though we had planned to spend much of the next two months exploring Brazil, the country is so large that we could only see a small portion of it. We restricted our route to only include...
Drew Ex Machina
An ISS Success Story: CyMISS (Tropical Cyclone Intensity Measurements from the ISS) to the Hurricane...
The team at Tropical Weather Analytics (TWA), where this author is the Chief Scientist, had the...
4 months ago
The team at Tropical Weather Analytics (TWA), where this author is the Chief Scientist, had the honor of having our poster about our previous work on […]
Math Is Still...
Machine Learning Aids Classical Modeling of Quantum Systems
By using “classical shadows,” ordinary computers can beat quantum computers at the tricky task of...
a year ago
By using “classical shadows,” ordinary computers can beat quantum computers at the tricky task of understanding quantum behaviors.
The post Machine Learning Aids Classical Modeling of Quantum Systems first appeared on Quanta Magazine
Out-of-Pocket Blog
Machine Vision, Robots, and Endoscopes with Matt Schwartz | Out-Of-Pocket
When GI met AI
a year ago
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?
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 […]
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,...
Explorations of an...
Day Two At Río Bigal - Brilliant Birding and Magnificent Mothing
The Pink-throated Brilliant.
There are, of course, many other weird and wonderful species that call...
a year ago
The Pink-throated Brilliant.
There are, of course, many other weird and wonderful species that call Río Bigal home, but I was first drawn to the idea of visiting this reserve while reading about the enigmatic Pink-throated Brilliant. This rare hummingbird lives only in forest in...
brr
Brr Wants A Job
8 months post-ice, it's time for something new!
5 months ago
8 months post-ice, it's time for something new!
Andrew Fraknoi –...
Injecting Caution Into Media Reports of Northern Lights as far South as California
Friday, May 10, there was a lot of discussion on the news, on social media, and on different web...
7 months ago
Friday, May 10, there was a lot of discussion on the news, on social media, and on different web sites about storms on the Sun that are unleashing great outbursts of radiation and particles, some of them toward Earth. The fact that we are seeing such “space weather” now certainly...
NeuroLogica Blog
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...
pcloadletter
Surely dark UX doesn't work in the long run
I was just feeling pretty good—I published my article about RSS and it's being pretty...
10 months ago
I was just feeling pretty good—I published my article about RSS and it's being pretty well-received.
I decided a fitting way to celebrate was to head on over to Feedly and catch up on some reading! I clicked on an engineers blog feed to check out here latest couple posts. I...
NeuroLogica Blog
The Next Step in Space Travel
The European Space Agency (ESA) has announced they are developing their own commercial space...
a year ago
The European Space Agency (ESA) has announced they are developing their own commercial space capsule. This will be used initially for cargo, but then eventually for crew as well. They anticipate a maiden voyage in 2028. I think this is a positive development. It seems we are...
Math Is Still...
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
Math Is Still...
Bats Use the Same Brain Cells to Map Physical and Social Worlds
New research in social bats raises the intriguing possibility that evolution can reprogram the...
a year ago
New research in social bats raises the intriguing possibility that evolution can reprogram the brain’s “place cells,” which are typically associated with location, to encode all kinds of environmental information.
The post Bats Use the Same Brain Cells to Map Physical...
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
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.
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
nanoscale views
Guide to faculty searches, 2024 edition
As you can tell from my posting frequency lately, I have been unusually busy. I hope to be writing...
2 months ago
As you can tell from my posting frequency lately, I have been unusually busy. I hope to be writing about more condensed matter and nano science soon. In the meantime, I realized that I have not re-posted or updated my primer on how tenure-track faculty searches work in physics...
Beautiful Public...
Pilot Manual for a 1940's U.S. Navy Blimp
This 122 page manual contains all of the operating instructions and technical details needed to...
a year ago
This 122 page manual contains all of the operating instructions and technical details needed to pilot this sleek, silver, 250 foot long, weaponized anti-submarine dirigible.
Explorations of an...
Heading East Across The Chaco
I’ve written about the Chaco region before – that vast dry, scrubby area south of the Amazon which...
a year ago
I’ve written about the Chaco region before – that vast dry, scrubby area south of the Amazon which happens to cover much of central and northern Argentina. Laura and I had skirted the edge of the Chaco earlier in the trip, including near Laguna Salinas Grande and in the Salta...
Sean Carroll
Johns Hopkins
As far as I remember, the first time I stepped onto a university campus was in junior high school,...
over a year ago
As far as I remember, the first time I stepped onto a university campus was in junior high school, when I visited Johns Hopkins for an awards ceremony for the Study of Mathematically Precocious Youth. (I grew up in an environment that didn’t involve spending a lot of time on...
nanoscale views
Brief items - LOC, GPT, etc.
This year was a busy one and my overall posting rate is down. Hopefully the coming year will be a...
over a year ago
This year was a busy one and my overall posting rate is down. Hopefully the coming year will be a bit less frenetic, but who knows. A few brief items:
First, in the odd self-promotion department, this blog is officially going to be indexed by the Library of Congress as part...
Chris Grossack's...
