ToughSF
Nuclear Conversion for Starship
There has been much discussion about converting the SpaceX Starship to use nuclear propulsion. It...
over a year ago
There has been much discussion about converting the SpaceX Starship to use nuclear propulsion. It would allow for a great increase in specific impulse and a massive extension of mission capabilities.
But is it actually worthwhile?
The image above is modified from...
Tikalon Blog by Dev...
Diophantine Equations
Piebald is an unusual word that appears in the Archimedes' cattle problem, a Diophantine problem...
4 months ago
Piebald is an unusual word that appears in the Archimedes' cattle problem, a Diophantine problem supposedly communicated by Archimedes to his friend, Eratosthenes. It's a Diophantine equation system of seven equations in eight unknowns, but it can be solved with the requirement...
The Works in...
Apply to come to Invisible College
Our new residential seminar for 18 to 22-year-olds, during August 2024
8 months ago
Our new residential seminar for 18 to 22-year-olds, during August 2024
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...
NeuroLogica Blog
Will AI Make Work Redundant?
Artificial Intelligence (AI) is coming for your job. This, at least, is increasingly conventional...
a year ago
Artificial Intelligence (AI) is coming for your job. This, at least, is increasingly conventional wisdom, but I’m not so sure. In a recent interview, Elon Musk predicted that AI would “make paid work redundant.” I encountered the same opinion watching the latest season of...
wadertales
Counting breeding shorebirds using listening devices
With more demands upon the space that is currently occupied by breeding waders, from developments...
2 weeks ago
With more demands upon the space that is currently occupied by breeding waders, from developments such as wind turbines and monoculture forestry, conservationists are often asked to assess the potential effects of landscape change. Do passive acoustic devices have a role to play...
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...
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.
Interaction Magic -...
Engineering beneath the ice sheet
Living in Greenland, deploying electronic beacons deep beneath the ice.
3 weeks ago
Living in Greenland, deploying electronic beacons deep beneath the ice.
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...
The Works in...
The concept of sustainment
A new section from Stewart Brand's Maintenance on Books in Progress
a year ago
A new section from Stewart Brand's Maintenance on Books in Progress
Math Is Still...
Physicists Who Explored Tiny Glimpses of Time Win Nobel Prize
The development of attosecond pulses of light allowed researchers to explore the frame-by-frame...
a year ago
The development of attosecond pulses of light allowed researchers to explore the frame-by-frame movement of electrons.
The post Physicists Who Explored Tiny Glimpses of Time Win Nobel Prize first appeared on Quanta Magazine
Asterisk
From Warp Speed to 100 Days
During the COVID pandemic, we learned to design vaccines within weeks. Now, the bottleneck is...
a year ago
During the COVID pandemic, we learned to design vaccines within weeks. Now, the bottleneck is testing that they work. To get even faster, we need innovations in clinical trial design.
Math Is Still...
Why Mathematical Proof Is a Social Compact
Number theorist Andrew Granville on what mathematics really is — and why objectivity is never quite...
a year ago
Number theorist Andrew Granville on what mathematics really is — and why objectivity is never quite within reach.
The post Why Mathematical Proof Is a Social Compact first appeared on Quanta Magazine
Math Is Still...
Why Locusts Swarm, Humans Do Good and Time Marches On
The Joy of Why podcast returns for a third season, with two co-hosts, 24 brilliant guests and 24...
11 months ago
The Joy of Why podcast returns for a third season, with two co-hosts, 24 brilliant guests and 24 all-new episodes.
The post Why Locusts Swarm, Humans Do Good and Time Marches On first appeared on Quanta Magazine
nanoscale views
Dye-sensitized solar cells - an idea whose time has finally come?
Dyes are generally small molecules that have electronic transitions with energies corresponding...
11 months ago
Dyes are generally small molecules that have electronic transitions with energies corresponding to the visible spectrum of light (around 1-3 eV). Around 35 years ago, the idea was put forward, particularly by Michael Grätzel and Brian O'Regan, to couple dye molecules to...
Beautiful Public...
Mapping the Sea Floor
USGS research vessels equipped with cameras, sonar and scanners created a map of 125 square miles of...
a year ago
USGS research vessels equipped with cameras, sonar and scanners created a map of 125 square miles of the sea floor off Cape Ann, MA.
Marine Madness
Penguin Problems: Are human-induced food shortages driving population declines?
We all love penguins. Clumsy and awkward on land, stealthy and precise underwater- these charismatic...
over a year ago
We all love penguins. Clumsy and awkward on land, stealthy and precise underwater- these charismatic creatures have captured our hearts ever since the release of March of the Penguins. Unfortunately, penguin populations across the globe (especially in South Africa and Antarctica)...
The Works in...
Notes on Progress: Agglomeration benefits are here to stay
Building more homes in the most productive cities could massively boost productivity
over a year ago
Building more homes in the most productive cities could massively boost productivity
Wanderingspace
Colorized View of Perseverance Landing
An artificially colorized view of Jezero Crater, showing the bird’s eye view of Perseverance...
over a year ago
An artificially colorized view of Jezero Crater, showing the bird’s eye view of Perseverance screaming towards Mars’s surface. The above image was enhanced by Kevin Gill into full color, taking images captured by Perseverance’s Lander Vision System Camera just after the heat...
Out-of-Pocket Blog
The New Era Of Digital Therapeutics | Out-Of-Pocket
Guess it's time to start defining the term again
a year ago
Guess it's time to start defining the term again
The Works in...
Fixing retail with land value capture
How to create beautiful shopping streets everywhere
6 months ago
How to create beautiful shopping streets everywhere
NeuroLogica Blog
Framing and Global Warming
When we talk publicly about the effects of human activity on the climate should we refer to “global...
4 months ago
When we talk publicly about the effects of human activity on the climate should we refer to “global warming”, “climate change”, the “climate crisis” or to “climate justice”? Perhaps we should also be more technical and say specifically, “anthropogenic climate change”. This kind...
Math Is Still...
A Triplet Tree Forms One of the Most Beautiful Structures in Math
The Markov numbers reveal the secrets of irrational numbers and the patterns of the Fibonacci...
a year ago
The Markov numbers reveal the secrets of irrational numbers and the patterns of the Fibonacci sequence. But there’s one question about them that has resisted proof for over a century.
The post A Triplet Tree Forms One of the Most Beautiful Structures in Math first...
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.
Wanderingspace
Morning and Night on Mars
Yeah. Um… Wow. Nice Job NASA. I’ll just copy/paste how The Planetary Society explained it:
“NASA's...
over a year ago
Yeah. Um… Wow. Nice Job NASA. I’ll just copy/paste how The Planetary Society explained it:
“NASA's Curiosity team made this artistic interpretation of the rover's view from high up Mt. Sharp by combining pictures taken at different times of day and adding colors to bring out the...
Drew Ex Machina
Epsilon Indi’s Super Jovian Exoplanet – Background & New Observations by JWST
On July 24, 2024, an international team of scientists, headed by Dr. Elisabeth Matthews of the Max...
4 months ago
On July 24, 2024, an international team of scientists, headed by Dr. Elisabeth Matthews of the Max Plank Institute for Astronomy, announced that they had used […]
Math Is Still...
Cells Across the Body Talk to Each Other About Aging
Biologists discovered that mitochondria in different tissues talk to each other to repair injured...
11 months ago
Biologists discovered that mitochondria in different tissues talk to each other to repair injured cells. When their signal fails, the biological clock starts winding down.
The post Cells Across the Body Talk to Each Other About Aging first appeared on Quanta Magazine
Asterisk
Better Living Through Group Chemistry
Inside the San Francisco group house scene.
5 months ago
Inside the San Francisco group house scene.
The Works in...
The Power of the Earth
On the future of geothermal energy
10 months ago
On the future of geothermal energy
IEEE Spectrum
Lewis H. Latimer: A Life of Lightbulb Moments
James Weldon Johnson’s hymn “Lift Every Voice and Sing,” adopted by African Americans as the...
a year ago
James Weldon Johnson’s hymn “Lift Every Voice and Sing,” adopted by African Americans as the unofficial “Negro National Anthem,” includes the line, “We have come over a way that with tears has been watered,” which sums up how Black Americans have found ways to thrive under...
Wanderingspace
Saturn Family Portrait
From planetary.org: On July 29, 2011, Cassini captured five of Saturn’s moons in a single frame with...
over a year ago
From planetary.org: On July 29, 2011, Cassini captured five of Saturn’s moons in a single frame with its narrow-angle camera: Janus, Pandora, Enceladus, Rhea, and Mimas. NASA/JPL-Caltech/Space Science Institute. This is a full-color look at a view that was originally published in...
Drew Ex Machina
GOES Video of Solar Eclipse – October 14, 2023
Solar eclipses have fascinated humanity since ancient times and the annular eclipse of October 14,...
a year ago
Solar eclipses have fascinated humanity since ancient times and the annular eclipse of October 14, 2023 was no different. Unlike a total solar eclipse where the […]
Math Is Still...
The Year in Math
Landmark results in geometry and number theory marked an exciting year for mathematics, at a time...
6 days ago
Landmark results in geometry and number theory marked an exciting year for mathematics, at a time when advances in artificial intelligence are starting to transform the subject’s future.
The post The Year in Math first appeared on Quanta Magazine
NeuroLogica Blog
ChatGPT Almost Passes Medical Licensure Exams
The emergence of several AI applications for public use, such as Dalle-2, Midjourney, and ChatGPT,...
a year ago
The emergence of several AI applications for public use, such as Dalle-2, Midjourney, and ChatGPT, had made AI one of the biggest science news items of the past year. I have written about it here extensively myself, and have been using these applications extensively to get a feel...
Asterisk
They May as Well Grow on Trees
The Future of Genetically Engineered Livestock
over a year ago
The Future of Genetically Engineered Livestock
Out-of-Pocket Blog
Exits & Outcomes Is Good | Out-Of-Pocket
moar newsletters
a year ago
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...
Tikalon Blog by Dev...
US Independence Day
Tikalon is on a short holiday in celebration of US Independence Day, July 4, 2024. Our next article...
5 months ago
Tikalon is on a short holiday in celebration of US Independence Day, July 4, 2024. Our next article will be posted on Monday, July 15, 2024. View my version of the iconic image of George Washington's crossing of the Delaware River in which he encounters some unusually large...
Math Is Still...
Physicists Observe ‘Unobservable’ Quantum Phase Transition
Measurement and entanglement both have a “spooky” nonlocal flavor to them. Now physicists are...
a year ago
Measurement and entanglement both have a “spooky” nonlocal flavor to them. Now physicists are harnessing that nonlocality to probe the spread of quantum information and control it.
