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
Asterisk
Pew Problems
A conversation about religion, fertility, and the American family.
a year ago
A conversation about religion, fertility, and the American family.
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
Wanderingspace
JUPITER FROM JUNO
An unusual perspective, captured by NASA's Juno spacecraft in 2018.
a year ago
An unusual perspective, captured by NASA's Juno spacecraft in 2018.
Asterisk
Sins of the Children
The circle of life on Chelicer 14d.
5 months ago
The circle of life on Chelicer 14d.
Math Is Still...
Mathematicians Find Hidden Structure in a Common Type of Space
In 50 years of searching, mathematicians found only one example of a “subspace design” in a vector...
a year ago
In 50 years of searching, mathematicians found only one example of a “subspace design” in a vector space. A new proof reveals that there are infinitely more out there.
The post Mathematicians Find Hidden Structure in a Common Type of Space first appeared on Quanta...
Out-of-Pocket Blog
Some Common Mistakes to Avoid When Pitching Angels | Out-Of-Pocket
With some real decks and emails!
10 months ago
With some real decks and emails!
Marine Madness
Book club: ‘Being Salmon Being Human’ by Martin Lee Mueller
Encountering the Wild in Us and Us in the Wild Norwegian and Pacific Northwest salmon industries...
over a year ago
Encountering the Wild in Us and Us in the Wild Norwegian and Pacific Northwest salmon industries remain largely overlooked and Martin Lee Mueller cleverly weaves the stories of artificially inseminated and reared salmon to highlight the long-standing notion of human...
Uncharted...
The Earth Is Better with More People
A world with 2 billion people would be decaying, poor, brutal, violent, hopeless. With 100B, it...
3 weeks ago
A world with 2 billion people would be decaying, poor, brutal, violent, hopeless. With 100B, it would be rich, beautiful, vibrant, peaceful, hopeful.
Math Is Still...
How ‘Idle’ Egg Cells Defend Their DNA From Damage
How do immature egg cells maintain genetic quality for decades before they mature? Scientists find...
7 months ago
How do immature egg cells maintain genetic quality for decades before they mature? Scientists find unusual safeguards in this quiescent cell that may inform research into fertility.
The post How ‘Idle’ Egg Cells Defend Their DNA From Damage first appeared on Quanta...
Interaction Magic -...
The UX of LEGO Interface Panels
LEGO interface panels are beautiful, iconic, and great for learning interface design basics. I...
over a year ago
LEGO interface panels are beautiful, iconic, and great for learning interface design basics. I bought 52 of them from BrickLink to explore the design, layout and organisation of complex interfaces.
Out-of-Pocket Blog
Healthcare in India | Out-Of-Pocket
From the eyes of someone on the ground
a year ago
From the eyes of someone on the ground
Quantum Frontiers
A (quantum) complex legacy
Early in the fourth year of my PhD, I received a most John-ish email from John Preskill, my PhD...
a year ago
Early in the fourth year of my PhD, I received a most John-ish email from John Preskill, my PhD advisor. The title read, “thermodynamics of complexity,” and the message was concise the way that the Amazon River is damp: “Might … Continue reading →
The Works in...
The entrepreneurial state
How state competition – through war – can drive institutional progress
11 months ago
How state competition – through war – can drive institutional progress
NeuroLogica Blog
Ghosts Are Not Real
It’s Halloween, so there are a lot of fluff pieces about ghosts and similar phenomena circulating in...
a year ago
It’s Halloween, so there are a lot of fluff pieces about ghosts and similar phenomena circulating in the media. There are some good skeptical pieces as well, which is always nice to see. For this piece I did not want to frame the headline as a question, which I think is...
Drew Ex Machina
Star Way of Humanity: American Space Art
During the COVID-19 shutdown three years ago, I spent a lot of my time at home digging through my...
a year ago
During the COVID-19 shutdown three years ago, I spent a lot of my time at home digging through my archives discovering all sorts of items I […]
Probably...
Bootstrapping a Proportion
It’s another installment in Data Q&A: Answering the real questions with Python. Previous...
2 months ago
It’s another installment in Data Q&A: Answering the real questions with Python. Previous installments are available from the Data Q&A landing page. Here’s a question from the Reddit statistics forum. How do I use bootstrapping to generate confidence intervals for a...
nanoscale views
Foams! (or, why my split pea side dish boils over every Thanksgiving)
Foams can be great examples of mechanical metamaterials.
Adapted from TOC figure of this...
3 weeks ago
Foams can be great examples of mechanical metamaterials.
Adapted from TOC figure of this paper
Consider my shaving cream. You might imagine that the (mostly water) material would just pool as a homogeneous liquid, since water molecules have a strong attraction for one...
symmetry magazine
A different way of thinking
Neurodivergent physicists face barriers in STEM, but there are also benefits to being who they are.
a year ago
Neurodivergent physicists face barriers in STEM, but there are also benefits to being who they are.
NeuroLogica Blog
Should Tech Companies Be Liable for Content
The Supreme Court (SCOTUS) is hearing a case that will have profound effects on social media – is...
a year ago
The Supreme Court (SCOTUS) is hearing a case that will have profound effects on social media – is Google liable for a terrorist killing? The family of Nohemi Gonzalez is suing Google, because she was shot by an Islamic terrorist in 2015 and the family alleges this act was abetted...
Probably...
Which Standard Deviation?
It’s another installment in Data Q&A: Answering the real questions with Python. Previous...
6 months ago
It’s another installment in Data Q&A: Answering the real questions with Python. Previous installments are available from the Data Q&A landing page. standard_dev Which Standard Deviation¶ Here’s a question from the Reddit statistics forum. When do we use N and when N-1 for...
Beautiful Public...
Trademark Design Codes
The United States Patent and Trademark Office has a system of 1,400 descriptive "design codes"...
8 months ago
The United States Patent and Trademark Office has a system of 1,400 descriptive "design codes" allowing you to search for trademarks with “Rickshaws”, “Centaurs” or “Mechanical women”.
The Works in...
The ultra-selfish gene
Genetically modifying malaria-carrying mosquitoes could allow us to wipe out humanity’s most deadly...
a month ago
Genetically modifying malaria-carrying mosquitoes could allow us to wipe out humanity’s most deadly killer.
Explorations of an...
2023 Part 5: Late Summer To Early Winter In Ontario
August and September
In the middle of August, I traveled to Letchworth State Park in New York for a...
11 months ago
August and September
In the middle of August, I traveled to Letchworth State Park in New York for a weekend with some of my family. It was wonderful to spend time with everyone, as well as to get in some hiking and find some species that I haven't seen before in Ontario (mostly...
Math Is Still...
Never-Repeating Tiles Can Safeguard Quantum Information
Two researchers have proved that Penrose tilings, famous patterns that never repeat, are...
10 months ago
Two researchers have proved that Penrose tilings, famous patterns that never repeat, are mathematically equivalent to a kind of quantum error correction.
The post Never-Repeating Tiles Can Safeguard Quantum Information first appeared on Quanta Magazine
ToughSF
Space Tethers: Stringing up the Solar System
All the methods we have used to reach space so far have been subject to the Tsiolkovsky rocket...
over a year ago
All the methods we have used to reach space so far have been subject to the Tsiolkovsky rocket equation - propellant must be ejected and more and more of it is needed to go further.
What if we could break that equation with rotating orbital tethers?
The tether
I have worked...
brr
Engineering for Slow Internet
How to minimize user frustration in Antarctica.
6 months ago
How to minimize user frustration in Antarctica.
Blog - Practical...
You Spend More on Rust Than Gasoline (Probably)
[Note that this article is a transcript of the video embedded above.]
In July of 1995, Folsom Lake,...
over a year ago
[Note that this article is a transcript of the video embedded above.]
In July of 1995, Folsom Lake, a reservoir created by Folsom Dam in Northern California, reached its full capacity as snow continued to melt in the upstream Sierra. With the power plant shut down for...
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 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
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,...
Eukaryote Writes...
Defending against hypothetical moon life during Apollo 11
This is how a completely abstract argument about alien germs was taken seriously and mitigated at...
11 months ago
This is how a completely abstract argument about alien germs was taken seriously and mitigated at great effort and expense during the 1969 Apollo landing.
NeuroLogica Blog
Immune Cells to Fight Cancer
There is a recent medical advance that you may not have heard about unless you are a healthcare...
a year ago
There is a recent medical advance that you may not have heard about unless you are a healthcare professional or encountered it from the patient side – CAR-T cell therapy. A recent study shows the potential for continued incremental advance of this technology, but already it is a...
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...
symmetry magazine
Collaboration builds fantastical stories from nuggets of truth
What happens when you pair CERN scientists with science fiction writers to create short stories...
a year ago
What happens when you pair CERN scientists with science fiction writers to create short stories inspired by particle physics?
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?
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...
The Works in...
From MANUALS to YOUTUBE
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
Drew Ex Machina
Top Ten Posts of 2023
Now that we are at the end of 2023, it is time to look back at this year’s material published on...
11 months ago
Now that we are at the end of 2023, it is time to look back at this year’s material published on Drew Ex Machina and see […]
IEEE Spectrum
The Tremendous VR and CG Systems—of the 1960s
Ivan Sutherland has blazed a truly unique trail through computing over the past six decades. One of...
a year ago
Ivan Sutherland has blazed a truly unique trail through computing over the past six decades. One of the most influential figures in the story of computing, he helped to open new pathways for others to explore and dramatically extend: interactive computer graphics, virtual...
Quantum Frontiers
Beyond NISQ: The Megaquop Machine
On December 11, I gave a keynote address at the Q2B 2024 Conference in Silicon Valley. This is a...
a week ago
On December 11, I gave a keynote address at the Q2B 2024 Conference in Silicon Valley. This is a transcript of my remarks. The slides I presented are here. NISQ and beyond I’m honored to be back at Q2B for … Continue reading →
NeuroLogica Blog
Using AI for Neuroforecasting
I’ve been following AI (artificial intelligence) news very closely, including all the controversies...
a year ago
I’ve been following AI (artificial intelligence) news very closely, including all the controversies and concerns. I tend to fall on the side of – AI is a powerful tool, we should continue to develop it and use it responsibly. We don’t need to panic, and highly restrictive laws...
Explorations of an...