$\mathsf{B}\text{Diff}(\Sigma)$ Classifies $\Sigma$-bundles
I’ve been trying to learn all about topological (quantum) field theories, the
cobordism hypothesis,...
yesterday
I’ve been trying to learn all about topological (quantum) field theories, the
cobordism hypothesis, and how to use $(\infty,n)$-categories. This is all
in service of some stuff I’m doing with skein algebras (which are part of a
“$3+1$ TQFT” often named after Crane–Yetter, but...
NeuroLogica Blog
Ghosts Are Not Real
It’s Halloween, so there are a lot of fluff pieces about ghosts and similar phenomena circulating in...
a year ago
It’s Halloween, so there are a lot of fluff pieces about ghosts and similar phenomena circulating in the media. There are some good skeptical pieces as well, which is always nice to see. For this piece I did not want to frame the headline as a question, which I think is...
Asterisk
The Puzzle of Non-Proliferation
Today, only nine countries have nuclear weapons. That outcome was hardly inevitable, and the story...
a year ago
Today, only nine countries have nuclear weapons. That outcome was hardly inevitable, and the story of how we arrived there holds important lessons for AI.
Blog - Practical...
These Metals Destroy Themselves to Prevent Rust
[Note that this article is a transcript of the video embedded above.]
This is the old Howard...
over a year ago
[Note that this article is a transcript of the video embedded above.]
This is the old Howard Frankland Bridge that carries roughly 180,000 vehicles per day across Old Tampa Bay between St. Petersburg and Tampa, Florida. A replacement for the bridge is currently under...
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...
Asterisk
Feeding the World Without Sunlight
In 1815, the largest volcanic eruption in recorded history led to harvest failures across the globe....
a year ago
In 1815, the largest volcanic eruption in recorded history led to harvest failures across the globe. Today, a nuclear winter could bring the global food system crashing down. Is it possible to feed the world in the aftermath of a catastrophe?
Marine Madness
Book club: ‘Being Salmon Being Human’ by Martin Lee Mueller
Encountering the Wild in Us and Us in the Wild Norwegian and Pacific Northwest salmon industries...
over a year ago
Encountering the Wild in Us and Us in the Wild Norwegian and Pacific Northwest salmon industries remain largely overlooked and Martin Lee Mueller cleverly weaves the stories of artificially inseminated and reared salmon to highlight the long-standing notion of human...
Casey Handmer's blog
Why do we need a Department of Government Efficiency?
President Trump’s recent sweeping electoral victory is a clear mandate for change. There is some...
2 weeks ago
President Trump’s recent sweeping electoral victory is a clear mandate for change. There is some urgency, and Trump has assembled the early stages of a team and coalition that can deliver it. It’s not exactly a mystery what Elon and Vivek plan for The Department of Government...
Out-of-Pocket Blog
Six (More) Healthcare Startup Ideas | Out-Of-Pocket
In collaboration with The Generalist, one of the few newsletters I read end-to-end every time
a year ago
In collaboration with The Generalist, one of the few newsletters I read end-to-end every time
Math Is Still...
These Cells Spark Electricity in the Brain. They’re Not Neurons.
For decades, researchers have debated whether brain cells called astrocytes can signal like neurons....
a year ago
For decades, researchers have debated whether brain cells called astrocytes can signal like neurons. Researchers recently published the best evidence yet that some astrocytes are part of the electrical conversation.
The post These Cells Spark Electricity in the Brain....
Andrew Fraknoi –...
Good Meteor Shower Coming August 11-12
The Perseid Meteor Shower is one of the best of the year for the untrained observer
The post Good...
4 months ago
The Perseid Meteor Shower is one of the best of the year for the untrained observer
The post Good Meteor Shower Coming August 11-12 appeared first on Andrew Fraknoi - Astronomy Lectures - Astronomy Education Resources.
Cremieux Recueil
The Ottoman Origins of Modernity
Would we have the modern world without Islamic incursion into Southeastern Europe?
3 months ago
Would we have the modern world without Islamic incursion into Southeastern Europe?
Damn Interesting
The Comforts of the Throne
In the days when hunting was a more common pursuit than it is today, those involved in the job...
over a year ago
In the days when hunting was a more common pursuit than it is today, those involved in the job cultivated a taxonomy for the various droppings they might encounter and use for tracking. Thus, rather than merely looking out for scat, those stalking deer would keep an eye peeled...
nanoscale views
The problems and opportunities of data
We live in a world of "big data", and this presents a number of challenges for how we handle this at...
a year ago
We live in a world of "big data", and this presents a number of challenges for how we handle this at research universities. Until relatively recently, the domain of huge volume/huge throughput scientific data was chiefly that of the nuclear/particle physics community and then...
NeuroLogica Blog
RFK Jr., Joe Rogan, and Vaccines
RFK Jr., who is now running for the Democratic presidential nomination, is anti-vaccine. He will...
a year ago
RFK Jr., who is now running for the Democratic presidential nomination, is anti-vaccine. He will vehemently deny this, but I don’t buy it for a second. He is simply playing the, “I’m not anti-vaccine, I am pro-safe vaccine” gambit, which is disingenuous and always has been. We...