The post Physicists Observe ‘Unobservable’ Quantum Phase Transition first appeared on...
Drew Ex Machina
First Pictures: Earthrise from Apollo 8 – December 24, 1968
The year 1968 was a tumultuous one in the US with many political and cultural changes punctuated by...
12 months ago
The year 1968 was a tumultuous one in the US with many political and cultural changes punctuated by the assassination of prominent public figures, violent protests […]
NeuroLogica Blog
Latest Starship Launch
SpaceX has conducted their most successful test launch of a Starship system to date. The system they...
2 months ago
SpaceX has conducted their most successful test launch of a Starship system to date. The system they tested has three basic components – the Super Heavy first stage rocket booster, the Starship second stage (which is the actual space ship that will go places), and the...
Blog - Practical...
Why Are Cooling Towers Shaped Like That?
[Note that this article is a transcript of the video embedded above.]
This is not smoke. And this...
a month ago
[Note that this article is a transcript of the video embedded above.]
This is not smoke. And this isn’t a smoke stack (at least not the kind we normally think of). It serves a totally different purpose at a power plant than smoke stacks whose job is moving combustion products...
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
Math Is Still...
How Can Some Infinities Be Bigger Than Others?
All infinities go on forever, so how is it possible for some infinities to be larger than others?...
a year ago
All infinities go on forever, so how is it possible for some infinities to be larger than others? The mathematician Justin Moore discusses the mysteries of infinity with Steven Strogatz.
The post How Can Some Infinities Be Bigger Than Others? first appeared on Quanta...
wadertales
Broad-billed Sandpiper: Now a Red-listed wader
A dedicated team of Scottish bird ringers has been studying breeding waders in northern Norway since...
2 weeks ago
A dedicated team of Scottish bird ringers has been studying breeding waders in northern Norway since 1993. One of the focal species of their fieldwork is the secretive Broad-billed Sandpiper, an unusual taiga wader which nests on low-lying tussocks embedded in floating mats of...
Out-of-Pocket Blog
Provider Directories, Physician data, and Ribbon Health | Out-Of-Pocket
why can't I find any important info about my doctor lol
a year ago
why can't I find any important info about my doctor lol
Probably...
What does “strength” mean?
Here’s another installment in Data Q&A: Answering the real questions with Python. Previous...
8 months ago
Here’s another installment in Data Q&A: Answering the real questions with Python. Previous installments are available from the Data Q&A landing page. corr_trend What does “strength” mean?¶ Here’s a question from the Reddit statistics forum. I am currently doing a uni assignment...
Asterisk
Manufacturing Bliss
A growing community centered on the Bay Area is rediscovering the jhanas, a meditation technique...
8 months ago
A growing community centered on the Bay Area is rediscovering the jhanas, a meditation technique that practitioners claim could upend how we think about the brain — and transform our lives in the process.
Math Is Still...
Why Mathematicians Re-Prove What They Already Know
It’s been known for thousands of years that the primes go on forever, but new proofs give fresh...
a year ago
It’s been known for thousands of years that the primes go on forever, but new proofs give fresh insights into how theorems depend on one another.
The post Why Mathematicians Re-Prove What They Already Know first appeared on Quanta Magazine
Probably...
Why are you so slow?
Recently a shoe store in France ran a promotion called “Rob It to Get It”, which invited customers...
a year ago
Recently a shoe store in France ran a promotion called “Rob It to Get It”, which invited customers to try to steal something by grabbing it and running out of the store. But there was a catch — the “security guard” was a professional sprinter, Méba Mickael Zeze. As you would...
Asterisk
All Aboard the Bureaucracy Train
The United States has the most expensive transportation infrastructure in the world. That’s because...
10 months ago
The United States has the most expensive transportation infrastructure in the world. That’s because we refuse to learn from experts, other countries, and our own history.
NeuroLogica Blog
The Experience Machine Thought Experiment
In 1974 Robert Nozick published the book, Anarchy, State, and Utopia, in which he posed the...
9 months ago
In 1974 Robert Nozick published the book, Anarchy, State, and Utopia, in which he posed the following thought experiment: If you could be plugged into an “experience machine” (what we would likely call today a virtual reality or “Matrix”) that could perfectly replicate real-life...
Out-of-Pocket Blog
The New (Experimental) Ways To Tackle The Mental Health Crisis | Out-Of-Pocket
let's try some new stuff to scale mental health care
a year ago
let's try some new stuff to scale mental health care
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
Do We Have Free Will?
Let’s dive head first into one of the internet’s most contentious questions – do we have true free...
a year ago
Let’s dive head first into one of the internet’s most contentious questions – do we have true free will? This comes up not infrequently whenever I write here about neuroscience, most recently when I wrote about hunger circuitry, because the notion of the brain as a physical...
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...
Sean Carroll
The Biggest Ideas in the Universe: Space, Time, and Motion
Just in case there are any blog readers out there who haven’t heard from other channels: I have a...
over a year ago
Just in case there are any blog readers out there who haven’t heard from other channels: I have a new book out! The Biggest Ideas in the Universe: Space, Time, and Motion is Volume One of a planned three-volume series. It grew out of the videos that I did in 2020, trying to offer...
Math Is Still...
Mathematicians Identify the Best Versions of Iconic Shapes
Researchers are discovering the shortest knots and fattest Möbius strips, among other “optimal...
11 months ago
Researchers are discovering the shortest knots and fattest Möbius strips, among other “optimal shapes.”
The post Mathematicians Identify the Best Versions of Iconic Shapes first appeared on Quanta Magazine
Explorations of an...
A Month In Northern Peru, Part 1: Introduction
Ever since wrapping up our extensive traveling last spring, Laura and I have been itching to get...
9 months ago
Ever since wrapping up our extensive traveling last spring, Laura and I have been itching to get back on the road in Latin America. After returning to Ontario, finding a rental house and obtaining employment, our lives have been a little more grounded. I still have been on some...
nanoscale views
Strategic planning + departmental reviews
It's been a while since I've written a post about the ways of academia, so I thought it might be...
a year ago
It's been a while since I've written a post about the ways of academia, so I thought it might be time, though it's not exactly glamorous or exciting. There are certain cycles in research universities, and two interrelated ones are the cycle of departmental strategic planning and...
Eukaryote Writes...
Internet Harvest (2024, 1)
Free covid treatment for everyone in the US, a novel orthopox virus, a really big machine, cameras...
9 months ago
Free covid treatment for everyone in the US, a novel orthopox virus, a really big machine, cameras used for good and evil, ant heaven now, and more.
Asterisk
Democracy by Mistake
Most political scientists see democracy as the natural consequence of economic development or the...
10 months ago
Most political scientists see democracy as the natural consequence of economic development or the result of strategic and rational choice. A detailed look through history suggests democracy emerges as often as not by another path: human error.
Out-of-Pocket Blog
Licensing and Credentialing Nonsense with Assured | Out-Of-Pocket
a month ago
Math Is Still...
To Move Fast, Quantum Maze Solvers Must Forget the Past
Quantum algorithms can find their way out of mazes exponentially faster than classical ones, at the...
a year ago
Quantum algorithms can find their way out of mazes exponentially faster than classical ones, at the cost of forgetting the path they took. A new result suggests that the trade-off may be inevitable.
The post To Move Fast, Quantum Maze Solvers Must Forget the Past...
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...
ToughSF
Riding Sunbeams with Solar Sails
Reset your expectations of solar sails. They are a fast and free way to travel to any point in the...
a year ago
Reset your expectations of solar sails. They are a fast and free way to travel to any point in the Solar System, as many times as you want, any time of the year.
Solar sails can carry passengers and they have a nearly unlimited number of uses. You just have to... think...
Blog - Practical...
Why Are Texas Interchanges Texas So Tall?
[Note that this article is a transcript of the video embedded above.]
This is the Dallas High Five,...
4 months ago
[Note that this article is a transcript of the video embedded above.]
This is the Dallas High Five, one of the tallest highway interchanges in the world. It gets its name from the fact that there are five different levels of roadways crossing each other in this one spot. In some...
Math Is Still...
What Happens in a Mind That Can’t ‘See’ Mental Images
Neuroscience research into people with aphantasia, who don’t experience mental imagery, is revealing...
4 months ago
Neuroscience research into people with aphantasia, who don’t experience mental imagery, is revealing how imagination works and demonstrating the sweeping variety in our subjective experiences.
The post What Happens in a Mind That Can’t ‘See’ Mental Images first...
Wanderingspace
Dust Storm On Mars
A dust storm in Olympia Planum's north polar dune fields was triggered by a late Martian summer cold...
8 months ago
A dust storm in Olympia Planum's north polar dune fields was triggered by a late Martian summer cold front. As the northern polar cap shrinks fast, it releases cold air that sometimes moves south, like on Earth. These cold fronts strengthen in late summer and early fall due to...
The Works in...
Communities of Practice: The Soul of Maintaining a New Machine
The first section of Ch. 3 of Stewart Brand’s Maintenance on Books in Progress
4 months ago
The first section of Ch. 3 of Stewart Brand’s Maintenance on Books in Progress
Math Is Still...
Magnetism May Have Given Life Its Molecular Asymmetry
The preferred “handedness” of biomolecules could have emerged from biased interactions between...
a year ago
The preferred “handedness” of biomolecules could have emerged from biased interactions between electrons and magnetic surfaces, new research suggests.
The post Magnetism May Have Given Life Its Molecular Asymmetry first appeared on Quanta Magazine
Asterisk
Debugging Tech Journalism
A huge proportion of tech journalism is characterized by scandals, sensationalism, and shoddy...
8 months ago
A huge proportion of tech journalism is characterized by scandals, sensationalism, and shoddy research. Can we fix it?
nanoscale views
The need for energy-efficient computing
Computing is consuming a large and ever-growing
fraction of the world's energy capacity.
I've seen...
over a year ago
Computing is consuming a large and ever-growing
fraction of the world's energy capacity.
I've seen the essential data in this figure several times over the last few months, and it has convinced me that the need for energy-efficient computing hardware is genuinely pressing. This...
Math Is Still...
Physicists Discover ‘Unobservable’ Phase Transition in Quantum Entanglement
Measurement and entanglement both have a “spooky” nonlocal flavor to them. Now physicists are...
a year ago
Measurement and entanglement both have a “spooky” nonlocal flavor to them. Now physicists are harnessing that nonlocality to probe the spread of quantum information and control it.
The post Physicists Discover ‘Unobservable’ Phase Transition in Quantum Entanglement...
Math Is Still...