Day Five And Six At Río Bigal - The Last Hurrah
November 6, 2023
Somehow, it was already my final full day at Río Bigal. I am not sure where the...
a year ago
November 6, 2023
Somehow, it was already my final full day at Río Bigal. I am not sure where the time all went, but now the end was in sight. Hoping to maximize my final day, I arranged for a packed lunch and planned for an earlier breakfast so that I could hit the trails ahead...
Asterisk
Mysticism & Empiricism
The best way to predict if you’ll benefit from psychedelic therapy is a questionnaire asking if...
a year ago
The best way to predict if you’ll benefit from psychedelic therapy is a questionnaire asking if you’ve met God. Where did it come from, and what is it really measuring?
Explorations of an...
Tour Extension to Halmahera In The North Moluccas
Del and Marcie joined me for a four-day extension to the nearby island of Halmahera, located in the...
a year ago
Del and Marcie joined me for a four-day extension to the nearby island of Halmahera, located in the North Moluccas. We were now on the east side of the deep-water trench informally known as Weber’s Line and the avifauna was even more in line with New Guinea and Australia....
Blog - Practical...
Was Starship’s Stage Zero a Bad Pad?
[Note that this article is a transcript of the video embedded above.]
On April 20, 2023, SpaceX...
a year ago
[Note that this article is a transcript of the video embedded above.]
On April 20, 2023, SpaceX launched it’s first orbital test flight of its Starship spacecraft from Boca Chica on the gulf coast of Texas. You probably saw this, if not live, at least in the stunning videos that...
Wanderingspace
Neptune from the James Webb Space Telescope
Webb’s latest image is the clearest look at Neptune's rings in 30+ years, and our first time seeing...
over a year ago
Webb’s latest image is the clearest look at Neptune's rings in 30+ years, and our first time seeing them in infrared light. Take in Webb's ghostly, ethereal views of the planet and its dust bands, rings and moons: https://go.nasa.gov/3RXxoGq #IAC2022
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...
NeuroLogica Blog
AI-Fueled Scams
Digital life is getting more dangerous. Literally every day I have to fend off attempts at scamming...
7 months ago
Digital life is getting more dangerous. Literally every day I have to fend off attempts at scamming me in one way or another. I get texts trying to lure me into responding. I get e-mails hoping I will click a malicious link on a reflex. I get phone calls from people warning me...
Uncharted...
Wind and Solar, a Perfect Match
Also, why solar will beat wind, why they are so complementary, the nuclear renaissance, the poor...
a month ago
Also, why solar will beat wind, why they are so complementary, the nuclear renaissance, the poor state of German energy, and more.
The Roots of...
Who regulates the regulators?
IRBs
Scott Alexander reviews a book about institutional review boards (IRBs), the panels that review...
a year ago
IRBs
Scott Alexander reviews a book about institutional review boards (IRBs), the panels that review the ethics of medical trials: From Oversight to Overkill, by Dr. Simon Whitney. From the title alone, you can see where this is going.
IRBs are supposed to (among other things)...
Explorations of an...
Monsoon Season In Arizona, Part 1: Introduction, Phoenix to Miller Canyon
Earlier this summer, Laura and I were trying to determine where we would visit for a couple of mini...
3 months ago
Earlier this summer, Laura and I were trying to determine where we would visit for a couple of mini vacations. Due to the variations in her work schedule, Laura had two blocks of time - a five-day chunk in early August, and six days in early September - and we wanted to make the...
Tikalon Blog by Dev...
Baseball Mud
A manufactured baseball has a smooth surface with very little friction, and this makes it hard for a...
6 months ago
A manufactured baseball has a smooth surface with very little friction, and this makes it hard for a baseball pitcher to throw with great accuracy. Pitchers in the early days of baseball enhanced the friction by several ad hoc techniques that included rubbing with tobacco juice...
Out-of-Pocket Blog
Big Changes Coming | Out-Of-Pocket
What's temporary vs. permanent?
a year ago
What's temporary vs. permanent?
Out-of-Pocket Blog
Licensing and Credentialing Nonsense with Assured | Out-Of-Pocket
a month ago
Blog - Practical...
Why Bridges Need Sensors (and other structures too)
[Note that this article is a transcript of the video embedded above.]
Almost immediately after I...
a year ago
[Note that this article is a transcript of the video embedded above.]
Almost immediately after I started making videos about engineering, people started asking me to play video games on the channel. Apparently there’s roughly a billion people who watch online gaming these days,...
Explorations of an...
A Quest Nature Tours Adventure To Sulawesi
The island of Sulawesi must be on the bucket list for any naturalist with a strong interest in...
a year ago
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 significantly...
nanoscale views
Generative AI and scientific images/diagrams
Generative AI for image generation is a controversial topic for many reasons. Still, as someone who...
11 months ago
Generative AI for image generation is a controversial topic for many reasons. Still, as someone who doesn't have a staff of graphic artists on hand to help make scientific illustrations, it has certainly been tempting to see whether it might be a useful tool. My brief...
Quantum Frontiers
Announcing the quantum-steampunk creative-writing course!
Why not run a quantum-steampunk creative-writing course? Quantum steampunk, as Quantum Frontiers...
3 months ago
Why not run a quantum-steampunk creative-writing course? Quantum steampunk, as Quantum Frontiers regulars know, is the aesthetic and spirit of a growing scientific field. Steampunk is a subgenre of science fiction. In it, futuristic technologies invade Victorian-era settings:...
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...
Asterisk
The Wrong Kind of City?
How much can the way cities grow tell us about the economic trajectory of their countries? According...
3 months ago
How much can the way cities grow tell us about the economic trajectory of their countries? According to the father of modern sociology, quite a lot.
Explorations of an...
A Quest Nature Tour Of Jamaica
The Caribbean island of Jamaica is a naturalist’s paradise. Situated south of eastern Cuba, east of...
8 months ago
The Caribbean island of Jamaica is a naturalist’s paradise. Situated south of eastern Cuba, east of Honduras and north of Colombia, Jamaica has an interesting assemblage of species with different origins. Jamaica was never connected to the mainland throughout its long geological...
Quantum Frontiers
The rain in Portugal
My husband taught me how to pronounce the name of the city where I’d be presenting a talk late last...
10 months ago
My husband taught me how to pronounce the name of the city where I’d be presenting a talk late last July: Aveiro, Portugal. Having studied Spanish, I pronounced the name as Ah-VEH-roh, with a v partway to a hard b. … Continue reading →
Math Is Still...
Cells Across the Tree of Life Exchange ‘Text Messages’ Using RNA
Cells across the tree of life can swap short-lived messages encoded by RNA — missives that resemble...
3 months ago
Cells across the tree of life can swap short-lived messages encoded by RNA — missives that resemble a quick text rather than a formal memo on letterhead.
The post Cells Across the Tree of Life Exchange ‘Text Messages’ Using RNA first appeared on Quanta Magazine
wadertales
What happens when the mud disappears?
The Yellow Sea provides important ‘service stations’ for shorebirds on the East Asian-Australasian...
over a year ago
The Yellow Sea provides important ‘service stations’ for shorebirds on the East Asian-Australasian Flyway, especially on their way north to Russian and Alaskan breeding areas. In a thought-provoking paper in Biological Conservation, Xiaodan Wang and colleagues consider how...
Out-of-Pocket Blog
Answers: How should physicians get paid? | Out-Of-Pocket
What is a "fair amount" for a physician to get paid?
a year ago
What is a "fair amount" for a physician to get paid?
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.
NeuroLogica Blog
A Greener Li-Ion Battery
It is increasingly obvious that battery technology is one of the keys to transitioning our...
6 months ago
It is increasingly obvious that battery technology is one of the keys to transitioning our civilization away from burning fossil fuels. Batteries facilitate the use of cheap, green, but intermittent energy sources. They also allow for the electrification of technology sectors...
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.
Marine Madness
Book Club: ‘Sea People: The Puzzle of Polynesia’ by Christina Thompson
Who first settled the islands of the remote Pacific? Where did they come from? How did they get...
over a year ago
Who first settled the islands of the remote Pacific? Where did they come from? How did they get there, and how do we know? The answers to these and more questions are all explored in this mesmerizing novel by Pacific historian Christina Thompson. For over a millennium,...
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
Some Battery News
I have been following battery technology pretty closely, as this is a key technology for the...
a year ago
I have been following battery technology pretty closely, as this is a key technology for the transition to green energy. The most obvious application is in battery electric vehicles (BEVs). The second most obvious application is in grid storage. But also there are all the...
Melting Asphalt
Here Be Sermons
I've long turned up my nose at sermons and related forms of mass moralizing. One reason, quite...
over a year ago
I've long turned up my nose at sermons and related forms of mass moralizing. One reason, quite simply, is that they bore me. Honesty good. Violence bad. My eyes glaze over. Empathy, rah! Racism, boo! Please, don't we know this…
Read more ›
pcloadletter
My articles don't belong on certain social networks
I write this blog because I enjoy writing. Some people enjoy reading what I write, which makes me...
6 months ago
I write this blog because I enjoy writing. Some people enjoy reading what I write, which makes me feel really great!
Recently, I took down a post and stopped writing for a few months because I didn't love the reaction I was getting on social media sites like Reddit and Hacker...
Math Is Still...
Inside Scientists’ Life-Saving Prediction of the Iceland Eruption
The Reykjanes Peninsula has entered a new volcanic era. Innovative efforts to map and monitor the...
10 months ago
The Reykjanes Peninsula has entered a new volcanic era. Innovative efforts to map and monitor the subterranean magma are saving lives.
The post Inside Scientists’ Life-Saving Prediction of the Iceland Eruption first appeared on Quanta Magazine
Out-of-Pocket Blog
The Ins-and-Outs of Cancer Care Navigators With Laura Stratte | Out-Of-Pocket
What are cancer care navigators and what issues do they face?
a year ago
What are cancer care navigators and what issues do they face?
NeuroLogica Blog
Using Genetic Engineering To Fight Malaria
Despite robust efforts to fight it, malaria remains one of the most significant infectious diseases...
a year ago
Despite robust efforts to fight it, malaria remains one of the most significant infectious diseases affecting humans. According to UNICEF – ” In 2021, there were 247 million malaria cases globally that led to 619,000 deaths in total. Of these deaths, 77 per cent were children...