Out-of-Pocket Blog
New Health Plans Need New Operating Systems with Flume Health | Out-Of-Pocket
this claim is automatic, programmatic, hypnotic, funky fresh
a year ago
this claim is automatic, programmatic, hypnotic, funky fresh
NeuroLogica Blog
New Whale Fossil – Possibly Heaviest Animal Ever
The largest and heaviest animal to ever live on the Earth, as far as we know, is the blue whale,...
a year ago
The largest and heaviest animal to ever live on the Earth, as far as we know, is the blue whale, which is extant today. The blue whale is larger than any dinosaur, even the giant sauropods. The average weight of a blue whale is 160 tons, with the largest specimen being 190 tons,...
nanoscale views
Some recent papers of interest
A couple of recent papers that seem interesting and I need to read more closely:
This paper in...
a year ago
A couple of recent papers that seem interesting and I need to read more closely:
This paper in Nature, a collaboration between folks at Ohio University and Argonne, is a neat combination of scanning tunneling microscopy and (synchrotron-enabled) resonant x-ray absorption. The...
Math Is Still...
The Usefulness of a Memory Guides Where the Brain Saves It
New research finds that the memories useful for future generalizations are held in the brain...
a year ago
New research finds that the memories useful for future generalizations are held in the brain separately from those recording unusual events.
The post The Usefulness of a Memory Guides Where the Brain Saves It first appeared on Quanta Magazine
Math Is Still...
How Colorful Ribbon Diagrams Became the Face of Proteins
Proteins are often visualized as cascades of curled ribbons and twisted strings, which both reveal...
4 months ago
Proteins are often visualized as cascades of curled ribbons and twisted strings, which both reveal and conceal the mess of atoms that make up these impossibly complex molecules.
The post How Colorful Ribbon Diagrams Became the Face of Proteins first appeared on Quanta...
Cremieux Recueil
Preregistration Is No Panacea
Stopping scientific cheaters requires setting up systems that can't be gamed
a month ago
Stopping scientific cheaters requires setting up systems that can't be gamed
Explorations of an...
2023 Part 4: Indonesia and Ecuador
September
The island of Sulawesi must be on the bucket list for any naturalist with a strong...
11 months ago
September
The island of Sulawesi must be on the bucket list for any naturalist with a strong interest in biogeography. Though Borneo is situated only a few hundred kilometers to the west, and the Moluccas are not far to the east, the species composition of Sulawesi is...
symmetry magazine
IceCube and NANOGrav open new windows onto the universe
New results from a neutrino telescope and a gravitational-wave observatory show how astronomers use...
a year ago
New results from a neutrino telescope and a gravitational-wave observatory show how astronomers use different forms of messengers to study the cosmos.
Drew Ex Machina
The Largest Launch Vehicles in Service – 1957 to the Present
With the successful launch of NASA’s Artemis I test flight, we now have a new holder of the title...
over a year ago
With the successful launch of NASA’s Artemis I test flight, we now have a new holder of the title “the largest launch vehicle in service”: the […]
Quantum Frontiers
My experimental adventures in quantum thermodynamics
Imagine a billiard ball bouncing around on a pool table. High-school level physics enables us to...
9 months ago
Imagine a billiard ball bouncing around on a pool table. High-school level physics enables us to predict its motion until the end of time using simple equations for energy and momentum conservation, as long as you know the initial conditions … Continue reading →
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...
Blog - Practical...
4 Myths About Construction Debunked
[Note that this article is a transcript of the video embedded above.]
Construction is something you...
over a year ago
[Note that this article is a transcript of the video embedded above.]
Construction is something you probably either love or hate, depending on your commute or profession. Obviously, as a civil engineer, it’s something I think a lot about, and over the past 6 years of reading...
Math Is Still...
A New Map of the Universe, Painted With Cosmic Neutrinos
Physicists finally know where at least some of these high-energy particles come from, which helps...
a year ago
Physicists finally know where at least some of these high-energy particles come from, which helps make the neutrinos useful for exploring fundamental physics.
The post A New Map of the Universe, Painted With Cosmic Neutrinos first appeared on Quanta Magazine
Out-of-Pocket Blog
Pharmacies Inside-and-Out With John Capecelatro | Out-Of-Pocket
How does a pharmacy actually work?
a year ago
How does a pharmacy actually work?
Interaction Magic -...
Light Engineering
Exploring the physics and engineering of light pipes, where optics and mechanical design meet.
over a year ago
Exploring the physics and engineering of light pipes, where optics and mechanical design meet.
ToughSF
How to Live on Other Planets: Uranus
The weirdest of the planets.
A blue giant, resting on its side.
Could we find a home in...
over a year ago
The weirdest of the planets.
A blue giant, resting on its side.
Could we find a home in the
Uranian system?
Description
Uranus is the fourth-largest
planet and the first ‘ice giant’. It orbits between 18.3 and 20.1 AU from the
Sun, making it four times more distant than...
Explorations of an...
The Quest For The Rufous-throated Dipper
The east slope of the Andes is one of my favourite places in the world to explore. As I've mentioned...
a year ago
The east slope of the Andes is one of my favourite places in the world to explore. As I've mentioned before on this blog, this is due to several factors, but prime among them is that this slope receives a high level of rainfall. Turn on the taps, and you turn on the biodiversity....
Drew Ex Machina
First Pictures: Views of Mars from NASA’s Mars Observer – July 27, 1993
Having enthusiastically followed NASA’s Viking mission to Mars as a teenager during the late-1970s,...
a year ago
Having enthusiastically followed NASA’s Viking mission to Mars as a teenager during the late-1970s, the lack of any new NASA missions to Mars during the 1980s […]
Willem Pennings
ClockSquared improvements
My ClockSquared project has a long history – it goes all the way back to 2015, when it was simply...
a year ago
My ClockSquared project has a long history – it goes all the way back to 2015, when it was simply called the “Birthday word clock”. I haven’t spent much time on the project in recent years, but I’ve upgraded the internals a while ago and finally felt like writing a post about it....