The Quest to Decode the Mandelbrot Set, Math’s Famed Fractal
For decades, a small group of mathematicians has patiently unraveled the mystery of what was once...
11 months ago
For decades, a small group of mathematicians has patiently unraveled the mystery of what was once math’s most popular picture. Their story shows how technology transforms even the most abstract mathematical landscapes.
The post The Quest to Decode the Mandelbrot Set,...
brr
South Pole Water Infrastructure
Fresh water from snow, at 70 below!
6 months ago
Fresh water from snow, at 70 below!
The Roots of...
Quote quiz: “drifting into dependence”
Quote quiz: who said this? (No fair looking it up). I have modified the original quotation slightly,...
a year ago
Quote quiz: who said this? (No fair looking it up). I have modified the original quotation slightly, by making a handful of word substitutions to bring it up to date:
It might be argued that the human race would never be foolish enough to hand over all power to AI. But we are...
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...
Damn Interesting
Breaking a Bit
It’s been a busy summer, and the large shortfall in donations last month has been demoralizing, so...
a year ago
It’s been a busy summer, and the large shortfall in donations last month has been demoralizing, so we’re taking a week off to rest and recuperate. The curated links section will be (mostly) silent, and behind the scenes we’ll be taking a brief break from our usual researching,...
Math Is Still...
Elliptic Curves Yield Their Secrets in a New Number System
Ana Caraiani and James Newton have extended an important result in number theory to the imaginary...
a year ago
Ana Caraiani and James Newton have extended an important result in number theory to the imaginary realm.
The post Elliptic Curves Yield Their Secrets in a New Number System first appeared on Quanta Magazine
nanoscale views
Recent RT superconductivity claim - summary page
In the interests of saving people from lots of googling or scrolling through 170+ comments, here is...
a year ago
In the interests of saving people from lots of googling or scrolling through 170+ comments, here is a bulleted summary of links relevant to the recent claim of room temperature superconductivity in a nitrogen-doped lutetium hydride compound under pressure.
Dias's contributed...
Out-of-Pocket Blog
Should we charge for patient messaging? | Out-Of-Pocket
guess I'm texting my resident friends
a year ago
guess I'm texting my resident friends
Out-of-Pocket Blog
Two new courses! And ~*fun*~ Out-Of-Pocket updates | Out-Of-Pocket
3 months ago
Math Is Still...
The Mystery of the Missing Multicellular Prokaryotes
Why have bacteria never evolved complex multicellularity? A new hypothesis suggests that it could...
7 months ago
Why have bacteria never evolved complex multicellularity? A new hypothesis suggests that it could come down to how prokaryotic genomes respond to a small population size.
The post The Mystery of the Missing Multicellular Prokaryotes first appeared on Quanta...
The Roots of...
Highlights from The Industrial Revolution, by T. S. Ashton
The Industrial Revolution, 1760-1830, by Thomas S. Ashton, is classic in the field, published in...
a year ago
The Industrial Revolution, 1760-1830, by Thomas S. Ashton, is classic in the field, published in 1948. Here are some of my highlights from it. (Emphasis in bold added by me.)
The role of chance
What was the role of chance in the inventions of the Industrial Revolution?
It is true...
NeuroLogica Blog
New Type of Black Hole Discovered
ESA’s Gaia orbital telescope has recently discovered two new black holes. This, in itself, is not...
a year ago
ESA’s Gaia orbital telescope has recently discovered two new black holes. This, in itself, is not surprising, as that is Gaia’s mission – to precisely map the three-dimensional position of two billion objects in our galaxy, using three separate instruments. The process is called...
Asterisk
A Field Guide to AI Safety
AI safety is starting to go mainstream, but the researchers who’ve been immersed in it for over a...
a year ago
AI safety is starting to go mainstream, but the researchers who’ve been immersed in it for over a decade still have strong disagreements.
Math Is Still...
Swirling Forces, Crushing Pressures Measured in the Proton
Long-anticipated experiments that use light to mimic gravity are revealing the distribution of...
9 months ago
Long-anticipated experiments that use light to mimic gravity are revealing the distribution of energies, forces and pressures inside a subatomic particle for the first time.
The post Swirling Forces, Crushing Pressures Measured in the Proton first appeared on Quanta...
nanoscale views
Technological civilization and losing object permanence
In the grand tradition of physicists writing about areas outside their expertise, I wanted to put...
2 days ago
In the grand tradition of physicists writing about areas outside their expertise, I wanted to put down some thoughts on a societal trend. This isn't physics or nanoscience, so feel free to skip this post.
Object permanence is a term from developmental psychology. A person (or...
Math Is Still...
Thirty Years Later, a Speed Boost for Quantum Factoring
Shor’s algorithm will enable future quantum computers to factor large numbers quickly, undermining...
a year ago
Shor’s algorithm will enable future quantum computers to factor large numbers quickly, undermining many online security protocols. Now a researcher has shown how to do it even faster.
The post Thirty Years Later, a Speed Boost for Quantum Factoring first appeared on...
Quantum Frontiers
Astrobiology meets quantum computation?
The origin of life appears to share little with quantum computation, apart from the difficulty of...
a year ago
The origin of life appears to share little with quantum computation, apart from the difficulty of achieving it and its potential for clickbait. Yet similar notions of complexity have recently garnered attention in both fields. Each topic’s researchers expect only … Continue...
Cremieux Recueil
Evaluating a Sitting Senator's Healthcare Claims
If you're a public official who wants to to use numbers, use correct numbers, and if you're going to...
4 days ago
If you're a public official who wants to to use numbers, use correct numbers, and if you're going to speculate, try not so speculate wildly, lest you end up telling brazen lies to the American people
Out-of-Pocket Blog
All of the main problems with US healthcare | Out-Of-Pocket
let's get all of our problems out on the table
9 months ago
let's get all of our problems out on the table
Math Is Still...
A New Agenda for Low-Dimensional Topology
This past October, dozens of mathematicians gathered in Pasadena to create the third version of...
10 months ago
This past October, dozens of mathematicians gathered in Pasadena to create the third version of “Kirby’s list” — a compendium of the most important unsolved problems in the field.
The post A New Agenda for Low-Dimensional Topology first appeared on Quanta Magazine
IEEE Spectrum
Assistive Tech at the End of Sight
Seeing his words on the printed page is a big deal to Andrew Leland—as it is to all writers. But the...
a year ago
Seeing his words on the printed page is a big deal to Andrew Leland—as it is to all writers. But the sight of his thoughts in written form is much more precious to him than to most scribes. Leland is gradually losing his vision due to a congenital condition called retinitis...
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...
Chris Grossack's...
Internal Group Actions as Enriched Functors
Earlier today this month on the Category Theory Zulip, Bernd Losert asked an
extremely natural...
10 months ago
Earlier today this month on the Category Theory Zulip, Bernd Losert asked an
extremely natural question about how we might study topological group
actions via the functorial approach beloved by category theorists.
The usual story is to treat a group $G$ as a one-object...
Out-of-Pocket Blog
Some cool AI healthcare projects | Out-Of-Pocket
What was built at the OOP hackathon?
4 months ago
What was built at the OOP hackathon?
NeuroLogica Blog
BBC Gets Into UFOs
Paranormal phenomena tend to wax and wane in the public interest. Typically a generation will become...
5 months ago
Paranormal phenomena tend to wax and wane in the public interest. Typically a generation will become fascinated with a topic, but eventually the novelty will wear thin and interest will fade. But the flame will be kept alive by the hardcore believers. Wait long enough, and...
nanoscale views
Artificial intelligence, extrapolation, and physical constraints
Disclaimer and disclosure: The "arrogant physicist declaims about some topic far outside their...
6 months ago
Disclaimer and disclosure: The "arrogant physicist declaims about some topic far outside their domain expertise (like climate change or epidemiology or economics or geopolitics or....) like everyone actually in the field is clueless" trope is very overplayed at this point, and...
nanoscale views
What is the thermal Hall effect?
One thing that physics and mechanical engineering students learn early on is that there are often...
a year ago
One thing that physics and mechanical engineering students learn early on is that there are often analogies between charge flow and heat flow, and this is reflected in the mathematical models we use to describe charge and heat transport. We use Ohm's law,...
IEEE Spectrum
The Marimba Virtuoso’s Desktop Planetarium
The United States was at the time approaching “peak space.” The previous year, cosmonaut Yuri...
a year ago
The United States was at the time approaching “peak space.” The previous year, cosmonaut Yuri Gagarin had become the first human to reach outer space, and on 12 September 1962 President Kennedy would announce the United States’ intention to put a man on the moon before the...
NeuroLogica Blog
Is Mars the New Frontier?
In the excellent sci fi show, The Expanse, which takes place a couple hundred years in the future,...
11 months ago
In the excellent sci fi show, The Expanse, which takes place a couple hundred years in the future, Mars has been settled and is an independent self-sustaining society. In fact, Mars is presented as the most scientifically and technologically advanced society of humans in the...
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
Explorations of an...
Los Amigos Biological Station: Part 2
September 21, 2022
Laura and I had arranged with the cook to have a packed breakfast this morning....
a year ago
September 21, 2022
Laura and I had arranged with the cook to have a packed breakfast this morning. This turned out to be a great idea. The day was another scorcher, reaching a high of 36 degrees Celsius, and we appreciated having the freedom to explore the trails early in the...
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...
Marine Madness
Culture Club: Time to let the cetaceans in?
Up until recently, culture has been thought of as a primarily human characteristic. However, recent...
over a year ago
Up until recently, culture has been thought of as a primarily human characteristic. However, recent studies shine a light on the fact that non-human animals including Cetaceans (dolphins and whales), may also possess it. They live in tightly-knit social communities, exhibit...
Math Is Still...
The Hidden World of Electrostatic Ecology
Invisibly to us, insects and other tiny creatures use static electricity to travel, avoid predators,...
2 months ago
Invisibly to us, insects and other tiny creatures use static electricity to travel, avoid predators, collect pollen and more. New experiments explore how evolution may have influenced this phenomenon.
The post The Hidden World of Electrostatic Ecology first appeared...
Blog - Practical...
The Wild Story of the Taum Sauk Dam Failure
[Note that this article is a transcript of the video embedded above.]
Early in the morning of...
2 months ago
[Note that this article is a transcript of the video embedded above.]
Early in the morning of December 14, 2005, pumps were nearly finished filling the upper reservoir at the Taum Sauk power station, marking the end of the daily cycle. Water rose to the top of the rockfill...
Explorations of an...
Monsoon Season In Arizona, Part 2: The Huachucas
September 1, 2024
For the first and only time in the trip I managed a much-needed seven hours of...