Wanderingspace
Webb’s Jupiter
So this is “false color” becuase it is infrared (like all Webb images) and made from only two...
over a year ago
So this is “false color” becuase it is infrared (like all Webb images) and made from only two filters orange and cyan. However, the detail is incredible. That dot is tiny Amalthea at the left and— yes… that is Jupiter’s elusive ring. According to researcher Thierry Fouchet, “This...
Math Is Still...
How the Human Brain Contends With the Strangeness of Zero
Zero, which was invented late in history, is special among numbers. New studies are uncovering how...
2 months ago
Zero, which was invented late in history, is special among numbers. New studies are uncovering how the brain creates something out of nothing.
The post How the Human Brain Contends With the Strangeness of Zero first appeared on Quanta Magazine
Math Is Still...
The Unraveling of Space-Time
This special issue of Quanta Magazine explores the ultimate scientific quest: the search for the...
2 months ago
This special issue of Quanta Magazine explores the ultimate scientific quest: the search for the fundamental nature of reality.
The post The Unraveling of Space-Time first appeared on Quanta Magazine
Blog - Practical...
How Bridge Engineers Design Against Ship Collisions
[Note that this article is a transcript of the video embedded above.]
On March 26, 2024 (just a few...
7 months ago
[Note that this article is a transcript of the video embedded above.]
On March 26, 2024 (just a few weeks ago, if you're watching this as it comes out), a large container ship struck one of the main support piers of the Francis Scott Key Bridge in Baltimore, Maryland, collapsing...
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...
How Our Longest Nerve Orchestrates the Mind-Body Connection
Like a highway system, the vagus nerve branches profusely from your brain through your organs to...
3 months ago
Like a highway system, the vagus nerve branches profusely from your brain through your organs to marshal bodily functions, including aspects of mind such as mood, pleasure and fear.
The post How Our Longest Nerve Orchestrates the Mind-Body Connection first appeared on...
Math Is Still...
Mathematicians Solve Long-Standing Coloring Problem
A new result shows how much of the plane can be colored by points that are never exactly one unit...
a year ago
A new result shows how much of the plane can be colored by points that are never exactly one unit apart.
The post Mathematicians Solve Long-Standing Coloring Problem first appeared on Quanta Magazine
Math Is Still...
Geometers Engineer New Tools to Wrangle Spacecraft Orbits
Mathematicians think abstract tools from a field called symplectic geometry might help with planning...
8 months ago
Mathematicians think abstract tools from a field called symplectic geometry might help with planning missions to far-off moons and planets.
The post Geometers Engineer New Tools to Wrangle Spacecraft Orbits first appeared on Quanta Magazine
Out-of-Pocket Blog
How To (Properly) Text Patients | Out-Of-Pocket
Do’s and don’ts + tactical tips from an actual doctor
8 months ago
Do’s and don’ts + tactical tips from an actual doctor
NeuroLogica Blog
A Bit of Energy Pseudoscience
Remember the 1980 film, The Formula? Probably not, because it was a mediocre film that did not age...
a year ago
Remember the 1980 film, The Formula? Probably not, because it was a mediocre film that did not age well. The basic plot is that Nazi chemists during WWII developed a formula for synthetic gasoline. A detective investigating a murder gets embroiled in a conspiracy to cover up the...
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.
The Works in...
The asbestos times
How asbestos saved cities, before we realized its risks
11 months ago
How asbestos saved cities, before we realized its risks
NeuroLogica Blog
Accusation of Mental Illness as a Political Strategy
I am not the first to say this but it bears repeating – it is wrong to use the accusation of a...
3 months ago
I am not the first to say this but it bears repeating – it is wrong to use the accusation of a mental illness as a political strategy. It is unfair, stigmatizing, and dismissive. Thomas Szasz (let me say straight up – I am not a Szaszian) was a psychiatrist who made it his...
nanoscale views
The wormhole kerfuffle, ER=EPR, and all that
I was busy trying to finish off a grant proposal and paper revisions this week and didn't have the...
over a year ago
I was busy trying to finish off a grant proposal and paper revisions this week and didn't have the time to react in realtime to the PR onslaught surrounding the recent Nature paper by a team from Harvard, MIT, Fermilab, and Google. There are many places to get caught up on this,...
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
Beyond Staple Grains
The Green Revolution saved a billion lives, but it left a legacy of homogenous diets and distorted...
a year ago
The Green Revolution saved a billion lives, but it left a legacy of homogenous diets and distorted agricultural markets. What impact has this had on global health — and how can we move forward?
NeuroLogica Blog
Spider-Man’s Web Shooter
I have to admit that my favorite superhero as a kid, and still today, is Spider-Man (and yes, that’s...
2 months ago
I have to admit that my favorite superhero as a kid, and still today, is Spider-Man (and yes, that’s the correct spelling). There are a number of narrative reasons for this that I grew to appreciate more as I aged. First, Spider-Man is in the sweet spot of super abilities – he is...
Math Is Still...
A Mutation Turned Ants Into Parasites in One Generation
A new genetics study of ant “social parasites” shows how complex sets of features can emerge rapidly...
a year ago
A new genetics study of ant “social parasites” shows how complex sets of features can emerge rapidly and potentially split species.
The post A Mutation Turned Ants Into Parasites in One Generation first appeared on Quanta Magazine
Math Is Still...
Mathematicians Prove Hawking Wrong About the Most Extreme Black Holes
For decades, extremal black holes were considered mathematically impossible. A new proof reveals...
4 months ago
For decades, extremal black holes were considered mathematically impossible. A new proof reveals otherwise.
The post Mathematicians Prove Hawking Wrong About the Most Extreme Black Holes first appeared on Quanta Magazine
nanoscale views
The problems and opportunities of data
We live in a world of "big data", and this presents a number of challenges for how we handle this at...
a year ago
We live in a world of "big data", and this presents a number of challenges for how we handle this at research universities. Until relatively recently, the domain of huge volume/huge throughput scientific data was chiefly that of the nuclear/particle physics community and then...
Math Is Still...
Do We Need a New Theory of Gravity?
Since Newton had his initial revelation about gravity, our understanding of this fundamental concept...
3 months ago
Since Newton had his initial revelation about gravity, our understanding of this fundamental concept has evolved in unexpected ways. In this week’s episode, theoretical physicist Claudia de Rham and co-host Janna Levin discuss the ways our current understanding of gravity needs...
Math Is Still...
Cryptographers Solve Decades-Old Privacy Problem
Three researchers have found a long-sought way to pull information from large databases secretly,...
a year ago
Three researchers have found a long-sought way to pull information from large databases secretly, moving us closer to fully private internet searches.
The post Cryptographers Solve Decades-Old Privacy Problem first appeared on Quanta Magazine
The Works in...
How to start an advance market commitment
A practical guide from the founders of Frontier
6 months ago
A practical guide from the founders of Frontier
Math Is Still...
The Cryptographer Who Ensures We Can Trust Our Computers
Yael Tauman Kalai’s breakthroughs secure our digital world, from cloud computing to our quantum...
a year ago
Yael Tauman Kalai’s breakthroughs secure our digital world, from cloud computing to our quantum future.
The post The Cryptographer Who Ensures We Can Trust Our Computers first appeared on Quanta Magazine
IEEE Spectrum
Edith Clarke: Architect of Modern Power Distribution
Edith Clarke was a powerhouse in practically every sense of the word. From the start of her career...
5 months ago
Edith Clarke was a powerhouse in practically every sense of the word. From the start of her career at General Electric in 1922, she was determined to develop stable, more reliable power grids.
During her first years at GE she invented what came to be known as the Clarke...
Math Is Still...
Cryptography Tricks Make a Hard Problem a Little Easier
Researchers have shown how to find the simplest description of a data set faster than by simply ...
8 months ago
Researchers have shown how to find the simplest description of a data set faster than by simply checking every possibility.
The post Cryptography Tricks Make a Hard Problem a Little Easier first appeared on Quanta Magazine
NeuroLogica Blog
What to Make of Havana Syndrome
I have not written before about Havana Syndrome, mostly because I have not been able to come to any...
8 months ago
I have not written before about Havana Syndrome, mostly because I have not been able to come to any strong conclusions about it. In 2016 there was a cluster of strange neurological symptoms among people working at the US Embassy in Havana, Cuba. They would suddenly experience...
The Works in...
Should you infect yourself with Zika?
What life is like in a challenge trial
8 months ago
What life is like in a challenge trial
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...
Asterisk
How Long Til We’re All on Ozempic?
Over 100 million Americans, and possibly many more, could benefit from GLP-1 drugs. When can they...
5 months ago
Over 100 million Americans, and possibly many more, could benefit from GLP-1 drugs. When can they expect to get them?
Math Is Still...
Some Neural Networks Learn Language Like Humans
Researchers uncover striking parallels in the ways that humans and machine learning models acquire...
a year ago
Researchers uncover striking parallels in the ways that humans and machine learning models acquire language skills.
The post Some Neural Networks Learn Language Like Humans first appeared on Quanta Magazine
nanoscale views
Experimental techniques: bridge measurements
When we teach undergraduates about materials and measuring electrical resistance, we tend to gloss...
4 months ago
When we teach undergraduates about materials and measuring electrical resistance, we tend to gloss over the fact that there are specialized techniques for this - it's more than just hooking up a battery and an ammeter. If you want to get high precision results, such as measuring...
Probably...
Logarithms and Heteroskedasticity
Here’s another installment in Data Q&A: Answering the real questions with Python. Previous...
7 months ago
Here’s another installment in Data Q&A: Answering the real questions with Python. Previous installments are available from the Data Q&A landing page. log_heterosked Logarithms and heteroskedasticity¶ Here’s a question from the Reddit statistics forum. Is it correct to use...
symmetry magazine
Applications of quantum mechanics at the beach
How does sunscreen work on the atomic level?
a year ago
How does sunscreen work on the atomic level?
Math Is Still...
Can Space-Time Be Saved?
Curious connections between physics and math suggest to Latham Boyle that space-time may survive the...
2 months ago
Curious connections between physics and math suggest to Latham Boyle that space-time may survive the jump to the next theory of reality.
The post Can Space-Time Be Saved? first appeared on Quanta Magazine
nanoscale views
2024 version: Advice on choosing a graduate school
It's been four years since I posted the previous version of this, so it feels like the time is right...
10 months ago
It's been four years since I posted the previous version of this, so it feels like the time is right for an update.
This is written on the assumption that you have already decided, after careful consideration, that you want to get an advanced degree (in physics, though much of...