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,...
pcloadletter
RSS is still pretty great
I think a lot about information and information consumption. The way the Internet made information...
10 months ago
I think a lot about information and information consumption. The way the Internet made information readily available is phenomenal. Sadly, the signal-to-noise ratio here is pretty low. For me, consuming RSS feeds[1] offers the best way to read the kind of high-quality information...
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
Chris Grossack's...
Talk - Where Are The Open Sets?
I was invited to give a talk at HoTTEST 2022, and was more than
happy to accept! Ever since I was...
over a year ago
I was invited to give a talk at HoTTEST 2022, and was more than
happy to accept! Ever since I was first learning HoTT I was curious how
we could be sure that theorems in HoTT give us corresponding theorems in
“classical” homotopy theory. Earlier this summer I spent a lot of...
Tikalon Blog by Dev...
Adornment
"Form follows function" is a maxim that an object's shape and appearance should be defined only by...
3 months ago
"Form follows function" is a maxim that an object's shape and appearance should be defined only by its purpose or function. A quick perusal of any antique shop will show that this maxim is generally ignored. Humans (Homo sapiens) have been called "naked apes," but we and our...
The Works in...
The road from serfdom
Using opt-ins to reform Russia's backwards tsarist agricultural sector
9 months ago
Using opt-ins to reform Russia's backwards tsarist agricultural sector
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
Math Is Still...
‘Embryo Models’ Challenge Legal, Ethical and Biological Concepts
With embryolike constructs built entirely from stem cells, researchers can revolutionize our...
a year ago
With embryolike constructs built entirely from stem cells, researchers can revolutionize our understanding of development. But how close to an embryo is too close?
The post ‘Embryo Models’ Challenge Legal, Ethical and Biological Concepts first appeared on Quanta...
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
USAF Project Able-1: The First Attempt to Reach the Moon
In the years leading up to the beginning of the Space Age, there were many studies made in the West...
over a year ago
In the years leading up to the beginning of the Space Age, there were many studies made in the West about lunar missions which gripped the […]
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
Many Worlds
After Seven Years Away Exploring an Asteroid, OSIRIS-REx is Landing Soon with Precious Samples
Bits of pebbles and dust from the asteriod Bennu that were collected during the long journey of the...
a year ago
Bits of pebbles and dust from the asteriod Bennu that were collected during the long journey of the OSIRIS-REx spacecraft should be landing in the Utah desert later this month. The delivery will be a first for NASA — its first sample return from an asteroid and one of a very...
Probably...
Happy Launch Day!
Today is the official publication date of Probably Overthinking It! You can get a 30% discount if...
a year ago
Today is the official publication date of Probably Overthinking It! You can get a 30% discount if you order from the publisher and use the code UCPNEW. You can also order from Amazon or, if you want to support independent bookstores, from Bookshop.org. I celebrated launch day by...
Math Is Still...
The Physical Process That Powers a New Type of Generative AI
Some modern image generators rely on the principles of diffusion to create images. Alternatives...
a year ago
Some modern image generators rely on the principles of diffusion to create images. Alternatives based on the process behind the distribution of charged particles may yield even better results.
The post The Physical Process That Powers a New Type of Generative AI first...
Blog - Practical...
How Different Spillway Gates Work
[Note that this article is a transcript of the video embedded above.]
In the heart of Minneapolis,...
a year ago
[Note that this article is a transcript of the video embedded above.]
In the heart of Minneapolis, Minnesota on the Mississippi River is the picturesque Upper Saint Anthony Falls Lock and Dam, which originally made it possible to travel upstream on the river past the falls...
Wanderingspace
We don’t post enough Mars Scenic Views
I mean… we don’t post enough in general.
over a year ago
I mean… we don’t post enough in general.
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?
IEEE Spectrum
What It Takes To Let People Play With the Past
Media Archaeology Lab is one of the largest public collections in the world of obsolete, yet...
3 months ago
Media Archaeology Lab is one of the largest public collections in the world of obsolete, yet functional, technology. Located on the University of Colorado Boulder campus, the MAL is where you can watch a magic lantern show, play Star Castle on a Vectrex games console, or check...
Math Is Still...
Mathematicians Find Hidden Structure in a Common Type of Space
In 50 years of searching, mathematicians found only one example of a “subspace design” in a vector...
a year ago
In 50 years of searching, mathematicians found only one example of a “subspace design” in a vector space. A new proof reveals that there are infinitely more out there.
The post Mathematicians Find Hidden Structure in a Common Type of Space first appeared on Quanta...
Math Is Still...
To Pack Spheres Tightly, Mathematicians Throw Them at Random
Four mathematicians broke a 75-year-old record by finding a denser way to pack high-dimensional...
7 months ago
Four mathematicians broke a 75-year-old record by finding a denser way to pack high-dimensional spheres.
The post To Pack Spheres Tightly, Mathematicians Throw Them at Random first appeared on Quanta Magazine
Andrew Fraknoi –...