2 months ago
September 1, 2024
For the first and only time in the trip I managed a much-needed seven hours of sleep. Unfortunately, some of the others were woken up earlier than they would have liked. The owner of Beatty's Guest Ranch (he lives in a different building on the property) owns a...
The Roots of...
Links digest, 2023-10-12
I’ve been traveling for a while, so this is a long one, covering the last ~month. I tried to cut it...
a year ago
I’ve been traveling for a while, so this is a long one, covering the last ~month. I tried to cut it down, but there have been so many amazing announcements, opportunities, etc.! Feel free to skim and jump around:
From the Roots of Progress fellows
Connor O’Brien and Adam Ozimek...
Explorations of an...
A Tour Of The Western Galápagos Archipelago
The Galápagos archipelago is one of those must-visit destinations for anyone with an interest in...
a year ago
The Galápagos archipelago is one of those must-visit destinations for anyone with an interest in ecology, evolution, or biogeography. The islands are located in the eastern Pacific where a “hotspot” deep within the earth has been spewing magma for millions of years. The oldest...
Explorations of an...
Chasing Endemics in Córdoba
Córdoba is the second most populated city in Argentina, located in the Punilla Valley around 600 km...
a year ago
Córdoba is the second most populated city in Argentina, located in the Punilla Valley around 600 km northwest of Buenos Aires. Laura and I spent one night in the city before our morning's birding. Our destination: the beautiful Sierras de Córdoba to the west of the city and...
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...
nanoscale views
Items of interest
A couple of interesting papers that I came across this week:
There is long been an interest in...
4 months ago
A couple of interesting papers that I came across this week:
There is long been an interest in purely electronic cooling techniques (no moving parts!) that would work at cryogenic temperatures. You're familiar with ordinary evaporative cooling - that's what helps cool down...
Andrew Fraknoi –...
A Movie about a Galaxy Far, Far Away & Long, Long Ago (from Webb Telescope)
Explains a new movie of distant galaxies and remote time from the Webb Telescope.
The post A Movie...
a year ago
Explains a new movie of distant galaxies and remote time from the Webb Telescope.
The post A Movie about a Galaxy Far, Far Away & Long, Long Ago (from Webb Telescope) appeared first on Andrew Fraknoi - Astronomy Lectures - Astronomy Education Resources.
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...
Math Is Still...
Big Advance on Simple-Sounding Math Problem Was a Century in the Making
A new proof about prime numbers illuminates the subtle relationship between addition and...
2 months ago
A new proof about prime numbers illuminates the subtle relationship between addition and multiplication — and raises hopes for progress on the famous abc conjecture.
The post Big Advance on Simple-Sounding Math Problem Was a Century in the Making first appeared on...
Asterisk
Through a Glass Darkly
Nobody predicted the AI revolution, except for the 352 experts who were asked to predict it.
a year ago
Nobody predicted the AI revolution, except for the 352 experts who were asked to predict it.
Blog - Practical...
HEAVY CONSTRUCTION of a Sewage Pump Station - Ep 5
This is the fifth and final episode of a five-part pilot series to gauge your interest in "How It's...
a year ago
This is the fifth and final 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.
Math Is Still...
What Can Tiling Patterns Teach Us?
If you cover a surface with tiles, repetitive patterns always emerge — or do they? In this week’s...
5 months ago
If you cover a surface with tiles, repetitive patterns always emerge — or do they? In this week’s episode, mathematician Natalie Priebe Frank and co-host Janna Levin discuss how recent breakthroughs in tiling can unlock structural secrets in the natural world.
The...
Asterisk
Making Sense of Moral Change
A conversation about abolitionism, moral progress, and the pitfalls of historical counterfactuals.
over a year ago
A conversation about abolitionism, moral progress, and the pitfalls of historical counterfactuals.
Out-of-Pocket Blog
How Health Data Gets Sold: Moving From Third-Party to First-Party | Out-Of-Pocket
The shift from third-party to first-party data consent, and how far should it go?
a year ago
The shift from third-party to first-party data consent, and how far should it go?
Explorations of an...
Birding Near The Bolivia Border
January 22, 2023 (continued)
Laura and I left the humid east slope of the Andes behind and worked...
a year ago
January 22, 2023 (continued)
Laura and I left the humid east slope of the Andes behind and worked our way north along the paved highway through the incredible Quebrada de Humahuaca. This valley is famous for its scenery and it was easy to see why. The contrasts, textures and...
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...
Explorations of an...
Parque Provincial Caá Yarí
Our swing through Misiones province of northeastern Argentina was coming to a close with just a...
a year ago
Our swing through Misiones province of northeastern Argentina was coming to a close with just a couple of days remaining. When researching this part of Argentina, I kept noticing one particular area that had a number of interesting eBird reports, but very little information on...
NeuroLogica Blog
Oldest Evidence of Humans In Americas
Exactly when Homo sapiens came to the Americas has not been firmly established, and new evidence has...
a year ago
Exactly when Homo sapiens came to the Americas has not been firmly established, and new evidence has just thrown another curve ball into the controversy. There is evidence of a large culture of humans throughout North America from 12-13,000 years ago, called the Clovis Culture....
Out-of-Pocket Blog
Should more people be using urgent care? | Out-Of-Pocket
is the rise of urgent care a good or bad thing?
a year ago
is the rise of urgent care a good or bad thing?
NeuroLogica Blog
Eating Methane
Methane is the forgotten greenhouse gas (sort of). Often, when discussing how best to reduce...
a year ago
Methane is the forgotten greenhouse gas (sort of). Often, when discussing how best to reduce anthropogenic climate change, we talk about decarbonizing our electrical and transport sectors, and carbon removal. But methane is also a greenhouse gas, contributing to global warming,...
IEEE Spectrum
Smalltalk Blew Steve Jobs’s Mind
Late in 1979, Steve Jobs and other colleagues from Apple visited the Xerox Palo Alto Research Center...
a year ago
Late in 1979, Steve Jobs and other colleagues from Apple visited the Xerox Palo Alto Research Center (PARC). There they were introduced to the experimental Alto computer and the Smalltalk language and computing environment, developed by Alan Kay’s Learning Research Group....
Math Is Still...
What Is the Nature of Time?
Time is all around us: in the language we use, in the memories we revisit and in our predictions of...
9 months ago
Time is all around us: in the language we use, in the memories we revisit and in our predictions of the future. But what exactly is it? The physicist and Nobel laureate Frank Wilczek joins Steve Strogatz to discuss the fundamental hallmarks of time.
The post What Is...
NeuroLogica Blog
Marmosets Call Each Other By Name
Humans identify and call each other by specific names. So far this advanced cognitive behavior has...
3 months ago
Humans identify and call each other by specific names. So far this advanced cognitive behavior has only been identified in a few other species, dolphins, elephants, and some parrots. Interestingly, it has never been documented in our closest relatives, non-human primates – that...
nanoscale views
Interesting reading - resonators, quantum geometry w/ phonons, and fractional quantum anomalous Hall
Real life continues to be busy, but I wanted to point out three recent articles that I found...
6 months ago
Real life continues to be busy, but I wanted to point out three recent articles that I found interesting:
Mechanical resonators are a topic with a long history, going back to the first bells and the tuning fork. I've written about micromachined resonators before, and the quest...
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
NeuroLogica Blog
Germany and Nuclear Power
Germany has been thrown around a lot as an example of both what to do and what not to do in terms of...
a year ago
Germany has been thrown around a lot as an example of both what to do and what not to do in terms of addressing global warming by embracing green energy technology. It’s possible to look back now and review the numbers, to see what the effect was of its decision to embrace...
IEEE Spectrum
The Battle for Better, Broader, More Inclusive AI
AI’s inclusivity problem is no secret. According to the ACLU, AI systems can perpetuate housing...
10 months ago
AI’s inclusivity problem is no secret. According to the ACLU, AI systems can perpetuate housing discrimination and bias in the justice system, among other harms. Bias in the data an AI model relies on is reproduced in its results.
Large Language Models (LLMs) share this problem;...
Explorations of an...
The Iberá Wetlands
The national and provincial parks of Iberá form the largest protected area in Argentina. These parks...
a year ago
The national and provincial parks of Iberá form the largest protected area in Argentina. These parks protect a portion of the Iberá Wetlands, which is the second largest wetland complex in South America after Brazil's Pantanal. The Iberá Wetlands is a vitally important area for...
Out-of-Pocket Blog
Decentralizing Journals and Peer Review DAOs | Out-Of-Pocket
the evolution of legitimacy in scientific publishing
a year ago
the evolution of legitimacy in scientific publishing
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
Chris Grossack's...
Proving Another "Real Theorem" with Topos Theory
Another day, another post that starts with “So I was on mse…”, lol.
Somebody asked whether...
9 months ago
Another day, another post that starts with “So I was on mse…”, lol.
Somebody asked whether maximizing over a compact set is a continuous thing
to do. That is, given a continuous function $f : K \times X \to \mathbb{R}$ is the
function $x \mapsto \max_{k \in K} f(k,x)$...
Cremieux Recueil
Workers For Robots
Want to give blue collar workers the sorts of jobs they can raise a family on and revive American...
a month ago
Want to give blue collar workers the sorts of jobs they can raise a family on and revive American manufacturing? Then you should support automation
NeuroLogica Blog
Nuclear Microreactors
The first nuclear powered vessel was completed in 1959. Since then there have been nuclear powered...
a year ago
The first nuclear powered vessel was completed in 1959. Since then there have been nuclear powered vessels in the oceans, including many nuclear submarines. The obvious advantage is that is such vessels can stay at see for long periods of time without refueling. These ships use...
IEEE Spectrum
Why L. Ron Hubbard Patented His E-Meter
zombie mysteries, historical fiction, pirate adventure tales, and westerns.
science fiction. The...
8 months ago
zombie mysteries, historical fiction, pirate adventure tales, and westerns.
science fiction. The publishers of Astounding Science Fiction approached Hubbard to write stories that focused on people, rather than robots and machines. His first story, “The Dangerous Dimension,” was...
Explorations of an...
A Rare Hummingbird Twitch In Ecuador
October 22, 2023
I recently returned from Ecuador where I had spent the previous couple of weeks....
a year ago
October 22, 2023
I recently returned from Ecuador where I had spent the previous couple of weeks. The main purpose of the trip was to lead a tour for Worldwide Quest to the Galápagos archipelago, but I made some time for a little extra-curricular birding as well. If I was going...
Wanderingspace
New View of IO from JUNO!
