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The Color of Infinite Temperature
This is the color of something infinitely hot. Of course you’d instantly be fried by gamma rays of arbitrarily high frequency, but this would be its spectrum in the visible range. This…
Top posts
Every blog post that took off on Hacker News, ranked by the votes of its best submission. 2,038 posts.
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Folks, we have the best π
And some novel ideas for bicycle wheel design.
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Thorium Reactors
My last article about thorium as an alternative nuclear reactor fuel drew way more readers than I expected. I intentionally glossed over the complexities of specific reactor designs for the sake of simplicity, but in this article I want to go deeper. This article explains some of the differences between traditional…
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FAQ on Microsoft's topological qubit thing
Q1. Did you see Microsoft’s announcement?A. Yes, thanks, you can stop emailing to ask! Microsoft’s Chetan Nayak was even kind enough to give me a personal briefing a few weeks ago. Yest…
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Epistemic standards for “Why did it take so long to invent X?”
How to answer this question—and how not to
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The differences between tinkering and research (2016)
Some of us have academic degrees and fancy university jobs, and publish peer-reviewed papers in prestigious journals. Let's call these peopl...
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What happens when a reservoir goes dry
[Note that this article is a transcript of the video embedded above.] In June of 2022, the level in Lake Mead, the largest water reservoir in the United States formed by the Hoover Dam, reached yet another all-time low of 175 feet or 53 meters below full, a level that hasn’t been seen since the la
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Seaflooding
The Surprising Solution to Mitigate Climate Change, Create More Life, and Grow the Economy
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Jupyter, Mathematica, and the Future of the Research Paper
Economist. Policy Entrepreneur. Geek. Co-recipient of the 2018 Sveriges Riksbank Prize in Economic Sciences in Memory of Alfred Nobel. University Professor at NYU. Focused on urbanization; cooperation at scale of millions and billions; science; technology; economic development; long-term growth; code as language.
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Color blindness
Color blindness is an inaccurate term. Most color-blind people can see color, they just don't see the same colors as everyone else. There ha...
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Spraying Magnetic Stripe Cards with Iron Filings
Posted by anaglyph under DIY , Gadgets , Hokum , Science , Skeptical Thinking , WooWoo [80] Comments
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3.4M Solar Panels
Benchmarks & Tips for Big Data, Hadoop, AWS, Google Cloud, PostgreSQL, Spark, Python & More...
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Eldar Black Holes
Isaac Asimov, in one of the anthologies he edited, mentioned reading some astronomical news back in the early 1960s about neutron stars. Being a science popularizer as well as a science fiction author, he was inspired to write a science essay about neutron stars. This was read by a few people but then more or less…
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Medical researcher discovers integration, gets 75 citations
(Note: this post is `just for fun;’ no premeds, doctors, researchers, or nobel laureates were meant to be offended in the writing of this post.) The bane of many American physics grad student…
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Optimal Peanut Butter and Banana Sandwiches
I was personally useless for most of the Spring of 2020. There was a period of time, though, after the peak in coronavirus cases here in NYC and before the onslaught of police violence here in NYC that I managed to scrounge up the motivation to do something other than drink and maniacally refresh my Twitter feed. I…
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3Blue1Brown Calculus Blog Series
Mathematics with a distinct visual perspective. Linear algebra, calculus, neural networks, topology, and more.
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German solar and wind are triple the cost of French nuclear, last half as long
France’s nuclear energy spending was 60% of what Germany spent on renewables. France gets about 400 Terawatt hour per year from nuclear but Germany gets 226 Terawatt-hours each year. 45 Terawatt-hours of Germany’s renewable power comes from burning biomass which generates air pollution.
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Whatever happened to the bee apocalypse?
Science News, Physics, Science, Philosophy, Philosophy of Science
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The human genome is full of viruses
Your body requires viruses, but viruses don’t always require a body
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A Look at Overnight Stays at US National Parks
Explore overnight stays at US National Parks and uncover surprising patterns.
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Vladimir Lukyanov's hydraulic computer
A blog on landscape architecture and related fields
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Six Math Essentials
Just a brief announcement that I have been working with Quanta Books to publish a short book in popular mathematics entitled “Six Math Essentials”, which will cover six of the fundament…
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Europe's now-drowned 'lost world' and the 25m-high tsunami that finished it off
The ultimate Trip To The Seaside Where Everything Went Wrong.