Good Meteor Shower This Week
Wednesday evening and Thursday morning (Dec. 13-14) is the peak time for one of the best meteor...
a year ago
Wednesday evening and Thursday morning (Dec. 13-14) is the peak time for one of the best meteor showers of the year – the Geminids.
The post Good Meteor Shower This Week appeared first on Andrew Fraknoi - Astronomy Lectures - Astronomy Education Resources.
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...
Math Is Still...
How Is Cell Death Essential to Life?
Cells in our bodies are constantly dying — and these countless tiny deaths are essential to human...
2 weeks ago
Cells in our bodies are constantly dying — and these countless tiny deaths are essential to human health and multicellular life itself. In this episode, co-host Steven Strogatz speaks with cellular biologist Shai Shaham about what makes a cell “alive” and the latest developments...
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
UK Building More Nuclear
The nuclear debate seems never-ending, which I guess is to be expected. Every large technology has...
a year ago
The nuclear debate seems never-ending, which I guess is to be expected. Every large technology has tradeoffs. But the need to transition our energy infrastructure to carbon neutral has shifted the equation, and it is now arguable that we cannot afford to ignore the option of...
Math Is Still...
New Proof Threads the Needle on a Sticky Geometry Problem
A new proof marks major progress toward solving the Kakeya conjecture, a deceptively simple question...
a year ago
A new proof marks major progress toward solving the Kakeya conjecture, a deceptively simple question that underpins a tower of conjectures.
The post New Proof Threads the Needle on a Sticky Geometry Problem first appeared on Quanta Magazine
Out-of-Pocket Blog
Scaling Organizations, Patient Payments, and Collections with Lora Rosenblum | Out-Of-Pocket
Why am I getting bills 6 months later, Lora pls help
a year ago
Why am I getting bills 6 months later, Lora pls help
Probably...
Bootstrapping a Proportion
It’s another installment in Data Q&A: Answering the real questions with Python. Previous...
2 months ago
It’s another installment in Data Q&A: Answering the real questions with Python. Previous installments are available from the Data Q&A landing page. Here’s a question from the Reddit statistics forum. How do I use bootstrapping to generate confidence intervals for a...
NeuroLogica Blog
AI Companions – Good or Bad?
Often times the answer to a binary question is “yes”. Is artificial intelligence (AI) a powerful and...
5 months ago
Often times the answer to a binary question is “yes”. Is artificial intelligence (AI) a powerful and quickly advancing tool or is it overhyped? Yes. Are opiates useful medicines or dangerous drugs? Yes. Is Elon Musk a technological visionary or an eccentric opportunist? This is...
Math Is Still...
The Colorful Problem That Has Long Frustrated Mathematicians
The four-color problem is simple to explain, but its complex proof continues to be both celebrated...
a year ago
The four-color problem is simple to explain, but its complex proof continues to be both celebrated and despised.
The post The Colorful Problem That Has Long Frustrated Mathematicians first appeared on Quanta Magazine
Chris Grossack's...
Preprint -- The RAAG Functor as a Categorical Embedding
After almost a year of sitting on my hard drive, I finally had time in
August to finish revising my...
a year ago
After almost a year of sitting on my hard drive, I finally had time in
August to finish revising my new preprint on
Right Angled Artin Groups (Raags). And in September I had time to put
it on the arxiv for people to see! Within 24 hours I had an email from
somebody who had...
Math Is Still...
Inside Scientists’ Life-Saving Prediction of the Iceland Eruption
The Reykjanes Peninsula has entered a new volcanic era. Innovative efforts to map and monitor the...
10 months ago
The Reykjanes Peninsula has entered a new volcanic era. Innovative efforts to map and monitor the subterranean magma are saving lives.
The post Inside Scientists’ Life-Saving Prediction of the Iceland Eruption first appeared on Quanta Magazine
Sean Carroll
The Zombie Argument for Physicalism (Contra Panpsychism)
The nature of consciousness remains a contentious subject out there. I’m a physicalist myself — as I...
over a year ago
The nature of consciousness remains a contentious subject out there. I’m a physicalist myself — as I explain in The Big Picture and elsewhere, I think consciousness is best understood as weakly-emergent from the ordinary physical behavior of matter, without requiring any special...
Eukaryote Writes...
Fiber arts, mysterious dodecahedrons, and waiting on “Eureka!”
Why didn't we invent knitting before 1000 CE?
over a year ago
Why didn't we invent knitting before 1000 CE?
Explorations of an...
Marsh Birding In Ceibas And Otamendi
February 18, 2023
Laura and I left Parque Nacional El Palmar and continued south towards Buenos...
a year ago
February 18, 2023
Laura and I left Parque Nacional El Palmar and continued south towards Buenos Aires and beyond. We had just five days remaining in our Argentina trip, with ferry tickets purchased that would take us to Uruguay on February 23. At this point in the trip, potential...
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...
Asterisk
Development Finance Done Right
A veteran diplomat explains how to navigate the U.S. development ecosystem, master the interagency...
5 months ago
A veteran diplomat explains how to navigate the U.S. development ecosystem, master the interagency process, and bring electricity to 200 million people.
Probably...
Probably the Book
Last week I had the pleasure of presenting a keynote at posit::conf(2024). When the video is...