Confessions of a...
Reflections of a postgrad lecturer-in-training: Part 1
In a previous post, I mentioned that I was beginning a stint as postgraduate teaching intern at UWA,...
over a year ago
In a previous post, I mentioned that I was beginning a stint as postgraduate teaching intern at UWA, and that part of the internship involved keeping a reflective journal. So I’ve decided that instead of merely writing down my thoughts (and possibly becoming lazy about it as the...
Uncharted...
Where Geniuses Hide Today
Where are today’s Michelangelos?
2 weeks ago
Where are today’s Michelangelos?
Drew Ex Machina
The Largest Launch Vehicles in Service – 1957 to the Present
With the successful launch of NASA’s Artemis I test flight, we now have a new holder of the title...
over a year ago
With the successful launch of NASA’s Artemis I test flight, we now have a new holder of the title “the largest launch vehicle in service”: the […]
NeuroLogica Blog
The Social Media Dilemma
Australia is planning a total ban on social media for children under 16 years old. Prime Minister...
a month ago
Australia is planning a total ban on social media for children under 16 years old. Prime Minister Anthony Albanese argues that it is the only way to protect vulnerable children from the demonstrable harm that social media can do. This has sparked another round of debates about...
The Works in...
The San Diego infinite housing glitch
How a bonus ADU program allows 'granny towers' in gardens
2 months ago
How a bonus ADU program allows 'granny towers' in gardens
Math Is Still...
Rogue Worlds Throw Planetary Ideas Out of Orbit
Scientists have recently discovered scores of free-floating worlds that defy classification. The new...
a year ago
Scientists have recently discovered scores of free-floating worlds that defy classification. The new observations have forced them to rethink their theories of star and planet formation.
The post Rogue Worlds Throw Planetary Ideas Out of Orbit first appeared on Quanta...
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
Beautiful Public...
Government Comic Books
Government comics have taught Americans how to prevent forest fires, survive a nuclear blast, and...
a year ago
Government comics have taught Americans how to prevent forest fires, survive a nuclear blast, and how soldiers should handle homosexuality in the military.
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
Beautiful Public...
Visualizing Ship Movements with AIS Data
Explore the beautiful, intricate paths of ships over a year—tracked from America's busiest ports to...
3 months ago
Explore the beautiful, intricate paths of ships over a year—tracked from America's busiest ports to the open ocean via AIS marine tracking data.
Math Is Still...
With Fifth Busy Beaver, Researchers Approach Computation’s Limits
After decades of uncertainty, a motley team of programmers has proved precisely how complicated...
5 months ago
After decades of uncertainty, a motley team of programmers has proved precisely how complicated simple computer programs can get.
The post With Fifth Busy Beaver, Researchers Approach Computation’s Limits first appeared on Quanta Magazine
Beautiful Public...
Visualizing Rivers and Floodplains with USGS Data
Using USGS elevation data to visualize stunning views of the flow of water through rivers and...
over a year ago
Using USGS elevation data to visualize stunning views of the flow of water through rivers and floodplains.
Math Is Still...
New AI Tools Predict How Life’s Building Blocks Assemble
Google DeepMind’s AlphaFold3 and other deep learning algorithms can now predict the shapes of...
7 months ago
Google DeepMind’s AlphaFold3 and other deep learning algorithms can now predict the shapes of interacting complexes of protein, DNA, RNA and other molecules, better capturing cells’ biological landscapes.
The post New AI Tools Predict How Life’s Building Blocks...
wadertales
When mates behave differently
Iceland’s 40,000 Oystercatchers are an interesting mix of resident birds and migrants, providing an...
over a year ago
Iceland’s 40,000 Oystercatchers are an interesting mix of resident birds and migrants, providing an ideal system in which to study the costs and benefits of the two options, and to try to work out what influences whether an individual becomes a ‘resident’ or a ‘migrant’. I’ve...
NeuroLogica Blog
AI Companions – Good or Bad?
Often times the answer to a binary question is “yes”. Is artificial intelligence (AI) a powerful and...
5 months ago
Often times the answer to a binary question is “yes”. Is artificial intelligence (AI) a powerful and quickly advancing tool or is it overhyped? Yes. Are opiates useful medicines or dangerous drugs? Yes. Is Elon Musk a technological visionary or an eccentric opportunist? This is...
NeuroLogica Blog
Some Future Tech Possibilities
It’s difficult to pick winners and losers in the future tech game. In reality you just have to see...
10 months ago
It’s difficult to pick winners and losers in the future tech game. In reality you just have to see what happens when you try out a new technology in the real world with actual people. Many technologies that look good on paper run into logistical problems, difficulty scaling, fall...
Probably...
Download the World in Data
Our World in Data recently announced that they are providing APIs to access their data....
4 weeks ago
Our World in Data recently announced that they are providing APIs to access their data. Coincidentally, I am using one of their datasets in my workshop on time series analysis at PyData Global 2024. So I took this opportunity to update my example using the new API – this notebook...
Blog - Practical...
What’s the Deal with Base Plates?
[Note that this article is a transcript of the video embedded above.]
A lot of engineering focuses...
2 weeks ago
[Note that this article is a transcript of the video embedded above.]
A lot of engineering focuses on structural members. How wide is this beam? How tall is this column? But some of the most important engineering decisions are in how to connect those members together. Take a...
Math Is Still...
Math’s ‘Game of Life’ Reveals Long-Sought Repeating Patterns
John Conway’s Game of Life, a famous cellular automaton, has been found to have periodic patterns of...
11 months ago
John Conway’s Game of Life, a famous cellular automaton, has been found to have periodic patterns of every possible length.
The post Math’s ‘Game of Life’ Reveals Long-Sought Repeating Patterns first appeared on Quanta Magazine
Uncharted...
Deserts, Tornadoes, Hurricanes, Snow, Paradises, Swamps: Why Do People Live Where They Live in the...
Deserts, Tornadoes, Hurricanes, Snow, Paradises, Swamps
2 days ago
Deserts, Tornadoes, Hurricanes, Snow, Paradises, Swamps
Asterisk
Between the Lines: A History of the Most Important Concept in Global Poverty
The global poverty line helps determine how billions of dollars in aid are allocated. But where did...
a year ago
The global poverty line helps determine how billions of dollars in aid are allocated. But where did the idea of measuring poverty come from — and how might it be holding us back?
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...
Math Is Still...
The AI Pioneer With Provocative Plans for Humanity
While some fret about technology’s social impacts, Raj Reddy still believes in the power of...
2 weeks ago
While some fret about technology’s social impacts, Raj Reddy still believes in the power of artificial intelligence to improve lives.
The post The AI Pioneer With Provocative Plans for Humanity first appeared on Quanta Magazine
Damn Interesting
The Unceasing Cessna Hacienda
Warren “Doc” Bayley was a man of the people. When he and his wife Judy opened their Las Vegas resort...
over a year ago
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 Roots of...
What I’ve been reading, March 2023
A new monthly feature, let me know what you think.
Books
Matt Ridley, How Innovation Works (2020)....
a year ago
A new monthly feature, let me know what you think.
Books
Matt Ridley, How Innovation Works (2020). About halfway through, lots of interesting case studies, very readable.
Vaclav Smil, Creating the Twentieth Century (2005). I read the first chapter; saving the rest of it for when...
Math Is Still...
An Old Conjecture Falls, Making Spheres a Lot More Complicated
The telescope conjecture gave mathematicians a handle on ways to map one sphere to another. Now that...
a year ago
The telescope conjecture gave mathematicians a handle on ways to map one sphere to another. Now that it has been disproved, the universe of shapes has exploded.
The post An Old Conjecture Falls, Making Spheres a Lot More Complicated first appeared on Quanta Magazine
Damn Interesting
The Ancient Order of Bali
In the 1970s, the Indonesian island of Bali went through a period of rapid change. Along the...
a year ago
In the 1970s, the Indonesian island of Bali went through a period of rapid change. Along the stunning beaches on the southern side of the island, tourism boomed. Parking lots were put up, together with swinging hot spots and hotels of various colours. Hip young travellers from...
Interaction Magic -...
Podcast: Designed for life
A deep dive into my career and the future of experience prototyping with Tony Ryan, CEO of Design &...
over a year ago
A deep dive into my career and the future of experience prototyping with Tony Ryan, CEO of Design & Technology Association.
Math Is Still...
A Multitalented Scientist Seeks the Origins of Multicellularity
The pathbreaking geneticist Cassandra Extavour pursues the secrets of multicellular life while...
10 months ago
The pathbreaking geneticist Cassandra Extavour pursues the secrets of multicellular life while balancing careers in both science and singing.
The post A Multitalented Scientist Seeks the Origins of Multicellularity first appeared on Quanta Magazine
NeuroLogica Blog
Dog Soundboards
I am a lifelong dog owner, and like many dog owners am often impressed with how smart my dogs have...
3 months ago
I am a lifelong dog owner, and like many dog owners am often impressed with how smart my dogs have been. They pick up on subtle body language and non-verbal cues, they seem to understand specific words, and they are capable of successfully communicating their wants and desires....
The Works in...
Does higher density cause lower birth rates?
Assessing one recent claim that it does
7 months ago
Assessing one recent claim that it does
Math Is Still...
Scientists Find Optimal Balance of Data Storage and Time
Seventy years after the invention of a data structure called a hash table, theoreticians have found...
10 months ago
Seventy years after the invention of a data structure called a hash table, theoreticians have found the most efficient possible configuration for it.
The post Scientists Find Optimal Balance of Data Storage and Time first appeared on Quanta Magazine
Out-of-Pocket Blog
Answers: How Much Info Should A Patient Get? | Out-Of-Pocket
do we need our physicians to be interpreters?
a year ago
do we need our physicians to be interpreters?
NeuroLogica Blog
Gradient Nanostructured Steel
Science fiction writers, who have to think deeply about the possible nature of future technology,...
a year ago
Science fiction writers, who have to think deeply about the possible nature of future technology, often invent new sci-fi materials in order to make their future technology seem plausible. They seem to understand the critical role that material science plays in advancing...
IEEE Spectrum
Ethernet is Still Going Strong After 50 Years
The Xerox Palo Alto Research Center in California has spawned many pioneering computer technologies...
a year ago
The Xerox Palo Alto Research Center in California has spawned many pioneering computer technologies including the Alto—the first personal computer to use a graphical user interface—and the first laser printer.