From processor Ted Styrk, “The Juno Jupiter orbiter flew by Io, Jupiter's super-volcanic moon, on...
a year ago
From processor Ted Styrk, “The Juno Jupiter orbiter flew by Io, Jupiter's super-volcanic moon, on May 16, returning arguably the best imagery of the moon since the Galileo Orbiter around the beginning of this century. Definitely the best since New Horizons in 2006.”
The Roots of...
Why no Roman Industrial Revolution?
Why didn’t the Roman Empire have an industrial revolution?
Bret Devereaux has an essay addressing...
a year ago
Why didn’t the Roman Empire have an industrial revolution?
Bret Devereaux has an essay addressing that question, which multiple people have pointed me to at various times. In brief, Devereaux says that Britain industrialized through a very specific path, involving coal mines,...
Probably...
Standard deviation of a count
This post is part of a new project with the working title Data Q&A: Answering the real questions...
8 months ago
This post is part of a new project with the working title Data Q&A: Answering the real questions with Python. In each installment, I’ll take a question from Reddit’s statistics forum and answer it, using Python code to demonstrate. My answer is in a Jupyter notebook — see the...
The Works in...
Issue 15: To change a norm
Plus: bland buildings can't be blamed on labor costs, reasons to be sceptical about prediction...
7 months ago
Plus: bland buildings can't be blamed on labor costs, reasons to be sceptical about prediction markets, and gentrification policies that actually help.
The Roots of...
Why you, personally, should want a larger human population
What is the ideal size of the human population?
One common answer is “much smaller.” Paul Ehrlich,...
10 months ago
What is the ideal size of the human population?
One common answer is “much smaller.” Paul Ehrlich, co-author of The Population Bomb (1968), has as recently as 2018 promoted the idea that “the world’s optimum population is less than two billion people,” a reduction of the current...
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.
IEEE Spectrum
100 Years Ago, IBM Was Born
Happy birthday, IBM! You’re 100 years old! Or are you?
It’s true that the businesses that formed IBM...
10 months ago
Happy birthday, IBM! You’re 100 years old! Or are you?
It’s true that the businesses that formed IBM began in the late 1800s. But it’s also true that a birth occurred in February 1924, with the renaming of the Computing-Tabulating-Recording Co. as the International Business...
Math Is Still...
In New Paradox, Black Holes Appear to Evade Heat Death
The puzzling behavior of black hole interiors has led researchers to propose a new physical law: the...
a year ago
The puzzling behavior of black hole interiors has led researchers to propose a new physical law: the second law of quantum complexity.
The post In New Paradox, Black Holes Appear to Evade Heat Death first appeared on Quanta Magazine
Math Is Still...
How Is Science Even Possible?
How are scientists able to crack fundamental questions about nature and life? How does math make the...
6 months ago
How are scientists able to crack fundamental questions about nature and life? How does math make the complex cosmos understandable? In this episode, the physicist Nigel Goldenfeld and co-host Steven Strogatz explore the deep foundations of the scientific process.
The...
Math Is Still...
Math Proof Draws New Boundaries Around Black Hole Formation
For a half century, mathematicians have tried to define the exact circumstances under which a black...
a year ago
For a half century, mathematicians have tried to define the exact circumstances under which a black hole is destined to exist. A new proof shows how a cube can help answer the question.
The post Math Proof Draws New Boundaries Around Black Hole Formation first...
Damn Interesting
From Where the Sun Now Stands
An American Indian man on horseback stood outlined against a steely sky past midday on 05 October...
a year ago
An American Indian man on horseback stood outlined against a steely sky past midday on 05 October 1877. Winter was already settling into the prairies of what would soon become the state of Montana.
Five white men stood in the swaying grass on the other side of the field,...
Math Is Still...
The ‘Beautiful Confusion’ of the First Billion Years Comes Into View
Astronomers are reveling in the James Webb Space Telescope’s discoveries about the formative epoch...
2 months ago
Astronomers are reveling in the James Webb Space Telescope’s discoveries about the formative epoch of cosmic history.
The post The ‘Beautiful Confusion’ of the First Billion Years Comes Into View first appeared on Quanta Magazine
Damn Interesting
A Taste of Italy
In the mid-1800s, Italy was consumed by two parallel fights: one to rid itself of Austrian...
over a year ago
In the mid-1800s, Italy was consumed by two parallel fights: one to rid itself of Austrian domination (a holdover from the Holy Roman Empire) and the other for unification. At the time, Europe’s boot was a curious conglomeration of separate states, not all of which got along....
Out-of-Pocket Blog
Did The FDA Mess Up With Aduhelm? | Out-Of-Pocket
Rethinking the approval, coverage, and reimbursement dynamic
a year ago
Rethinking the approval, coverage, and reimbursement dynamic
Beautiful Public...
Special Database 18: 3,248 Mugshots Used for Training Image Recognition Systems
The National Institute of Standards and Technology (NIST) has maintained a dataset of mugshot photos...
a year ago
The National Institute of Standards and Technology (NIST) has maintained a dataset of mugshot photos of 1,573 people for decades, including 175 minors, until we asked about them.
NeuroLogica Blog
The Alzheimer’s Revolution
Decades of complex research and persevering through repeated disappointment appears to be finally...
a year ago
Decades of complex research and persevering through repeated disappointment appears to be finally paying off for the diagnosis and treatment of Alzheimer’s disease (AD). In 2021 Aduhelm was the first drug approved by the FDA (granted contingent accelerated approval) that is...
Out-of-Pocket Blog
Viz.ai and why workflow > tech | Out-Of-Pocket
Also ?? about AI business models
a year ago
Also ?? about AI business models
nanoscale views
New paper - plasmons, excitons, and steering energy
We have a new paper out in Nano Letters (arxiv version here), and I wanted to explain a bit about it...
a year ago
We have a new paper out in Nano Letters (arxiv version here), and I wanted to explain a bit about it and why I think it's a really cool result.
I've written before about the Purcell Effect. When we study quantum mechanics, we learn that the rates of processes, like the...
Math Is Still...
Deep Beneath Earth’s Surface, Clues to Life’s Origins
Last spring, scientists retrieved a trove of mantle rocks from underneath the Atlantic seafloor — a...
11 months ago
Last spring, scientists retrieved a trove of mantle rocks from underneath the Atlantic seafloor — a bounty that could help write the first chapter of life's story on Earth.
The post Deep Beneath Earth’s Surface, Clues to Life’s Origins first appeared on Quanta...
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...
Andrew Fraknoi –...
My Free Introductory Astronomy Textbook Hits a Milestone
This time I am posting something a bit personal. I am the lead author of a free book that is part of...
7 months ago
This time I am posting something a bit personal. I am the lead author of a free book that is part of a nonprofit experiment to help students with the costs of college. Here is the news from our publisher: OpenStax, the open textbook publisher based at Rice University, is pleased...
Damn Interesting
The Unceasing Cessna Hacienda
Warren “Doc” Bayley was a man of the people. When he and his wife Judy opened their Las Vegas resort...
over a year ago
Warren “Doc” Bayley was a man of the people. When he and his wife Judy opened their Las Vegas resort in 1956, Bayley had no plans to compete with the flashier, corporate casinos at the center of the Strip. Instead, the Hacienda Hotel catered to families, as well as to locals who...
The Works in...
Special Issue 01: Lost in Stagnation
Dude, where is my flying car?
over a year ago
Dude, where is my flying car?
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
nanoscale views
Tour de force work: Bragg, diffraction, and diamond
There are some examples of scientific progress that just seem so far above and beyond the norm, it's...
a year ago
There are some examples of scientific progress that just seem so far above and beyond the norm, it's almost jaw dropping in terms of the mental leap needed for the insight. One example that I always liked to point out to first-year undergrads learning about gravity is Johannes...
symmetry magazine
Tending to a giant
In a race against the clock, CERN engineers and technicians pulled together to find and fix a leak...
a year ago
In a race against the clock, CERN engineers and technicians pulled together to find and fix a leak inside the Large Hadron Collider.
NeuroLogica Blog
Problems with the Institute Of Noetic Sciences
I was interviewed recently for a Daily Beast article on recent research involving the Institute of...
a year ago
I was interviewed recently for a Daily Beast article on recent research involving the Institute of Noetic Sciences (IONS). Overall the article is very good, and author Maddie Bender was fair and reasonable in how I was quoted. I can’t always take that as a given. No matter how...
Confessions of a...
A first step into the unknown world of academia…….
At the beginning of this blog I did promise to include some writings that would at least be...
over a year ago
At the beginning of this blog I did promise to include some writings that would at least be semi-useful (hopefully!) to future students hoping to move into a career in marine science; so here it goes! From today I am beginning a year long Postgraduate Teaching Internship at UWA....
Math Is Still...
New Kind of Magnetism Spotted in an Engineered Material
In an atomically thin stack of semiconductors, a mechanism unseen in any natural substance causes...
11 months ago
In an atomically thin stack of semiconductors, a mechanism unseen in any natural substance causes electrons’ spins to align.
The post New Kind of Magnetism Spotted in an Engineered Material first appeared on Quanta Magazine
Asterisk
Through the Looking Glass, and What Zheludev et al. (2024) Found There
Every time microbiologists develop a new way of looking, they find that there’s more to see than...
5 months ago
Every time microbiologists develop a new way of looking, they find that there’s more to see than they expected.
IEEE Spectrum
Xerox Donates Legendary PARC Research Center
Xerox is donating its legendary research lab PARC to the nonprofit research institute SRI...
a year ago
Xerox is donating its legendary research lab PARC to the nonprofit research institute SRI International. The subsidiary’s pioneering research in the 1970s helped give birth to the era of personal computing. Xerox says the move will allow it to focus on its core business.
The...
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...
Math Is Still...
Hyperjumps Math Game
Play Quanta Magazine’s daily interactive math game, Hyperjumps!
The post Hyperjumps Math...
10 months ago
Play Quanta Magazine’s daily interactive math game, Hyperjumps!
The post Hyperjumps Math Game first appeared on Quanta Magazine
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,...
Out-of-Pocket Blog
OOP Slack final reminder | Out-Of-Pocket
it's the final countdownnnnn
9 months ago
it's the final countdownnnnn
IEEE Spectrum
The Unlikely Inventor of the Automatic Rice Cooker
How the automatic rice cooker was invented
It isn’t often that housewives get credit in the annals...
a month ago
How the automatic rice cooker was invented
It isn’t often that housewives get credit in the annals of invention, but in the story of the automatic rice cooker, a woman takes center stage. That happened only after the first attempts at electrifying rice cooking, starting in the...
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 […]
nanoscale views
The difficult need for creativity on demand
Thoughts at the end of another busy year…. Good science is a creative enterprise. Some stereotypes...
a year ago
Thoughts at the end of another busy year…. Good science is a creative enterprise. Some stereotypes paint most scientists as toiling away, so deeply constrained by logic that they function more like automatons grinding out the next incremental advance in a steady if slow march of...