4 months ago
Last week I had the pleasure of presenting a keynote at posit::conf(2024). When the video is available, I will post it here. In the meantime, you can read the slides, if you don’t mind spoilers. For people at the conference who don’t know me, this might be a good time to...
ToughSF
Space Tethers: Stringing up the Solar System
All the methods we have used to reach space so far have been subject to the Tsiolkovsky rocket...
over a year ago
All the methods we have used to reach space so far have been subject to the Tsiolkovsky rocket equation - propellant must be ejected and more and more of it is needed to go further.
What if we could break that equation with rotating orbital tethers?
The tether
I have worked...
Explorations of an...
2023 Part 5: Late Summer To Early Winter In Ontario
August and September
In the middle of August, I traveled to Letchworth State Park in New York for a...
11 months ago
August and September
In the middle of August, I traveled to Letchworth State Park in New York for a weekend with some of my family. It was wonderful to spend time with everyone, as well as to get in some hiking and find some species that I haven't seen before in Ontario (mostly...
IEEE Spectrum
50 Years Later, This Apollo-Era Antenna Still Talks to Voyager 2
For more than 50 years, Deep Space Station 43 has been an invaluable tool for space probes as they...
8 months ago
For more than 50 years, Deep Space Station 43 has been an invaluable tool for space probes as they explore our solar system and push into the beyond. The DSS-43 radio antenna, located at the Canberra Deep Space Communication Complex, near Canberra, Australia, keeps open the line...
IEEE Spectrum
Chuck E. Cheese’s Animatronics Band Bows Out
That may have been the last time I entered a Chuck E. Cheese pizzeria. And yet, when I heard that...
2 weeks ago
That may have been the last time I entered a Chuck E. Cheese pizzeria. And yet, when I heard that the company was phasing out the animatronic bands from all but five locations by the end of this year, I felt a twinge of nostalgia. Much to my surprise, I was truly sad that the...
NeuroLogica Blog
Artificial Diamond Boom
The history of aluminum, and what is now happening in the artificial diamond market, may tell us...
a year ago
The history of aluminum, and what is now happening in the artificial diamond market, may tell us something about a post-scarcity world. Aluminum is the most abundant metal in the Earth’s crust. However, it like to form with other elements and therefore it was very difficulty to...
Wanderingspace
Apollo Lunar Rover Video Corrected Speed and Stabilized
It is remarkable the difference watching this version where the time is corrected and camera...
over a year ago
It is remarkable the difference watching this version where the time is corrected and camera stabilized.. The film restorer behind DutchSteamMachine used AI to stabilize shaky footage and generate new frames in NASA moon landing films; increasing the frame rate, smoothed the...
nanoscale views
What are "quantum oscillations"?
For the first time in a couple of decades, I was visiting the Aspen Center for Physics, which is...
a year ago
For the first time in a couple of decades, I was visiting the Aspen Center for Physics, which is always a fun, intellectually stimulating experience. (Side note: I sure hope that the rapidly escalating costs of everything in the Aspen area don't make this venue untenable in the...
The Works in...
Growing Forests
As countries develop, deforestation drops
a year ago
As countries develop, deforestation drops
Asterisk
Michael Lewis’s Blind Side
In Going Infinite, the famed chronicler of American finance proves he’s more interested in myths...
10 months ago
In Going Infinite, the famed chronicler of American finance proves he’s more interested in myths than morals — or even math.
Asterisk
The Illogic of Nuclear Escalation
How much is enough? It’s the most basic question in the nuclear arms race. For over sixty years, few...
over a year ago
How much is enough? It’s the most basic question in the nuclear arms race. For over sixty years, few have asked it, and even fewer have received an answer.
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?
Interaction Magic -...
Interaction20 Round-up
Summary of all the amazing, curious and challenging ideas from last week's IXDA Interaction 20...
over a year ago
Summary of all the amazing, curious and challenging ideas from last week's IXDA Interaction 20 conference.
Math Is Still...
Can Math and Physics Save an Arrhythmic Heart?
Abnormal waves of electrical activity can cause a heart’s muscle cells to beat out of sync. In this...
a year ago
Abnormal waves of electrical activity can cause a heart’s muscle cells to beat out of sync. In this episode, Flavio Fenton, an expert in cardiac dynamics, talks with Steve Strogatz about ways to treat heart arrhythmias without resorting to painful defibrillators.
The...
ToughSF
Fusion without Fissiles: Superbombs and Wilderness Orion
Fusion technology today relies on expensive, building-sized equipment for ignition, or the help of...
over a year ago
Fusion technology today relies on expensive, building-sized equipment for ignition, or the help of an already powerful fission detonation. What if we could do away with both?
Fusion power without the need for fissiles, but also small enough to be launched into space. It is...
Math Is Still...
The Cryptographer Who Ensures We Can Trust Our Computers
Yael Tauman Kalai’s breakthroughs secure our digital world, from cloud computing to our quantum...
a year ago
Yael Tauman Kalai’s breakthroughs secure our digital world, from cloud computing to our quantum future.
The post The Cryptographer Who Ensures We Can Trust Our Computers first appeared on Quanta Magazine
The Roots of...
What I’ve been reading, November 2023
A ~monthly feature. Recent blog posts and news stories are generally omitted; you can find them in...
a year ago
A ~monthly feature. Recent blog posts and news stories are generally omitted; you can find them in my links digests. All emphasis in bold in the quotes below was added by me.