The PARC facility also is known for the invention of Ethernet, a...
NeuroLogica Blog
Evidence and the Nanny State Part II
In Part I of this post I outlined some basic considerations in deciding how much the state should...
a year ago
In Part I of this post I outlined some basic considerations in deciding how much the state should impose regulations on people and institutions in order to engineer positive outcomes. In the end the best approach, it seems to me, is a balanced one, where we consider the burden of...
Math Is Still...
The Cosmos Teems with Complex Organic Molecules
Wherever astronomers look, they see life’s raw materials.
The post The Cosmos Teems with...
a month ago
Wherever astronomers look, they see life’s raw materials.
The post The Cosmos Teems with Complex Organic Molecules first appeared on Quanta Magazine
Drew Ex Machina
Habitable Planet Reality Check: TOI-700e Discovered by NASA’s TESS Mission
During a press conference held on January 6, 2020 at the 235th meeting of the American Astronomical...
a year ago
During a press conference held on January 6, 2020 at the 235th meeting of the American Astronomical Society (AAS) in Honolulu, Emily Gilbert (then a graduate […]
Tikalon Blog by Dev...
Spiderweb Microphone
Microphones convert sound into an electrical signal for subsequent amplification, as in auditorium...
3 months ago
Microphones convert sound into an electrical signal for subsequent amplification, as in auditorium public address systems; or transmission, as in landline and mobile phones. The most common types of microphones are carbon, used in early telephones, condenser, electret, dynamic,...
brr
Redeployment Part One
Emerging from winter and preparing for our first flight!
11 months ago
Emerging from winter and preparing for our first flight!
Eukaryote Writes...
Carl Sagan, nuking the moon, and not nuking the moon
Most of us go about our lives comforted by the thought “I would never drop a nuclear weapon on the...
8 months ago
Most of us go about our lives comforted by the thought “I would never drop a nuclear weapon on the moon.” The truth is that given a lot of power, a nuclear weapon, and a lot of extremely specific circumstances, we too might find ourselves thinking “I should nuke the moon.”
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 $x \mapsto \max_{k \in K} f(k,x)$...
ToughSF
Inter-Orbital Kinetic Energy Exchanges: Part I
Electrical power can be transferred between planets using high velocity masses. Kinetic Energy...
over a year ago
Electrical power can be transferred between planets using high velocity masses. Kinetic Energy Exchanges are an efficient concept that can output more energy than it consumes and only gets better with distance.
Guest writer Zerraspace (Zach Hajj) works out the details and...
nanoscale views
What is a spin glass?
As mentioned previously, structural glasses are materials in which there is no periodic lattice (no...
a year ago
As mentioned previously, structural glasses are materials in which there is no periodic lattice (no long-range spatial order) and the building blocks get "stuck" in some configuration, kinetically unable to get to the true energetic minimum state which would almost certainly be a...
Math Is Still...
Flow Proof Helps Mathematicians Find Stability in Chaos
A series of new papers describes how to fully characterize key dynamical systems with relatively...
a year ago
A series of new papers describes how to fully characterize key dynamical systems with relatively little data.
The post Flow Proof Helps Mathematicians Find Stability in Chaos first appeared on Quanta Magazine
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...
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...
Out-of-Pocket Blog
Two new courses! And ~*fun*~ Out-Of-Pocket updates | Out-Of-Pocket
3 months ago
NeuroLogica Blog
An Earth-like Climate is Fragile
One of the biggest questions of exoplanet astronomy is how many potentially habitable planets are...
a year ago
One of the biggest questions of exoplanet astronomy is how many potentially habitable planets are out there in the galaxy. By one estimate the answer is 6 billion Earth-like planets in the Milky Way. But of course we have to set parameters and make estimates, so this number can...
Asterisk
Half A Million Kinksters Can’t Be Wrong
The story of how one independent researcher conducted the largest-ever survey on fetishes, and what...
a year ago
The story of how one independent researcher conducted the largest-ever survey on fetishes, and what it has to teach us about sex, pleasure, and social science methodology.
Drew Ex Machina
Accurate Characterization of 3D Winds Using Stereographic Observations from the Hurricane Hunter...
The teams at Tropical Weather Analytics (TWA) and Canada Weather Analytics (CWA), where this author...
10 months ago
The teams at Tropical Weather Analytics (TWA) and Canada Weather Analytics (CWA), where this author is the Chief Scientist, had the honor of having our abstract […]
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.
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?
Chris Grossack's...
Monoidal Monoidoidoids
So I was on the nlab the other day, and I saw a fantastic joke:
A 2-category is “just” a monoidal...
over a year ago
So I was on the nlab the other day, and I saw a fantastic joke:
A 2-category is “just” a monoidal monoidoidoid! Here’s a screenshot
in case the nlab page for 2-categories changes someday:
There’s a thing called the Category Theorist’s “Just”, which describes
the joy that many...
Out-of-Pocket Blog
Match Day and the Unmatched | Out-Of-Pocket
an underutilized workforce?
a year ago
an underutilized workforce?
IEEE Spectrum
How This Record Company Engineer Invented the CT Scanner
The inspiration for computed tomography (CT) came from a chance conversation that research engineer...
a year ago
The inspiration for computed tomography (CT) came from a chance conversation that research engineer Godfrey Hounsfield had with a doctor while on vacation in the 1960s. The physician complained that X-ray images of the brain were too grainy and only two-dimensional.
Hounsfield...
symmetry magazine
Vera C. Rubin Observatory brings the universe to everyone
The Rubin Observatory is making education and outreach a top priority.
a year ago
The Rubin Observatory is making education and outreach a top priority.
Chris Grossack's...
Preprint -- The RAAG Functor as a Categorical Embedding
After almost a year of sitting on my hard drive, I finally had time in
August to finish revising my...
a year ago
After almost a year of sitting on my hard drive, I finally had time in
August to finish revising my new preprint on
Right Angled Artin Groups (Raags). And in September I had time to put
it on the arxiv for people to see! Within 24 hours I had an email from
somebody who had...
Math Is Still...
Quanta Relaunches Hyperjumps Math Game
Explore a universe of numbers and arithmetic in our new and improved interactive math game,...
10 months ago
Explore a universe of numbers and arithmetic in our new and improved interactive math game, Hyperjumps!
The post Quanta Relaunches Hyperjumps Math Game first appeared on Quanta Magazine
brr
Showering at the South Pole
Potable water, and not much of it.
a year ago
Potable water, and not much of it.
Probably...
We Have a Book!
My copy of Probably Overthinking It has arrived! If you want a copy for yourself, you can get a 30%...
a year ago
My copy of Probably Overthinking It has arrived! If you want a copy for yourself, you can get a 30% discount if you order from the publisher and use the code UCPNEW. You can also order from Amazon or, if you want to support independent bookstores, from Bookshop.org. The official...
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...
Out-of-Pocket Blog
How Value-Based Care Contracting Works with Accorded | Out-Of-Pocket
With calculators and contracts you can see yourself
a year ago
With calculators and contracts you can see yourself
IEEE Spectrum
Who Really Invented the Rechargeable Lithium-Ion Battery?
Fifty years after the birth of the rechargeable lithium-ion battery, it’s easy to see its value....
a year ago
Fifty years after the birth of the rechargeable lithium-ion battery, it’s easy to see its value. It’s used in billions of laptops, cellphones, power tools, and cars. Global sales top US $45 billion a year, on their way to more than $100 billion in the coming decade.
The first...
Uncharted...
The Moral Case for More People on Earth
Today we’re going to cover four points that have emerged from the last few articles on growing our...
3 weeks ago
Today we’re going to cover four points that have emerged from the last few articles on growing our population, but which I haven’t covered yet:
NeuroLogica Blog
A Climate Debate Regarding Health Effects – Part III
Part 3 Hi Steve, and thank you for your timely response, and for even considering hosting this...
a year ago
Part 3 Hi Steve, and thank you for your timely response, and for even considering hosting this debate. There has been, and continues to be a “blackout” on almost all discussion regarding the science behind climate change. If “The science” is truly “settled”, it is a pretty shaky...
Chris Grossack's...
Talk -- What is Algebraic Geometry and Why Should You Care?
So an embarrassing amount of time ago (Feburary 17?) I gave a talk for the
undergraduate math club...
a year ago
So an embarrassing amount of time ago (Feburary 17?) I gave a talk for the
undergraduate math club titled
“What is Algebraic Geometry, and Why Should You Care?”. I think it went quite
well, and the audience seemed like they had a good time. I really wanted to
have the talk...
Math Is Still...
The Best Neighborhoods for Starting a Life in the Galaxy
Some neighborhoods in the Milky Way may be better suited for making habitable planets than others. ...
11 months ago
Some neighborhoods in the Milky Way may be better suited for making habitable planets than others.
The post The Best Neighborhoods for Starting a Life in the Galaxy first appeared on Quanta Magazine
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...
Quantum Frontiers
Quantum physics proposes a new way to study biology – and the results could revolutionize our...
By guest blogger Clarice D. Aiello, faculty at UCLA Imagine using your cellphone to control the...
a year ago
By guest blogger Clarice D. Aiello, faculty at UCLA Imagine using your cellphone to control the activity of your own cells to treat injuries and disease. It sounds like something from the imagination of an overly optimistic science fiction writer. … Continue reading →
Asterisk
Animal Welfare in the Anthropocene
Wild animals outnumber farmed animals by orders of magnitude. Are we obligated to help them? And...
a year ago
Wild animals outnumber farmed animals by orders of magnitude. Are we obligated to help them? And even if we wanted to, do we know how?
brr
Snowdrifts
4 days of blown snow into a doorway.
a year ago
4 days of blown snow into a doorway.
Drew Ex Machina
The Dream: The First Probe to the Moon
The past decade or so has seen a marked increase in interest to reach the Moon for exploration as...
11 months ago
The past decade or so has seen a marked increase in interest to reach the Moon for exploration as well as the potential exploitation of its […]
NeuroLogica Blog
AI Humor
It’s been less than two years (November 2022) since ChatGPT launched. In some ways the new large...
4 months ago
It’s been less than two years (November 2022) since ChatGPT launched. In some ways the new large language model (LLM) type of artificial intelligence (AI) applications have been on the steep part of the improvement curve. And yet, they are still LLMs with the same limitations. In...