Willem Pennings
Fixing my heating system
The heating system in my apartment building consists of a group of heat pumps that deliver warm...
7 months ago
The heating system in my apartment building consists of a group of heat pumps that deliver warm water to the underfloor heating system of about a dozen apartments, including mine. During the warm summer months, the system supplies cool water instead. The heat pumps figure out...
Interaction Magic -...
Hacking the terrorist timepiece
The hardest part of building hardware interfaces is not having the right tools to prototype, test...
over a year ago
The hardest part of building hardware interfaces is not having the right tools to prototype, test and validate ideas. A behind the scenes look at my prototyping process, on a project to re-invent the famous Casio F-91W watch.
Math Is Still...
Exoplanets Could Help Us Learn How Planets Make Magnetism
New observations of a faraway rocky world that might have its own magnetic field could help...
a year ago
New observations of a faraway rocky world that might have its own magnetic field could help astronomers understand the seemingly haphazard magnetic fields swaddling our solar system’s planets.
The post Exoplanets Could Help Us Learn How Planets Make Magnetism first...
Bartosz Ciechanowski
Bicycle
There is something delightful about riding a bicycle. Once mastered, the simple action of pedaling...
a year ago
There is something delightful about riding a bicycle. Once mastered, the simple action of pedaling to move forward and turning the handlebars to steer makes bike riding an effortless activity. In the demonstration below, you can guide the rider with the slider, and you can also...
Chris Grossack's...
Finiteness in Sheaf Topoi
The notion of “finiteness” is constructively subtle in ways that can be
tricky for people new to...
4 months ago
The notion of “finiteness” is constructively subtle in ways that can be
tricky for people new to the subject to understand. For a while now I’ve
wanted to figure out what’s going on with the different versions of “finite”
in a way that felt concrete and obvious (I mentioned...
Math Is Still...
How Simple Math Moves the Needle
The spatial intuition behind a three-point turn offers an on-ramp to a century-old geometry problem....
a year ago
The spatial intuition behind a three-point turn offers an on-ramp to a century-old geometry problem.
The post How Simple Math Moves the Needle first appeared on Quanta Magazine
symmetry magazine
Physics on tour
A group called the Big Bang Collective sets up physics discovery stations at rather unexpected...
a year ago
A group called the Big Bang Collective sets up physics discovery stations at rather unexpected venues: music festivals.
Math Is Still...
Vacuum of Space to Decay Sooner Than Expected (but Still Not Soon)
One of the quantum fields that fills the universe is special because its default value seems poised...
5 months ago
One of the quantum fields that fills the universe is special because its default value seems poised to eventually change, changing everything.
The post Vacuum of Space to Decay Sooner Than Expected (but Still Not Soon) first appeared on Quanta Magazine
Beautiful Public...
14,000 Photos of Army Uniforms and Rations from the 70s and 80s
An incredible archive of 14,000 photos of Army uniforms, military gear and rations from the 70s and...
a month ago
An incredible archive of 14,000 photos of Army uniforms, military gear and rations from the 70s and 80s.
Math Is Still...
The Symmetry That Makes Solving Math Equations Easy
Learn why the quadratic formula works and why quadratics are easier to solve than cubics. ...
a year ago
Learn why the quadratic formula works and why quadratics are easier to solve than cubics.
The post The Symmetry That Makes Solving Math Equations Easy first appeared on Quanta Magazine
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
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...
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
IEEE Spectrum
When IBM Built a War Room for Executives
Computer History Museum’s collection has a biography of sorts—a life before CHM, a tale about how it...
a week ago
Computer History Museum’s collection has a biography of sorts—a life before CHM, a tale about how it came to us, and a life within the museum. The chapters of that biography include the uses made of it, and the historical and interpretive stories it can be made to tell. This then...
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,...
Math Is Still...
Celebrated Cryptography Algorithm Gets an Upgrade
Two researchers have improved a well-known technique for lattice basis reduction, opening up new...
a year ago
Two researchers have improved a well-known technique for lattice basis reduction, opening up new avenues for practical experiments in cryptography and mathematics.
The post Celebrated Cryptography Algorithm Gets an Upgrade first appeared on Quanta Magazine
Asterisk
Why We Shut Down
In international development, it’s not enough to try to do good. We need the tools to tell if a...
5 months ago
In international development, it’s not enough to try to do good. We need the tools to tell if a project is really working — and the incentive to end it if it’s not.
NeuroLogica Blog
Oxygen As A Technosignature
This is one of the biggest thought experiments in science today – as we look for life elsewhere in...
11 months ago
This is one of the biggest thought experiments in science today – as we look for life elsewhere in the universe, what should we be looking for, exactly? Other stellar systems are too far away to examine directly, and even our most powerful telescopes can only resolve points of...
Asterisk
Silicon Valley’s Gold Rush Roots
Silicon Valley, purveyor of disruptive technologies, likes to think of itself as sui generis. But...
8 months ago
Silicon Valley, purveyor of disruptive technologies, likes to think of itself as sui generis. But there’s a clear line from tech’s knowledge economy to the Bay Area’s first economy: gold mining.
Andrew Fraknoi –...
Eclipse of the Sun Coming in One Week
Saturday Oct. 14 North America will be treated to an eclipse of the Sun.
The post Eclipse of the Sun...
a year ago
Saturday Oct. 14 North America will be treated to an eclipse of the Sun.
The post Eclipse of the Sun Coming in One Week appeared first on Andrew Fraknoi - Astronomy Lectures - Astronomy Education Resources.
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.
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...
Asterisk
The Art of Asking Questions
Everyone seems to agree that self-report questions are fraught with lies, biases, errors, and other...
3 weeks ago
Everyone seems to agree that self-report questions are fraught with lies, biases, errors, and other inaccuracies. We all use them anyway. How can we ask them better?
Asterisk
The Depths of Wikipedians
A conversation about yogurt wars, German hymns, tropical cyclones, and the people who make Wikipedia...
a month ago
A conversation about yogurt wars, German hymns, tropical cyclones, and the people who make Wikipedia function.
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
How To Prove Prevention Works
Homer: Not a bear in sight. The Bear Patrol must be working like a charm. Lisa: That’s specious...
10 months ago
Homer: Not a bear in sight. The Bear Patrol must be working like a charm. Lisa: That’s specious reasoning, Dad. Homer: Thank you, dear. Lisa: By your logic I could claim that this rock keeps tigers away. Homer: Oh, how does it work? Lisa: It doesn’t work. Homer: Uh-huh. Lisa:...
Math Is Still...
The Enduring Mystery of How Water Freezes
Making ice requires more than subzero temperatures. The unpredictable process takes microscopic...
6 months ago
Making ice requires more than subzero temperatures. The unpredictable process takes microscopic scaffolding, random jiggling and often a little bit of bacteria.
The post The Enduring Mystery of How Water Freezes first appeared on Quanta Magazine
The Works in...
Two Assault Rifles
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
Cremieux Recueil
2024 SAT Data Drop
The College Board has just released the latest SAT data. Here's a review.
2 months ago
The College Board has just released the latest SAT data. Here's a review.
NeuroLogica Blog
Fruit Fly Connectome Completed
Scientists have just published in Nature that they have completed the entire connectome of a fruit...
2 months ago
Scientists have just published in Nature that they have completed the entire connectome of a fruit fly: Network statistics of the whole-brain connectome of Drosophila. The map includes 140,000 neurons and more than 50 million connections. This is an incredible achievement that...
Math Is Still...
New Codes Could Make Quantum Computing 10 Times More Efficient
Quantum computing is still really, really hard. But the rise of a powerful class of error-correcting...
a year ago
Quantum computing is still really, really hard. But the rise of a powerful class of error-correcting codes suggests that the task might be slightly more feasible than many feared.
The post New Codes Could Make Quantum Computing 10 Times More Efficient first appeared...
The Roots of...
Four lenses on AI risks
All powerful new technologies create both benefits and risks: cars, planes, drugs, radiation. AI is...
a year ago
All powerful new technologies create both benefits and risks: cars, planes, drugs, radiation. AI is on a trajectory to become one of the most powerful technologies we possess; in some scenarios, it becomes by far the most powerful. It therefore will create both extraordinary...
Math Is Still...
Novel Architecture Makes Neural Networks More Understandable
By tapping into a decades-old mathematical principle, researchers are hoping that Kolmogorov-Arnold...
3 months ago
By tapping into a decades-old mathematical principle, researchers are hoping that Kolmogorov-Arnold networks will facilitate scientific discovery.
The post Novel Architecture Makes Neural Networks More Understandable first appeared on Quanta Magazine
Probably...
How Does World Population Grow?
Recently I posed this question on Twitter: “Since 1960, has world population grown exponentially,...
a year ago
Recently I posed this question on Twitter: “Since 1960, has world population grown exponentially, quadratically, linearly, or logarithmically?” Here are the responses: By a narrow margin, the most popular answer is correct — since 1960 world population growth has been roughly...
Uncharted...
Is Desalination Everywhere Realistic?
Which countries are doing it already? Are they happy? Is desalinated water safe to drink? Does it...
a month ago
Which countries are doing it already? Are they happy? Is desalinated water safe to drink? Does it taste good? Does it pollute too much? Can we shrink its cost?
NeuroLogica Blog
Eclipse 2024
I am currently in Dallas Texas waiting to see, hopefully, the 2024 total solar eclipse. This would...
8 months ago
I am currently in Dallas Texas waiting to see, hopefully, the 2024 total solar eclipse. This would be my first total eclipse, and everything I have heard indicates that it is an incredible experience. Unfortunately, the weather calls for some clouds, although forecasts have been...
Blog - Practical...
This Bridge Should Have Been Closed Years Before It Collapsed
[Note that this article is a transcript of the video embedded above.]
On January 28, 2022, about an...
6 months ago
[Note that this article is a transcript of the video embedded above.]
On January 28, 2022, about an hour before dawn, the four-lane Fern Hollow Bridge in Pittsburgh, Pennsylvania, collapsed without warning. Five vehicles, including an articulating bus, fell with the bridge, and...
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.
IEEE Spectrum
From Punch Cards to Python
In today’s digital world, it’s easy for just about anyone to create a mobile app or write software,...
3 months ago
In today’s digital world, it’s easy for just about anyone to create a mobile app or write software, thanks to Java, JavaScript, Python, and other programming languages.
But that wasn’t always the case. Because the primary language of computers is binary code, early programmers...