Books
Finished Lynn White, Medieval Technology and Social Change (1962). Last time I talked about the...
Math Is Still...
How to Tame the Endless Infinities Hiding in the Heart of Particle Physics
In the math of particle physics, every calculation should result in infinity. The set of techniques...
a year ago
In the math of particle physics, every calculation should result in infinity. The set of techniques known as “resurgence” points toward an escape.
The post How to Tame the Endless Infinities Hiding in the Heart of Particle Physics first appeared on Quanta Magazine
NeuroLogica Blog
Carbon Fiber Structural Battery
I have written previously about the concept of structural batteries, such as this recent post on a...
3 months ago
I have written previously about the concept of structural batteries, such as this recent post on a concrete battery. The basic idea is a battery made out of material that is strong enough that it can bare a load. Essentially we’re asking the material to do two things at once – be...
Blog - Practical...
East Palestine Train Derailment Explained
[Note that this article is a transcript of the video embedded above.]
On the evening of Friday,...
a year ago
[Note that this article is a transcript of the video embedded above.]
On the evening of Friday, February 3, 2023, 38 of 149 cars of a Norfolk Southern Railway freight train derailed in East Palestine, Ohio. Five of the derailed cars were carrying vinyl chloride, a hazardous...
Quantum Frontiers
The Book of Mark
Mark Srednicki doesn’t look like a high priest. He’s a professor of physics at the University of...
a year ago
Mark Srednicki doesn’t look like a high priest. He’s a professor of physics at the University of California, Santa Barbara (UCSB); and you’ll sooner find him in khakis than in sacred vestments. Humor suits his round face better than channeling … Continue reading →
Math Is Still...
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,...
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
Tikalon Blog by Dev...
A.I., Wine, and Beer
There have been many studies using scientific instrumentation, mostly gas chromatography, in...
6 months ago
There have been many studies using scientific instrumentation, mostly gas chromatography, in attempts to find what distinguishes a superb wine from an inexpensive house wine. A typical wine can contain more than 800 different aroma compounds. One study examined two Australian...
Quantum Frontiers
Always appropriate
I met boatloads of physicists as a master’s student at the Perimeter Institute for Theoretical...
4 months ago
I met boatloads of physicists as a master’s student at the Perimeter Institute for Theoretical Physics in Waterloo, Canada. Researchers pass through Perimeter like diplomats through my current neighborhood—the Washington, DC area—except that Perimeter’s visitors speak math...
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...
Quantum Frontiers
Let gravity do its work
One day, early this spring, I found myself in a hotel elevator with three other people. The cohort...
7 months ago
One day, early this spring, I found myself in a hotel elevator with three other people. The cohort consisted of two theoretical physicists, one computer scientist, and what appeared to be a normal person. I pressed the elevator’s 4 button, … Continue reading →
Quantum Frontiers
Quantum Frontiers salutes an English teacher
If I ever mention a crazy high-school English teacher to you, I might be referring to Mr. Lukacs....
6 months ago
If I ever mention a crazy high-school English teacher to you, I might be referring to Mr. Lukacs. One morning, before the first bell rang, I found him wandering among the lockers, wearing a white beard and a mischievous grin. … Continue reading →
wadertales
WaderTales blogs in 2022
Here are brief summaries of the sixteen WaderTales blogs that were published in 2022. I have grouped...
over a year ago
Here are brief summaries of the sixteen WaderTales blogs that were published in 2022. I have grouped the blogs into sections; problems with trees, more research from Iceland, Curlews, news from the East Asian-Australasian Flyway, tracking and updates. As ever, I am grateful to...
ToughSF
Hypervelocity Macron Accelerators
We
look at the various ways of accelerating micro-scale projectiles up to hypervelocity
(10-10,000...
over a year ago
We
look at the various ways of accelerating micro-scale projectiles up to hypervelocity
(10-10,000 km/s) and their use in space.
Going
small to go fast
Macrons
or macroscopic particles are tiny projectiles that sit on the border between
the complex structures we see under a...
Blog - Practical...
How Would a Nuclear EMP Affect the Power Grid?
[Note that this article is a transcript of the video embedded above.]
Late in the morning of April...
over a year ago
[Note that this article is a transcript of the video embedded above.]
Late in the morning of April 28, 1958, the USS Boxer aircraft carrier ship was about 70 miles off the coast of the Bikini Atoll in the Pacific Ocean. The crew of the Boxer was preparing to launch a...
Blog - Practical...
Which Is Easier To Pull? (Railcars vs. Road Cars)
[Note that this article is a transcript of the video embedded above.]
Imagine the room you’re in...
a year ago
[Note that this article is a transcript of the video embedded above.]
Imagine the room you’re in right now was filled to the top with gravel. (I promise I’m headed somewhere with this.) I don’t know the size of the room you’re in, but if it’s anywhere near an average-sized...
NeuroLogica Blog
More On Electric Vehicles
I recently wrote about electric vehicles, which sparked a lively discussion in the comments. There...
a year ago
I recently wrote about electric vehicles, which sparked a lively discussion in the comments. There was enough discussion that I wanted to pull my responses together into a new post. Before I get to the details, some general observations. The conversation, in my opinion, nicely...
nanoscale views
Science and how it will be practiced in the future
I just registered for an event that celebrates the 35th anniversary of a particular science and...
a year ago
I just registered for an event that celebrates the 35th anniversary of a particular science and engineering program, and one question they posed was, to paraphrase, "Science has changed a lot in the last 35 years. Please make three predictions about science in the next 35...