Tikalon Blog by Dev...
Adornment
"Form follows function" is a maxim that an object's shape and appearance should be defined only by...
3 months ago
"Form follows function" is a maxim that an object's shape and appearance should be defined only by its purpose or function. A quick perusal of any antique shop will show that this maxim is generally ignored. Humans (Homo sapiens) have been called "naked apes," but we and our...
NeuroLogica Blog
The Clipper Europa Mission
I wrote earlier this week about the latest successful test of Starship and the capture of the Super...
2 months ago
I wrote earlier this week about the latest successful test of Starship and the capture of the Super Heavy booster by grabbing arms of the landing tower. This was quite a feat, but it should not eclipse what was perhaps even bigger space news this week – the launch of NASAs...
Blog - Practical...
Why Is Desalination So Difficult?
[Note that this article is a transcript of the video embedded above.]
This is the Carlsbad...
a year ago
[Note that this article is a transcript of the video embedded above.]
This is the Carlsbad Desalination Plant outside of San Diego, California. It produces roughly ten percent of the area’s fresh water, around 50 million gallons or 23,000 cubic meters per day. Unlike most...
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
Asterisk
The Myth of the Loneliness Epidemic
Are we really living through a uniquely lonely moment in American history? When it comes to...
a month ago
Are we really living through a uniquely lonely moment in American history? When it comes to friendship, this isn’t the first time that authorities have cried wolf.
nanoscale views
CHIPS and Science - the reality vs the aspiration
I already wrote about this issue here back in August, but I wanted to highlight a policy statement...
2 months ago
I already wrote about this issue here back in August, but I wanted to highlight a policy statement that I wrote with colleagues as part of Rice's Baker Institute's Election 2024: Policy Playbook, which "delivers nonpartisan, expert insights into key issues at stake on the 2024...
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...
NeuroLogica Blog
Should You Get a Heat Pump?
Starting around 1550 and lasting through the 1600s, England had an energy crisis. They were running...
a year ago
Starting around 1550 and lasting through the 1600s, England had an energy crisis. They were running out of wood, which was the main source of fuel for residential and commercial heating. England also needed a lot of wood for their massive navy – it took about 2,000 trees to build...
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,...
The Works in...
ARIA: Betting on science
An inside look at Britain's new DARPA
a year ago
An inside look at Britain's new DARPA
Explorations of an...
The End Of An Era - Reflections On Our Travels
(Written on April 23, 2023)
In just a few days time, Laura and I will board a jet bound for another...
a year ago
(Written on April 23, 2023)
In just a few days time, Laura and I will board a jet bound for another international destination. Our flight home to Toronto isn't that unique of a scenario, as we have flown on plenty of planes headed home since we began our international travels...
Math Is Still...
‘Quantum Memory’ Proves Exponentially Powerful
Researchers are exploring new ways that quantum computers will be able to reveal the secrets of...
2 months ago
Researchers are exploring new ways that quantum computers will be able to reveal the secrets of complex quantum systems.
The post ‘Quantum Memory’ Proves Exponentially Powerful first appeared on Quanta Magazine
Out-of-Pocket Blog
The Obstacles To Value-Based Care | Out-Of-Pocket
taking on risk is easier said than done
a year ago
taking on risk is easier said than done
Explorations of an...
A Quest Nature Tour To Borneo: Kota Kinabalu, Mount Kinabalu, Sepilok And The Kinabatangan River
Our Quest Nature Tours group assembled in Kota Kinabalu on the evening of October 3 and the...
a month ago
Our Quest Nature Tours group assembled in Kota Kinabalu on the evening of October 3 and the following morning we were off. Kota Kinabalu is situated on the coast, but is only a two hour drive from the mountains that form the spine of Borneo and its highest peak, Mount Kinabalu....
Math Is Still...
The Quest to Quantify Quantumness
What makes a quantum computer more powerful than a classical computer? It’s a surprisingly subtle...
a year ago
What makes a quantum computer more powerful than a classical computer? It’s a surprisingly subtle question that physicists are still grappling with, decades into the quantum age.
The post The Quest to Quantify Quantumness first appeared on Quanta Magazine
Math Is Still...
A Plan to Address the World’s Challenges With Math
Minhyong Kim is leading a new initiative called Mathematics for Humanity that encourages...
a year ago
Minhyong Kim is leading a new initiative called Mathematics for Humanity that encourages mathematicians to apply their skills to solving social problems.
The post A Plan to Address the World’s Challenges With Math first appeared on Quanta Magazine
The Roots of...
What I’ve been reading, July–August 2023
A quasi-monthly feature (I skipped it last month, so this is a double portion).
This is a longish...
a year ago
A quasi-monthly feature (I skipped it last month, so this is a double portion).
This is a longish post covering many topics; feel free to skim and skip around. Recent blog posts and news stories are generally omitted; you can find them in my links digests.
These updates are less...
NeuroLogica Blog
Evolution and Copy-Paste Errors
Evolution deniers (I know there is a spectrum, but generally speaking) are terrible scientists and...
8 months ago
Evolution deniers (I know there is a spectrum, but generally speaking) are terrible scientists and logicians. The obvious reason is because they are committing the primary mortal sin of pseudoscience – working backwards from a desired conclusion rather than following evidence and...
Math Is Still...
A New Experiment Casts Doubt on the Leading Theory of the Nucleus
By measuring inflated helium nuclei, physicists have challenged our best understanding of the force...
a year ago
By measuring inflated helium nuclei, physicists have challenged our best understanding of the force that binds protons and neutrons.
The post A New Experiment Casts Doubt on the Leading Theory of the Nucleus first appeared on Quanta Magazine
Cremieux Recueil
American Elections Are Unfair
Unfortunately, unfairness is baked in
a month ago
Unfortunately, unfairness is baked in
nanoscale views
Science and how it will be practiced in the future
I just registered for an event that celebrates the 35th anniversary of a particular science and...
a year ago
I just registered for an event that celebrates the 35th anniversary of a particular science and engineering program, and one question they posed was, to paraphrase, "Science has changed a lot in the last 35 years. Please make three predictions about science in the next 35...
NeuroLogica Blog
Wood Vaulting for Carbon Sequestration
I can’t resist a good science story involving technology that we can possibly use to stabilize our...
2 months ago
I can’t resist a good science story involving technology that we can possibly use to stabilize our climate in the face of anthropogenic global warming. This one is a fun story and an interesting, and potentially useful, idea. As we map out potential carbon pathways into the...
Out-of-Pocket Blog
Part 2: How To Build Patient Communities | Out-Of-Pocket
And my investments in Most Days + Little Otter
a year ago
And my investments in Most Days + Little Otter
Math Is Still...
How Is Flocking Like Computing?
Birds flock. Locusts swarm. Fish school. From chaotic assemblies of life, order somehow emerges. In...
8 months ago
Birds flock. Locusts swarm. Fish school. From chaotic assemblies of life, order somehow emerges. In this episode, co-host Steven Strogatz interviews the evolutionary ecologist Iain Couzin about how and why collective behaviors arise.
The post How Is Flocking Like...
Out-of-Pocket Blog
Why don’t healthcare companies say what they do? | Out-Of-Pocket
And some tips to figure out what a company does
a year ago
And some tips to figure out what a company does
NeuroLogica Blog
Concrete Battery
I know it’s only been a couple of weeks since I wrote about cement, but now I need to write about...
6 months ago
I know it’s only been a couple of weeks since I wrote about cement, but now I need to write about concrete, or potential version of concrete that is able to function as a battery. If we can get the technology to work this could an extremely useful item for a future of green...
Light from Space
The Fossil Footprint Nebula
A rarely imaged target as it is very dim. This image took me over 50h of total exposure time.
Total...
11 months ago
A rarely imaged target as it is very dim. This image took me over 50h of total exposure time.
Total exposure time: 52h 40'
Image resolution: 4,490 × 4,552px (0.96″/px)
Shot from my driveway near Tucson, AZ in late 2023
Telescope: William Optics RedCat
Math Is Still...
How America’s Fastest Swimmers Use Math to Win Gold
Number theorist Ken Ono is teaching Olympians to swim more efficiently.
The post How...
5 months ago
Number theorist Ken Ono is teaching Olympians to swim more efficiently.
The post How America’s Fastest Swimmers Use Math to Win Gold first appeared on Quanta Magazine
Asterisk
Rarely is the Question Asked: Is Our Children Learning?
Across the world, more students than ever are in school. But it’s not clear that they're learning...
3 weeks ago
Across the world, more students than ever are in school. But it’s not clear that they're learning more while there — or if that’s even the goal.
Chris Grossack's...
A Quick Application of Model Categories
Almost exactly a year ago (time flies!) I was thinking really hard about
model categories in...
a year ago
Almost exactly a year ago (time flies!) I was thinking really hard about
model categories in preparation for the HoTTEST summer school. I learned
a TON doing this, but I’ve just today seen a really nice (and somewhat concrete)
reason to care about the whole endeavor! I’d love...
Math Is Still...
Number of Distances Separating Points Has a New Bound
Mathematicians have struggled to prove Falconer’s Conjecture, a simple, but far-reaching, hypothesis...
8 months ago
Mathematicians have struggled to prove Falconer’s Conjecture, a simple, but far-reaching, hypothesis about the distances between points. They’re finally getting close.
The post Number of Distances Separating Points Has a New Bound first appeared on Quanta Magazine
Explorations of an...
Potrero de Yala - Dippers, Red-faced Guans And More
Laura and I were up early to make the most of our morning at Potrero de Yala. As dawn broke, we...
a year ago
Laura and I were up early to make the most of our morning at Potrero de Yala. As dawn broke, we slowly drove in along the entrance road, keeping an eye out for guans.
We found quite a few guans on and around the road but none were our hoped-for Red-faced Guans; they were all...
Beautiful Public...
Here’s All the Rocks We Hauled Back From the Moon
The 12 human beings who walked on the Moon collected, catalogued and returned 842 pounds of lunar...
a year ago
The 12 human beings who walked on the Moon collected, catalogued and returned 842 pounds of lunar rock and soil. Each sample has been meticulously documented in NASA's Lunar Sample Catalog.
Math Is Still...
The Physicist Who’s Challenging the Quantum Orthodoxy
For decades, physicists have struggled to develop a quantum theory of gravity. But what if gravity —...
a year ago
For decades, physicists have struggled to develop a quantum theory of gravity. But what if gravity — and space-time — are fundamentally classical?