Wanderingspace
Cassini’s Final Look at Enceladus
Taken on August 28, 2017. Credit: NASA/JPL-Caltech/Space Science Institute
This is from images...
over a year ago
Taken on August 28, 2017. Credit: NASA/JPL-Caltech/Space Science Institute
This is from images obtained by Cassini shortly before plunging into the Saturnian atmosphere. The images were taken over 14 hours and compiled into this animation.
Wanderingspace
URANUS FROM THE JAMES WEBB SPACE TELESCOPE
This is not natural light, nothing is from Webb. The infrared image combines data from two filters...
a year ago
This is not natural light, nothing is from Webb. The infrared image combines data from two filters which are shown in blue and orange,. The planet displays a blue hue in the resulting representative-color image which is similar to the planet’s actual color. But in reality Uranus...
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...
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...
NeuroLogica Blog
Climate Sensitivity and Confirmation Bias
I love to follow kerfuffles between different experts and deep thinkers. It’s great for revealing...
9 months ago
I love to follow kerfuffles between different experts and deep thinkers. It’s great for revealing the subtleties of logic, science, and evidence. Recently there has been an interesting online exchange between a physicists science communicator (Sabine Hossenfelder) and some...
Probably...
Migration and Population Growth
On a recent run I was talking with a friend from Spain about immigration in Europe. We speculated...
6 months ago
On a recent run I was talking with a friend from Spain about immigration in Europe. We speculated about whether the population of Spain would be growing or shrinking if there were no international migration. I thought it might be shrinking, but we were not sure. Fortunately, Our...
Explorations of an...
A Month In Northern Peru, Part 10: The Owlet Lodge (February 11 and 12, 2024)
February 11, 2024
Laura and I were looking forward to our one-night visit to the Owlet Lodge. Up to...
5 months ago
February 11, 2024
Laura and I were looking forward to our one-night visit to the Owlet Lodge. Up to this point we had only stayed at cheap hotels, while we had also eaten simply, with at least two meals each day consisting of sandwiches/snacks that we prepared. For once, someone...
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
brr
McMurdo Postal Mail
How to mail things to and from Antarctica!
over a year ago
How to mail things to and from Antarctica!
Interaction Magic -...
Modelling my brain
A 22 hour medical experiment breathing 12% oxygen, and the 7000 images of my brain that came out of...
over a year ago
A 22 hour medical experiment breathing 12% oxygen, and the 7000 images of my brain that came out of it.
Math Is Still...
Mathematicians Cross the Line to Get to the Point
A new paper establishes a long-conjectured bound about the size of the overlap between sets of lines...
a year ago
A new paper establishes a long-conjectured bound about the size of the overlap between sets of lines and points.
The post Mathematicians Cross the Line to Get to the Point first appeared on Quanta Magazine
brr
Last Flight Out
Good-byes, and the beginning of winter isolation.
a year ago
Good-byes, and the beginning of winter isolation.
Stephen Wolfram...
Why Does Biological Evolution Work? A Minimal Model for Biological Evolution and Other Adaptive...
The Model Why does biological evolution work? And, for that matter, why does machine learning work?...
7 months ago
The Model Why does biological evolution work? And, for that matter, why does machine learning work? Both are examples of adaptive processes that surprise us with what they manage to achieve. So what’s the essence of what’s going on? I’m going to concentrate here on biological...
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...
Math Is Still...
The Brainstem Fine-Tunes Inflammation Throughout the Body
The evolutionarily ancient part of the brain that controls breathing and heart rate also regulates...
6 months ago
The evolutionarily ancient part of the brain that controls breathing and heart rate also regulates the immune system — a discovery about the brain-body axis made by experts on taste.
The post The Brainstem Fine-Tunes Inflammation Throughout the Body first appeared on...
Blog - Practical...
Why Construction Projects Always Go Over Budget
[Note that this article is a transcript of the video embedded above.]
Boston, Massachusetts is one...
a year ago
[Note that this article is a transcript of the video embedded above.]
Boston, Massachusetts is one of the oldest cities in America, founded in 1630, more than a few years before the advent of modern motor vehicles. In the 1980s, traffic in downtown Boston was nearly unbearable...
The Works in...
Issue 16: I dream of genes
Plus: how humans are outdoing nature's shiniest creations; the history of measuring price rises; and...
3 months ago
Plus: how humans are outdoing nature's shiniest creations; the history of measuring price rises; and how America's favourite type of coffee got really, really good.
Math Is Still...
The Two Faces of Space-Time
A mysterious phenomenon known as duality often leads to new discoveries in physics. This time,...
2 months ago
A mysterious phenomenon known as duality often leads to new discoveries in physics. This time, space-time itself can sometimes be two things at once.
The post The Two Faces of Space-Time first appeared on Quanta Magazine
Casey Handmer's blog
Entrepreneurship changed the way I think
A quick note with some self reflection on the eve of my 37th year and after nearly three years of...
3 months ago
A quick note with some self reflection on the eve of my 37th year and after nearly three years of running a hardware start up. I never saw myself as a founder. At some point a few years ago I realized nearly all my friends were founders or managers of their own business, but I...
NeuroLogica Blog
Using AI To Create Virtual Environments
Generative AI applications seem to be on the steep part of the development curve – not only is the...
8 months ago
Generative AI applications seem to be on the steep part of the development curve – not only is the technology getting better, but people are finding more and more uses for it. It’s a new powerful tool with broad applicability, and so there are countless startups and researchers...
Cremieux Recueil
Food Deserts Are Not Real
They're more like bad habit neighborhoods
3 months ago
They're more like bad habit neighborhoods
NeuroLogica Blog
Was Jesus a Con Artist?
Let me start out by saying that I think the answer to that question is no – but this requires lots...
4 months ago
Let me start out by saying that I think the answer to that question is no – but this requires lots of clarification. This was, however, the discussion here, while although poorly informed, does raise some interesting questions. This is a Tik Tok video of a popular podcast which...
Damn Interesting
The Mount St. Helens Trespasser
The Washington state deputy sheriff looked suspiciously at the motorcycle strapped to the back of...
over a year ago
The Washington state deputy sheriff looked suspiciously at the motorcycle strapped to the back of the odd little French car. The motorcycle was a recently repaired Honda 90, sporting a fresh coat of grey spray paint. The driver, Robert Rogers, kept a neutral expression as the...
Math Is Still...
Math That Connects Where We’re Going to Where We’ve Been
Recursion builds bridges between ideas from across different math classes and illustrates the power...
9 months ago
Recursion builds bridges between ideas from across different math classes and illustrates the power of creative mathematical thinking.
The post Math That Connects Where We’re Going to Where We’ve Been first appeared on Quanta Magazine
Blog - Practical...
What Is A Black Start Of The Power Grid?
[Note that this article is a transcript of the video embedded above.]
November 1965 saw one of the...
over a year ago
[Note that this article is a transcript of the video embedded above.]
November 1965 saw one of the most widespread power outages in North American history. On the freezing cold evening of the 9th, the grid was operating at maximum capacity as people tried to stay warm when a...
NeuroLogica Blog
Finding Common Ground on Democracy
How is American democracy doing, and what can we do to improve it, if necessary? This is clearly a...
a year ago
How is American democracy doing, and what can we do to improve it, if necessary? This is clearly a question of political science, and I am not a political scientist, and this is not a political blog. But there are some basic principles of critical thinking that might apply, and...
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...
The Works in...
Notes on Progress: A winter's tale
Melting snow can make the season easier
a year ago
Melting snow can make the season easier
NeuroLogica Blog
New Asteroid Probably Won’t Hit Earth
NASA recently discovered a 50 meter wide asteroid whose orbit will come close to Earth. They...
a year ago
NASA recently discovered a 50 meter wide asteroid whose orbit will come close to Earth. They estimate a close approach in 2046, which will likely bring the asteroid within 1.1 million miles of the Earth, about four times the distance of the moon. However, there is always...
IEEE Spectrum
Robert Kahn: The Great Interconnector
In the mid-1960s, Robert Kahn began thinking about how computers with different operating systems...
8 months ago
In the mid-1960s, Robert Kahn began thinking about how computers with different operating systems could talk to each other across a network. He didn’t think much about what they would say to one another, though. He was a theoretical guy, on leave from the faculty of the...
brr
Pressure Altitude
Day-to-day variability at the South Pole.
a year ago
Day-to-day variability at the South Pole.
Out-of-Pocket Blog
Musings on CVS, two-way negotiation, and venture studios | Out-Of-Pocket
+ we're hosting another dinner! and courses ending!
8 months ago
+ we're hosting another dinner! and courses ending!
Uncharted...
The Latest on Healthcare Research
Cancer research, AI in healthcare, aging research, and much more
a month ago
Cancer research, AI in healthcare, aging research, and much more
IEEE Spectrum
Smellovision Gets a Refresh
This article is part of our exclusive IEEE Journal Watch series in partnership with IEEE...
a year ago
This article is part of our exclusive IEEE Journal Watch series in partnership with IEEE Xplore.
Modern virtual reality is a feast for the eyes and ears—but coming in a distant fourth (behind haptic touch technologies), smell has been nearly completely ignored.
Earlier this...
Out-of-Pocket Blog
Placebos Are Getting Stronger | Out-Of-Pocket
Should we incorporate them into clinical practice?
a year ago
Should we incorporate them into clinical practice?
symmetry magazine
Celebrating Dark Matter Day in Latin America
Scientists, artists, communicators and physics fans find creative ways to mark the unofficial...
a year ago
Scientists, artists, communicators and physics fans find creative ways to mark the unofficial holiday devoted to dark matter.
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
NeuroLogica Blog
Is Music Getting Simpler
I don’t think I know anyone personally who doesn’t have strong opinions about music – which genres...
8 months ago
I don’t think I know anyone personally who doesn’t have strong opinions about music – which genres they like, and how the quality of music may have changed over time. My own sense is that music as a cultural phenomenon is incredibly complex, no one (in my social group) really...
Wanderingspace
Kind of Cool Image of Io from Juno
Image Courtesy of NASA/JPL-Caltech/SwRI
The brightest spot is a radiation signature, but all the...
over a year ago
Image Courtesy of NASA/JPL-Caltech/SwRI
The brightest spot is a radiation signature, but all the rest are thought to be active volcanos on the Io surface. The moons are not a primary target of the Juno mission, but they do occasionally take a peek to try and monitor such...
Out-of-Pocket Blog
Radiology, Residency, and Physician Tools with Henry Li | Out-Of-Pocket
What's actually happening in the hospital?
a year ago
What's actually happening in the hospital?
Explorations of an...