The Works in...
Lost Science
When discoveries are forgotten and then found
11 months ago
When discoveries are forgotten and then found
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
Interaction Magic -...
Podcast: Designed for life
A deep dive into my career and the future of experience prototyping with Tony Ryan, CEO of Design &...
over a year ago
A deep dive into my career and the future of experience prototyping with Tony Ryan, CEO of Design & Technology Association.
IEEE Spectrum
The Story Behind Pixar’s RenderMan CGI Software
Watching movies and TV series that use digital visual effects to create fantastical worlds lets...
9 months ago
Watching movies and TV series that use digital visual effects to create fantastical worlds lets people escape reality for a few hours. Thanks to advancements in computer-generated technology used to produce films and shows, those worlds are highly realistic. In many cases, it can...
Wanderingspace
Uranus is not as boring as we thought
“An animation of three near-infrared images of Uranus captured by the JWST Space Telescope with...
a month ago
“An animation of three near-infrared images of Uranus captured by the JWST Space Telescope with assigned representative colors. During processing, I aligned the rings separately to reduce the bubbling effect caused by different inclinations, making the planet appear to rotate on...
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...
Out-of-Pocket Blog
"AI sucks", Quantifying EMR burden, and Loneliness | Out-Of-Pocket
3 interesting papers I like
a year ago
3 interesting papers I like
NeuroLogica Blog
Building A Robotic Hand
Roboticists are often engaged in a process of reinventing the wheel – duplicating the function of...
a year ago
Roboticists are often engaged in a process of reinventing the wheel – duplicating the function of biological bodies in rubber, metal, and plastic. This is a difficult task because biological organisms are often wondrous machines. The human hand, in particular, is a feat of...
Asterisk
Culture Studies
Montessori classrooms don’t have much in common with the Jesuit colleges of early modern Europe. But...
5 months ago
Montessori classrooms don’t have much in common with the Jesuit colleges of early modern Europe. But students in both settings learn more than a core curriculum — instead they’re taught a distinctive culture. And then they pass it on.
Confessions of a...
Cottesloe Fish Habitat Protection Area
Today I am teaching my first tutorial in the second year unit ‘Marine Systems‘, which will introduce...
over a year ago
Today I am teaching my first tutorial in the second year unit ‘Marine Systems‘, which will introduce students to their major project, which is centred around a field trip to the Cottelsoe Fish Habitat Protection Area (CFHPA). I’m pretty excited to introduce a few of my new ideas...
Andrew Fraknoi –...
Two Eclipses of the Sun Coming to North America 2023-24
Two eclipses of the Sun will be visible in North America during the 2023-24 school year.
The post...
a year ago
Two eclipses of the Sun will be visible in North America during the 2023-24 school year.
The post Two Eclipses of the Sun Coming to North America 2023-24 appeared first on Andrew Fraknoi - Astronomy Lectures - Astronomy Education Resources.
wadertales
Juvenile settlement in Black-tailed Godwits
Adult waders tend to be exceptionally consistent in their use of time and space, with marked...
3 months ago
Adult waders tend to be exceptionally consistent in their use of time and space, with marked individuals turning up on the same estuaries at the same time year after year, as discussed in the Whimbrel blog ‘Whimbrel: time to leave’. How do these patterns become established? Do...
NeuroLogica Blog
Have Current AI Reached Their Limit?
We are still very much in the hype phase of the latest crop of artificial intelligence applications,...
a year ago
We are still very much in the hype phase of the latest crop of artificial intelligence applications, specifically the large language models and so-called “transformers” like Chat GPT. Transformers are a deep learning model that use self-attention to differentially weight the...
Out-of-Pocket Blog
Scheduling, Medicaid Opportunities, and Health MBAs with Sandy Varatharajah | Out-Of-Pocket
misconceptions, opportunities, and more
a year ago
misconceptions, opportunities, and more
Marine Madness
Fear factor: How sensationalised shark documentaries undermine conservation efforts
Experts explain why misleading documentaries about sharks can be problematic. When Brendon Sing...
over a year ago
Experts explain why misleading documentaries about sharks can be problematic. When Brendon Sing first encountered sharks he was as a young boy behind the safety of aquarium glass in his native South Africa. Like many children of his generation, Brendon’s limited knowledge about...
pcloadletter
Impact-based performance evaluation in big tech is terrible
My theory is that some performance consultants got paid a lot of money one day for a single word:...
10 months ago
My theory is that some performance consultants got paid a lot of money one day for a single word: "impact."
If you have worked in big tech, you're probably all too familiar with this word because your annual performance evaluations are based on your impact.
As an employee,...
NeuroLogica Blog
The Fight over Education
There is an ongoing culture war, and not just in the US, over the content of childhood education,...
a year ago
There is an ongoing culture war, and not just in the US, over the content of childhood education, both public and private. This seems to be flaring up recently, but is never truly gone. Republicans in the US have recently escalated this war by banning over 500 books in several...
The Works in...
Notes on Progress: The world that has never been
Introducing Speculative Technologies
a year ago
Introducing Speculative Technologies
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