The post The Physicist Who’s Challenging the Quantum Orthodoxy first appeared on Quanta Magazine
Blog - Practical...
HEAVY CONSTRUCTION of a Sewage Pump Station - Ep 4
This is the fourth episode of a five-part pilot series to gauge your interest in "How It's...
a year ago
This is the fourth episode of a five-part pilot series to gauge your interest in "How It's Made"-esque heavy construction videos. Drop a comment or send me an email to let me know what you think! Watch on YouTube above or ad-free on Nebula here.
Asterisk
California vs. Big Soda
Sugar-sweetened beverage taxes work. But during the time it took to figure this out, enacting them...
6 months ago
Sugar-sweetened beverage taxes work. But during the time it took to figure this out, enacting them became much harder.
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:...
Andrew Fraknoi –...
Coming Up: Einstein without Tears; Religion and Extraterrestrial Life
Two upcoming events that may be of interest to you (please pass on to others who may like them): The...
2 months ago
Two upcoming events that may be of interest to you (please pass on to others who may like them): The Osher Lifelong Learning Institute at San Francisco State Presents: A non-technical, 6-week class with Professor Andrew Fraknoi Einstein without Tears Tuesdays from 12:30 to 2:30...
Asterisk
A Chinese Internet Phrasebook
The latest slang on Weibo reveals a world of cynicism, ennui — and concrete pasta.
a month ago
The latest slang on Weibo reveals a world of cynicism, ennui — and concrete pasta.
Math Is Still...
A Close-Up View Reveals the ‘Melting’ Point of an Infinite Graph
Just as ice melts to water, graphs undergo phase transitions. Two mathematicians showed that they...
a year ago
Just as ice melts to water, graphs undergo phase transitions. Two mathematicians showed that they can pinpoint such transitions by examining only local structure.
The post A Close-Up View Reveals the ‘Melting’ Point of an Infinite Graph first appeared on Quanta...
IEEE Spectrum
The Rise and Fall of 3M’s Floppy Disk
A version of this post originally appeared on Tedium, Ernie Smith’s newsletter, which hunts for the...
8 months ago
A version of this post originally appeared on Tedium, Ernie Smith’s newsletter, which hunts for the end of the long tail.
if you look on 3M’s own website, you will see no mention of this legacy—it’s a firm that sells abrasive materials, adhesive tapes, filters, films, personal...
The Roots of...
The origins of the steam engine
This is a guest post written by Anton Howes and animated by Matt Brown of Extraordinary Facility....
a year ago
This is a guest post written by Anton Howes and animated by Matt Brown of Extraordinary Facility. This project was sponsored by The Roots of Progress, with funding generously provided by The Institute.
Steam power did not begin with the steam engine. Long before...
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...
‘A-Team’ of Math Proves a Critical Link Between Addition and Sets
A team of four prominent mathematicians, including two Fields medalists, proved a conjecture...
a year ago
A team of four prominent mathematicians, including two Fields medalists, proved a conjecture described as a “holy grail of additive combinatorics.”
The post ‘A-Team’ of Math Proves a Critical Link Between Addition and Sets first appeared on Quanta Magazine
Asterisk
Is Wine Fake?
Wine commands wealth, prestige, and attention from aficionados. How much of what they admire is in...
over a year ago
Wine commands wealth, prestige, and attention from aficionados. How much of what they admire is in their heads?
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)...
Drew Ex Machina
USAF Project Able-1: The First Attempt to Reach the Moon
In the years leading up to the beginning of the Space Age, there were many studies made in the West...
over a year ago
In the years leading up to the beginning of the Space Age, there were many studies made in the West about lunar missions which gripped the […]
Math Is Still...
The Year in Physics
From the smallest scales to the largest, the physical world provided no shortage of surprises this...
a year ago
From the smallest scales to the largest, the physical world provided no shortage of surprises this year.
The post The Year in Physics first appeared on Quanta Magazine
nanoscale views
Scientific travel
Particularly in these post-pandemic, climate-change-addled, zoom-enabled times, I appreciate the...
a year ago
Particularly in these post-pandemic, climate-change-addled, zoom-enabled times, I appreciate the argument that it's always worth asking, "Is this trip really necessary?" We are in the age of remote work and zoom seminars that are attended by people from all over the world. Is...
brr
McMurdo Postal Mail
How to mail things to and from Antarctica!
over a year ago
How to mail things to and from Antarctica!
brr
South Pole Arrival
Flying to the bottom of the world!
over a year ago
Flying to the bottom of the world!
NeuroLogica Blog
The Science of Gift Giving
There is a lot of social psychology out there providing information that can inform our everyday...
a year ago
There is a lot of social psychology out there providing information that can inform our everyday lives, and most people are completely unaware of the research. Richard Wiseman makes this point in his book, 59 Seconds – we actually have useful scientific information, and yet we...
NeuroLogica Blog
Eating Methane
Methane is the forgotten greenhouse gas (sort of). Often, when discussing how best to reduce...
a year ago
Methane is the forgotten greenhouse gas (sort of). Often, when discussing how best to reduce anthropogenic climate change, we talk about decarbonizing our electrical and transport sectors, and carbon removal. But methane is also a greenhouse gas, contributing to global warming,...
Math Is Still...
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...
Math Is Still...
The Electron Is So Round That It’s Ruling Out Potential New Particles
If the electron’s charge wasn’t perfectly round, it could reveal the existence of hidden particles....
a year ago
If the electron’s charge wasn’t perfectly round, it could reveal the existence of hidden particles. A new measurement approaches perfection.
The post The Electron Is So Round That It’s Ruling Out Potential New Particles first appeared on Quanta Magazine
Inverted Passion
Review of 2023
Time is strange – 2023 simultaneously felt too long and too short. It was short because I remember...
11 months ago
Time is strange – 2023 simultaneously felt too long and too short. It was short because I remember recently writing my 2022 review, and it was long because I ended up packing a lot of stuff into it. ✅ Train 5 days a week (including Mixed Martial Arts) I did manage to train 5...
Out-of-Pocket Blog
How Healthcare Payments Work with Candid Health | Out-Of-Pocket
A walkthrough of how money flows between payers and providers
a year ago
A walkthrough of how money flows between payers and providers
IEEE Spectrum
The Cold War Arms Race Over Prosthetic Arms
In 1961, Norbert Wiener, the father of cybernetics, broke his hip and wound up in Massachusetts...
a year ago
In 1961, Norbert Wiener, the father of cybernetics, broke his hip and wound up in Massachusetts General Hospital. Wiener’s bad luck turned into fruitful conversations with his orthopedic surgeon, Melvin Glimcher. Those talks in turn led to a collaboration and an invention: the...
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.
nanoscale views
APS March Meeting 2024, Day 4 and wrap-up
Because of the timing of my flight back to Houston, I really only went to one session today, in...
9 months ago
Because of the timing of my flight back to Houston, I really only went to one session today, in which my student spoke as did some collaborators. It was a pretty interesting collection of contributed talks.
The work that's been done on spin transport in multiferroic...
Tikalon Blog by Dev...
A.I., Wine, and Beer
There have been many studies using scientific instrumentation, mostly gas chromatography, in...
6 months ago
There have been many studies using scientific instrumentation, mostly gas chromatography, in attempts to find what distinguishes a superb wine from an inexpensive house wine. A typical wine can contain more than 800 different aroma compounds. One study examined two Australian...
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
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...
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....
Chris Grossack's...
Estimating a Difference of Products
Wow, it’s been a long time! Both since my last blog post, and since my last
quick analysis trick....
a year ago
Wow, it’s been a long time! Both since my last blog post, and since my last
quick analysis trick. But I’ve been itching to
write more blog posts lately, and I thought that something quick and easy like
this would be a good way to get back into it without the kind of effort...
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
Many Worlds
Many Worlds Archive is Available
I had the pleasure of reporting and writing the Many Worlds column — sponsored by NASA’s NExSS...
a year ago
I had the pleasure of reporting and writing the Many Worlds column — sponsored by NASA’s NExSS initiative and the Lunar & Planetary Institute — for almost eight years. But the run came to an end in October. Now an archive of the more than 400 columns is easily available at...
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...
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...
Math Is Still...
The Tiny Physics Behind Immense Cosmic Eruptions
A new theory describes how particle interactions fuel fast magnetic reconnection, the process behind...
a year ago
A new theory describes how particle interactions fuel fast magnetic reconnection, the process behind solar flares and other astrophysical jets.
The post The Tiny Physics Behind Immense Cosmic Eruptions first appeared on Quanta Magazine
Andrew Fraknoi –...
Perseid Meteor Shower Aug 12-13, 2023
We make suggestions for how best to see the 2023 Perseid meteor shower.
The post Perseid Meteor...
a year ago
We make suggestions for how best to see the 2023 Perseid meteor shower.
The post Perseid Meteor Shower Aug 12-13, 2023 appeared first on Andrew Fraknoi - Astronomy Lectures - Astronomy Education Resources.
NeuroLogica Blog
Confidently Wrong
How certain are you of anything that you believe? Do you even think about your confidence level, and...
2 months ago
How certain are you of anything that you believe? Do you even think about your confidence level, and do you have a process for determining what your confidence level should be or do you just follow your gut feelings? Thinking about confidence is a form of metacognition – thinking...
Out-of-Pocket Blog
Answers: Did The FDA Mess Up With Aduhelm? | Out-Of-Pocket
what if it incentivizes actually good drugs?
a year ago
what if it incentivizes actually good drugs?
Math Is Still...
Insects and Other Animals Have Consciousness, Experts Declare
A group of prominent biologists and philosophers announced a new consensus: There’s “a realistic...
8 months ago
A group of prominent biologists and philosophers announced a new consensus: There’s “a realistic possibility” that insects, octopuses, crustaceans, fish and other overlooked animals experience consciousness.
The post Insects and Other Animals Have Consciousness,...
NeuroLogica Blog
Finding Small Primordial Black Holes
Astrophysicists come up with a lot of whacky ideas, some of which actually turn out to be possibly...
2 weeks ago
Astrophysicists come up with a lot of whacky ideas, some of which actually turn out to be possibly true (like the Big Bang, black holes, accelerating cosmic expansion, dark matter). Of course, all of these conclusions are provisional, but some are now backed by compelling...
The Roots of...