A Month In Northern Peru, Part 6: A Long, Sketchy Drive To Find Atuen Antpittas (February 8, 2024)
One of the fun aspects of birding during this particular period of history is that our understanding...
8 months ago
One of the fun aspects of birding during this particular period of history is that our understanding of how birds are related to each other is changing rapidly. Back in the "old days", our collective knowledge of these topics was a bit more rudimentary. Species were grouped...
Cremieux Recueil
Why America’s Racial Poverty Statistics Are a Lesson for Researchers
What if a single government employee could tell you an entire literature was wrong?
3 months ago
What if a single government employee could tell you an entire literature was wrong?
Asterisk
Why Is Everyone Suddenly Furious About AI Regulation?
Please tell us, because we're stumped.
7 months ago
Please tell us, because we're stumped.
brr
Engineering for Slow Internet
How to minimize user frustration in Antarctica.
6 months ago
How to minimize user frustration in Antarctica.
symmetry magazine
Life along the future DUNE beamline
Unseen neutrinos, visible lives: A photographer journeys through the Midwest.
a year ago
Unseen neutrinos, visible lives: A photographer journeys through the Midwest.
Explorations of an...
A Month In Northern Peru, Part 9: Tinamous In the Amazon To Rare Montane Monkeys (February 11, 2024)
February 11, 2024
Our alarm went off at 4:30 AM and at 5:00 AM we began the long, windy drive in the...
5 months ago
February 11, 2024
Our alarm went off at 4:30 AM and at 5:00 AM we began the long, windy drive in the dark across the Andes. The reason for our early start is that we had a date with tinamous and wood-quails at a small family-run reserve called Arena Blanca. Our contact at the...
Math Is Still...
How Is AI Changing the Science of Prediction?
With lots of data, a strong model and statistical thinking, scientists can make predictions about...
a month ago
With lots of data, a strong model and statistical thinking, scientists can make predictions about all sorts of complex phenomena. Today, this practice is evolving to harness the power of machine learning and massive datasets. In this episode, co-host Steven Strogatz speaks with...
NeuroLogica Blog
The Lunar Cycle and Suicide
Does the lunar cycle affect human behavior? This seems to be a question that refuses to die, no...
a year ago
Does the lunar cycle affect human behavior? This seems to be a question that refuses to die, no matter how hard it is to confirm any actual effect. It’s now a cultural idea, deeply embedded and not going anywhere. A recent study, however, seems to show a correlation between...
NeuroLogica Blog
The Threat of Technology
In my second book (shameless plug alert) – The Skeptics’ Guide to the Future – my coauthors and I...
a year ago
In my second book (shameless plug alert) – The Skeptics’ Guide to the Future – my coauthors and I try to imagine both the utopian and dystopian versions of the future, brought about by technology, either individually or collectively. This topic has come up multiple times recently...
Marine Madness
Book Club: ‘The Island of Sea Women’ by Lisa See
Little is known about Jeju- a Korean island- occupied by brutal Japanese troops in the 1930s and...
over a year ago
Little is known about Jeju- a Korean island- occupied by brutal Japanese troops in the 1930s and ’40s, later liberated by US forces and turned over to the even more barbarous Korean regime whose wrongdoings were overlooked by both American and U.N. occupiers. Lisa See travels...
nanoscale views
What do we want in a conference venue?
The APS March Meeting was in Las Vegas this year, and I have yet to talk to a single attendee who...
a year ago
The APS March Meeting was in Las Vegas this year, and I have yet to talk to a single attendee who liked that decision in hindsight. In brief, the conference venue seemed about 10% too small (severe crowding issues in hallways between sessions); while the APS deal on hotels was...
Quantum Frontiers
Winners of the Quantum-Steampunk Short-Story Contest
During the past seven months, I’ve steamed across the Atlantic, sailed in a flying castle,...
a year ago
During the past seven months, I’ve steamed across the Atlantic, sailed in a flying castle, teleported across the globe, and shuttled forward and backward in time. Literarily, not literally—the Quantum-Steampunk Short-Story Contest began welcoming submissions in October 2022. We...
nanoscale views
APS March Meeting 2023, Day 4 + wrapup
My last day at the March Meeting was a bit scattershot, but here are a few highlights:
In a...
a year ago
My last day at the March Meeting was a bit scattershot, but here are a few highlights:
In a session about spin transport, the opening invited talk by Jiaming He was a clear discussion of recent experimental results on spin Seebeck effects in the magnetic insulator LuFeO3. The...
NeuroLogica Blog
Evidence and the Nanny State
One side benefit of our federalist system is that the US essentially has 50 experiments in...
a year ago
One side benefit of our federalist system is that the US essentially has 50 experiments in democracy. States hold a lot of power, which provides an opportunity to compare the effects of different public policies. There are lots of other variables at play, such as economics, rural...
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...
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.
NeuroLogica Blog
Moon Spacesuit Prototype Unveiled
Good spacesuits are deceptively difficult to design, even with today’s technology. NASA is planning...
a year ago
Good spacesuits are deceptively difficult to design, even with today’s technology. NASA is planning to return to the moon in 2025 (if all goes well) but the spacesuit the astronauts will wear is one piece to the puzzle they have not completed yet (the other being the lunar...
IEEE Spectrum
False Starts: The Story of Vehicle-to-Grid Power
In 2001, a team of engineers at a then-obscure R&D company called AC Propulsion quietly began a...
a year ago
In 2001, a team of engineers at a then-obscure R&D company called AC Propulsion quietly began a groundbreaking experiment. They wanted to see whether an electric vehicle could feed electricity back to the grid. The experiment seemed to prove the feasibility of the technology. The...
The Roots of...
The environment as infrastructure
A good metaphor for the ideal relationship between humanity and the environment is that the...
a year ago
A good metaphor for the ideal relationship between humanity and the environment is that the environment is like critical infrastructure.
Infrastructure is valuable, because it provides crucial services. You want to maintain it carefully, because it’s bad if it breaks down.
But...
Out-of-Pocket Blog
Random Uncontrolled Trials/Tweets | Out-Of-Pocket
I need to deactivate my Twitter smh
a year ago
I need to deactivate my Twitter smh
Uncharted...
Desalination: a Future of Infinite Water
Desalination is finally cheap, and it’s only getting cheaper. Will this usher a world of plentiful...
a month ago
Desalination is finally cheap, and it’s only getting cheaper. Will this usher a world of plentiful water everywhere? Will we be able to build in the Sahara?
Blog - Practical...
How Long Would Society Last During a Total Grid Collapse?
[Note that this article is a transcript of the video embedded above.]
In February 2021, a winter...
over a year ago
[Note that this article is a transcript of the video embedded above.]
In February 2021, a winter storm that swept through Texas caused one of the most severe power crises in American history. The cold weather created shockingly high electricity demands as people tried to keep...
Math Is Still...
Tight-Knit Microbes Live Together to Make a Vital Nutrient
At sea, biologists discovered microbial partners that together produce nitrogen, a nutrient...
5 months ago
At sea, biologists discovered microbial partners that together produce nitrogen, a nutrient essential for life. The pair are in the process of merging into a single organism.
The post Tight-Knit Microbes Live Together to Make a Vital Nutrient first appeared on Quanta...
Probably...
Think Python Goes to Production
Think Python has moved into production, on schedule for the official publication date in July — but...
9 months ago
Think Python has moved into production, on schedule for the official publication date in July — but maybe earlier if things go well. To celebrate, I have posted the next batch of chapters on the new site, up through Chapter 12, which is about Markov text analysis and generation,...
Probably...
Hazard and Survival
Here’s a question from the Reddit statistics forum. If I have a tumor that I’ve been told has a...
3 weeks ago
Here’s a question from the Reddit statistics forum. If I have a tumor that I’ve been told has a malignancy rate of 2% per year, does that compound? So after 5 years there’s a 10% chance it will turn malignant? This turns out to be an interesting question, because the answer...
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
Math Is Still...
How Math Has Changed the Shape of Gerrymandering
New tools make it possible to detect hidden manipulation of maps.
The post How Math Has...
a year ago
New tools make it possible to detect hidden manipulation of maps.
The post How Math Has Changed the Shape of Gerrymandering first appeared on Quanta Magazine
Math Is Still...
Plants Find Light Using Gaps Between Their Cells
A mutant seedling revealed how plant tissues scatter incoming light, allowing plants to sense its...
10 months ago
A mutant seedling revealed how plant tissues scatter incoming light, allowing plants to sense its direction and move toward it.
The post Plants Find Light Using Gaps Between Their Cells first appeared on Quanta Magazine
NeuroLogica Blog
Flooding is Increasing
Last month my flight home from Chicago was canceled because of an intense rainstorm. In CT the storm...
3 months ago
Last month my flight home from Chicago was canceled because of an intense rainstorm. In CT the storm was intense enough to cause flash flooding, which washed out roads and bridges and shut down traffic in many areas. The epicenter of the rainfall was in Oxford, CT (where my...
wadertales
Flexible nesting behaviour
In April and May, tens of thousands of Black-tailed Godwits return to Iceland, having spent the...
2 months ago
In April and May, tens of thousands of Black-tailed Godwits return to Iceland, having spent the summer in Western Europe, particularly Britain & Ireland but also France, Portugal and Spain. For early arrivals, the conditions they encounter vary markedly between years. In a cold...
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...
nanoscale views
Materials characterization techniques – a brief glossary
Suppose someone has synthesized or found what they think is a new material. How do people studying...
11 months ago
Suppose someone has synthesized or found what they think is a new material. How do people studying materials (condensed matter physicists, materials scientists, materials chemists) figure out what they have and understand its properties? That's the puzzle-solving aspect of...
Many Worlds
All Six Element Needed For Life as We Know It Have Now Been Found in The Watery Plumes of Enceladus
The elements needed for life as we know it are carbon, hydrogen, oxygen, nitrogen sulfur and...
a year ago
The elements needed for life as we know it are carbon, hydrogen, oxygen, nitrogen sulfur and phosphorus. Before today, planetary scientists could say that five of those crucial elements had been found in the watery spray that spurts out of the Saturn’s moon, Enceladus. All that...
brr
South Pole Arrival
Flying to the bottom of the world!
over a year ago
Flying to the bottom of the world!
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
Sean Carroll
George B. Field, 1929-2024
George Field, brilliant theoretical astrophysicist and truly great human being, passed away on the...
4 months ago
George Field, brilliant theoretical astrophysicist and truly great human being, passed away on the morning of July 31. He was my Ph.D. thesis advisor and one of my favorite people in the world. I often tell my own students that the two most important people in your life who you...
Full Width 
Shortcuts 
Sign Up 
Log In 
Articles 
Reading List 