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Decomposing a Factorial into Large Factors
I’ve just uploaded to the arXiv the paper “Decomposing a factorial into large factors”. This paper studies the quantity $latex {t(N)}&fg=000000$, defined as the largest quanti…
332
Lace: A New Kind of Cellular Automata Where Links Matter
This article is about a new kind of simple computational rule ("LACE rules" running on LACE, the Link Automata Computing Engine platform) which, when applied locally on a grid of cells, demonstrates fascinating emergent "artificial life" behavior.
333
Random Attractors – Found using Lyapunov Exponents (2001)
Contribution by Philip Ham: attractor.basic and Python implementation by Johan Bichel Lindegaard.
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The 101 of analog signal filtering (2024)
Some intuition about this topic can be developed without summoning the ghost of Pierre-Simon Laplace.
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A century of reforestation helped keep the eastern US cool (2024)
Throughout the 20th century, as most of the world warmed, the eastern US remained mysteriously cool. Now, scientists think they have an explanation: trees.
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God created the real numbers
W. Jherek Swanger writes in his introduction to Camillo 7 Agrippa's "A Treatise on the Science of Arms, with a philosophical Dialogue (1553)" that:
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Study: The ozone hole is healing, thanks to global reduction of CFCs
An MIT-led study confirms the Antarctic ozone layer is healing as a direct result of global efforts to reduce ozone-depleting substances.
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The Block Stacking Problem
John D. Norton Department of History and Philosophy of Science University of Pittsburgh https://sites.pitt.edu/~jdnorton/jdnorton.html
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How much do electric car batteries degrade?
Many electric cars will still have more than 80% of their initial capacity after 200,000 miles.
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The lottery ticket hypothesis: why neural networks work
The lottery ticket hypothesis explains why massive neural networks succeed despite centuries of theory predicting they should fail
342
Zebrafish protein unlocks dormant genes for heart repair
Researchers from the Bakkers group at the Hubrecht Institute have successfully repaired damaged mouse hearts using a protein from zebrafish.
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CERN releases report on the feasibility of a possible Future Circular Collider
Released today, a report of a study investigating the project’s feasibility will serve as input for the European Strategy for Particle Physics and be assessed by the CERN Council in the coming months
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A Random Walk in 10 Dimensions (2021)
The geometry of random walks in high dimensions provides the power behind deep learning and may be the secret to intelligence.
345
Measuring the doppler shift of WWVB during a flight
We advertise 100 kHz as the lower edge of HackRF Pro ’s operating frequency range, but that isn’t a hard limit. While working on the design, I realized that it should work fairly well to pick up longwave time signals such as WWVB , broadcast at 60 kHz from Colorado, USA.
346
Don't Become a Scientist (1999)
Don't Become a Scientist!
347
The Art of Fugue – Contrapunctus I (2021)
JS Bach’s last set of works, collectively titled The Art of Fugue, was published shortly after his death. It was not a big hit. Dense counterpoint was deeply unfashionable at that time, as We…
348
The Molecular Basis of Long Covid Brain Fog
Researchers use a specialized brain imaging technique to identify a potential biomarker and therapeutic target of Long COVID
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Quanta to publish popular math and physics books by Terence Tao and David Tong
Quanta Books is delighted to announce two new upcoming books by mathematician Terence Tao and theoretical physicist David Tong. Six Math Essentials will be Tao’s first math book written for a popular…
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Real-time CO2 monitoring without batteries or external power
< (From left) Master's Student Gyurim Jang, Professor Kyeongha Kwon > KAIST (President Kwang ...
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Tomatoes roaming the fields and canaries in the coalmine
Many publishers are getting nervous about infiltration by paper mills, who can torpedo a journal's reputation when they succeed in publis...
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How renewables are saving Texans billions
A dive into ERCOT data reveals how solar energy is driving down electricity costs for Texas
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The inspection paradox is everywhere (2015)
I have updated this article with new data, better code, and friendlier data visualization. You can read the new version here . Th...
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Aldous Huxley predicts Adderall and champions alternative therapies
If delivered today, the last of Huxley’s 7-part lecture series at MIT would probably be categorised under motivational talks or self-help strategies. It surv...
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Epistemic Collapse at the WSJ
For a long time now fundamental theoretical physics has been suffering not just from a slowdown in progress, but from a sort of intellectual collapse (I wrote about this here a while back in the co…
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Dr John C. Clark, a scientist who disarmed atomic bombs twice
One scientist did it twice
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Sweetener saccharin shows surprise power against antibiotic resistance
Sweeteners can kill drug resistant bacteria
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Aging-related inflammation is not universal across human populations
Inflammation may not be a universal human experience, but a byproduct of industrialized lifestyles.
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ESA Sentinel-1D delivers first high-resolution images
The first high-resolution images have been received from Copernicus Sentinel-1D and were shared publicly for the first time at the European Space Agency’s Ministerial Council, held today in Bremen, Germany. Glaciers in Antarctica, the tip of South America, as well as the city of Bremen, are visible in these stunning…
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Unexpected patterns in historical astronomical observations
Researchers at Nordita at Stockholm University have analyzed flashes of light on astronomical plates from the early 1950s and found statistical connections between the times of these flashes, nuclear weapons tests and reports of unidentified anomalous phenomena (UAP). The results are presented in two studies published…