What I’ve been reading, June 2023
A monthly feature. As usual, recent blog posts and news stories are omitted from this; you can find...
a year ago
A monthly feature. As usual, recent blog posts and news stories are omitted from this; you can find them in my links digests. In all quotes below, any emphasis in bold was added by me.
Books
Thomas S. Ashton, The Industrial Revolution, 1760–1830 (1948). A classic in the field,...
Beautiful Public...
The United States Frequency Allocation Chart
This crazy, beautiful chart illustrates the incredible complexity of managing one of our nation’s...
a year ago
This crazy, beautiful chart illustrates the incredible complexity of managing one of our nation’s most crucial – and invisible – national assets: the radio spectrum.
Probably...
Bertrand’s Boxes
An early draft of Probably Overthinking It included two chapters about probability. I still think...
7 months ago
An early draft of Probably Overthinking It included two chapters about probability. I still think they are interesting, but the other chapters are really about data, and the examples in these chapters are more like brain teasers — so I’ve saved them for another book. Here’s an...
NeuroLogica Blog
Gene Editing Chickens to Resist Bird Flu
There are 33 billion chickens in the world, mostly domestic species raised for egg-laying or meat....
a year ago
There are 33 billion chickens in the world, mostly domestic species raised for egg-laying or meat. They are a high efficiency source of high quality protein. It’s the kind of thing we need to do if we want to feed 8 billion people. Similarly we have planted 4.62 billion acres of...
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...
Math Is Still...
The Quest for Simple Rules to Build a Microbial Community
Microbiologists are searching for a universal theory of how bacteria form communities based not on...
11 months ago
Microbiologists are searching for a universal theory of how bacteria form communities based not on their species but on the roles they play.
The post The Quest for Simple Rules to Build a Microbial Community first appeared on Quanta Magazine
NeuroLogica Blog
Antarctic Sea Ice Hits Record Low
For decades scientists were confused by Antarctic sea ice. Climate models predict that it should be...
7 months ago
For decades scientists were confused by Antarctic sea ice. Climate models predict that it should be decreasing, and yet it has been steadily and slowly increasing. It also made for a great talking point for climate change deniers – superficially it seems like counter evidence to...
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?
Math Is Still...
Computation Is All Around Us, and You Can See It if You Try
Computer scientist Lance Fortnow writes that by embracing the computations that surround us, we can...
6 months ago
Computer scientist Lance Fortnow writes that by embracing the computations that surround us, we can begin to understand and tame our seemingly random world.
The post Computation Is All Around Us, and You Can See It if You Try first appeared on Quanta Magazine
Math Is Still...
A New Map of the Universe, Painted With Cosmic Neutrinos
Physicists finally know where at least some of these high-energy particles come from, which helps...
a year ago
Physicists finally know where at least some of these high-energy particles come from, which helps make the neutrinos useful for exploring fundamental physics.
The post A New Map of the Universe, Painted With Cosmic Neutrinos first appeared on Quanta Magazine
The Works in...
Unending World
A foretaste of Ch. 11 of Stewart Brand’s Maintenance on Books in Progress
2 months ago
A foretaste of Ch. 11 of Stewart Brand’s Maintenance on Books in Progress
Asterisk
How Not To Predict The Future
Good forecasting thrives on a delicate balance of math, expertise, and…vibes.
9 months ago
Good forecasting thrives on a delicate balance of math, expertise, and…vibes.
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 […]
Asterisk
My Primal Scream of Rage: The Big Alcohol Study That Didn't Happen
Five years ago, the National Institutes of Health cancelled the largest study on alcohol ever...
a year ago
Five years ago, the National Institutes of Health cancelled the largest study on alcohol ever planned. Here’s why — and why you should be mad too.
Beautiful Public...
Highway Photologs
Highway departments all around the country had "photolog" programs, some dating back as early as...
over a year ago
Highway departments all around the country had "photolog" programs, some dating back as early as 1961. Each year, specially tricked out vans would drive each mile of state road snapping photos to document the status of roadways.
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...
NeuroLogica Blog
Reconductoring our Electrical Grid
Over the weekend when I was in Dallas for the eclipse, I ran into a local businessman who works in...
8 months ago
Over the weekend when I was in Dallas for the eclipse, I ran into a local businessman who works in the energy sector, mainly involved in new solar projects. This is not surprising as Texas is second only to California in solar installation. I asked him if he is experiencing a...
Many Worlds
The Familiar, Yet So Different, Hydrocarbon Rivers of Titan
There are three planets or moons in our solar system known to now have, or once had, surface rivers,...
a year ago
There are three planets or moons in our solar system known to now have, or once had, surface rivers, lakes, deltas and a hydrologic system. There’s Earth, of course, Mars long ago when it was warmer and wetter, and the so different yet so similar rivers of hydrocarbons on...
NeuroLogica Blog
Fake Fossils
In 1931 a fossil lizard was recovered from the Italian Alps, believed to be a 280 million year old...
10 months ago
In 1931 a fossil lizard was recovered from the Italian Alps, believed to be a 280 million year old specimen. The fossil was also rare in that it appeared to have some preserved soft tissue. It was given the species designation Tridentinosaurus antiquus and was thought to be part...
Cremieux Recueil
Food Deserts Are Not Real
They're more like bad habit neighborhoods
3 months ago
They're more like bad habit neighborhoods
Probably...
Testing Percentiles
Here’s another installment in Data Q&A: Answering the real questions with Python. Previous...
7 months ago
Here’s another installment in Data Q&A: Answering the real questions with Python. Previous installments are available from the Data Q&A landing page. test_percentile Testing percentiles¶ Here’s a question from the Reddit statistics forum. I have two different samples (about 100...
pcloadletter
Quality is a hard sell in big tech
I have noticed a trend in a handful of products I've worked on at big tech companies. I have friends...
10 months ago
I have noticed a trend in a handful of products I've worked on at big tech companies. I have friends at other big tech companies that have noticed a similar trend: The products are kind of crummy.
Here are some experiences that I have often encountered:
the UI is flakey and/or...
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...
Out-of-Pocket Blog
Special Edition - WoW | Out-Of-Pocket
World Of Warcraft vs. COVID-19
a year ago
World Of Warcraft vs. COVID-19
Explorations of an...
Day Two At Río Bigal - Brilliant Birding and Magnificent Mothing
The Pink-throated Brilliant.
There are, of course, many other weird and wonderful species that call...
a year ago
The Pink-throated Brilliant.
There are, of course, many other weird and wonderful species that call Río Bigal home, but I was first drawn to the idea of visiting this reserve while reading about the enigmatic Pink-throated Brilliant. This rare hummingbird lives only in forest in...
Many Worlds
A Real ET Discovery With Promise, Amid Some Other Quite Questionable Claims
Beware easy answers to the question of whether life exists beyond Earth. Be they “alien” skeletons...
a year ago
Beware easy answers to the question of whether life exists beyond Earth. Be they “alien” skeletons in Mexico City, interstellar probes that briefly pass through our solar system, UFOs of all sorts and claims to have found “biosignature” chemical byproducts of life around planets...
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...
Stephen Wolfram...
Nestedly Recursive Functions
Yet Another Ruliological Surprise Integers. Addition. Subtraction. Maybe multiplication. Surely...
2 months ago
Yet Another Ruliological Surprise Integers. Addition. Subtraction. Maybe multiplication. Surely that’s not enough to be able to generate any serious complexity. In the early 1980s I had made the very surprising discovery that very simple programs based on cellular automata could...
nanoscale views
APS March Meeting 2024, Day 2
A decent part of today was spent in conversation with friends and colleagues, but here are some high...
9 months ago
A decent part of today was spent in conversation with friends and colleagues, but here are some high points of scientific talks:
The DMP prize session was excellent. The first talk was by Harold Hwang, this year's awardee of the McGroddy Prize. He gave a very compelling...
ToughSF
Lasers, Mirrors and Star Pyramids
Lasers can hit targets at extreme ranges, at the fastest speed possible. They are ideal weapons for...
over a year ago
Lasers can hit targets at extreme ranges, at the fastest speed possible. They are ideal weapons for space warfare.
However, everyone knows that lasers bounce off mirrors... does this make lasers useless?
The post is inspired by the discussion that arose from the conclusions...
Math Is Still...
Physicists Pinpoint the Quantum Origin of the Greenhouse Effect
Carbon dioxide’s powerful heat-trapping effect has been traced to a quirk of its quantum structure....
4 months ago
Carbon dioxide’s powerful heat-trapping effect has been traced to a quirk of its quantum structure. The finding may explain climate change better than any computer model.
The post Physicists Pinpoint the Quantum Origin of the Greenhouse Effect first appeared on Quanta...
IEEE Spectrum
The Sneaky Standard
A version of this post originally appeared on Tedium, Ernie Smith’s newsletter, which hunts for the...
7 months ago
A version of this post originally appeared on Tedium, Ernie Smith’s newsletter, which hunts for the end of the long tail.
Personal computing has changed a lot in the past four decades, and one of the biggest changes, perhaps the most unheralded, comes down to compatibility. These...
Math Is Still...
A New Approach to Computation Reimagines Artificial Intelligence
By imbuing enormous vectors with semantic meaning, we can get machines to reason more abstractly —...
a year ago
By imbuing enormous vectors with semantic meaning, we can get machines to reason more abstractly — and efficiently — than before.
The post A New Approach to Computation Reimagines Artificial Intelligence first appeared on Quanta Magazine
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.
Explorations of an...
Chaco Birding, And A Rare Monjita
The Gran Chaco (or simply, "Chaco"), is a sparsely populated plain in central South America, known...
a year ago
The Gran Chaco (or simply, "Chaco"), is a sparsely populated plain in central South America, known for its hot, semi-arid environment. It doesn't refer to one particular ecosystem, but rather, it includes a number of different types of forest, scrub, savannah and grassland. Most...
Out-of-Pocket Blog
"Non"-Profit Hospitals | Out-Of-Pocket
"We're investing in ourselves"
a year ago
"We're investing in ourselves"
NeuroLogica Blog
Trust in Science
How much does the public trust in science and scientists? Well, there’s some good news and some bad...
a year ago
How much does the public trust in science and scientists? Well, there’s some good news and some bad news. Let’s start with the bad news – a recent Pew survey finds that trust in scientist has been in decline for the last few years. From its recent peak in 2019, those who answered...
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