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Topics /
Science & Space
The most popular blog posts about science & space on Hacker News. 160 posts.
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Seaflooding
The Surprising Solution to Mitigate Climate Change, Create More Life, and Grow the Economy
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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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Solar
I spent some time (in Fall 2023) reading about solar deployment. Some facts that struck me:
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Running Speeds
Recently a shoe store in France ran a promotion called “Rob It to Get It”, which invited customers to try to steal something by grabbing it and running out of the store. But there was a catch — the “security guard” was a professional sprinter, Méba Mickael Zeze. As you would expect, he is fast, but you might not…
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Understanding large language models: A cross-section of the relevant literature
A Cross-Section of the Most Relevant Literature To Get Up to Speed
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There’s no such thing as a tree phylogenetically (2021)
Dendronization – Evolving into a tree-like morphology. (In the style of “carcinization”.) From ‘dendro’, the ancient Greek root for tree.
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What happened with the substation attack in North Carolina?
[Note that this article is a transcript of the video embedded above.] At around 7PM on the balmy evening of Saturday, December 3, 2022 , nearly every electric customer in Moore County, North Carolina was simultaneously plunged into darkness. Amid the confusion, the power utility was quick to di
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The limits of "computational photography"
I was recently discussing laser etching with an engineer/font-designer friend of mine, and I wanted to show him a picture of some really good laser etching on a particular piece of optical equipment.
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Make your own pyramid salt crystals
This guide teaches you how to make pyramid salt crystals at home. Follow these simple steps to turn regular salt into premium artisan salt.
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Plane Lands/Takes Off in Only 20 Feet (2013)
I posted a video earlier today of a Super Cub airplane landing on the side of a mountain. Super Cubs are ideal for that undertaking because of their low stall s
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The 2002 Überlingen midair collision
The story of a tragedy which touched the hearts of the world and forced the industry to ask whether it had done enough to keep planes…
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Generative AI space and the mental imagery of alien minds
AI and the ruliad in the Wolfram Physics Project provide a new way to consider how alien minds might perceive the world. Stephen Wolfram explains how this artificial neuroscience experiment works.
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Emissions are no longer following the worst case scenario
So where might we be headed instead?
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Circles do not exist
Many logos, drawings and other graphical designs have the following shape in it. What is this shape? If you thought: "Ah-ha! I'm smart and r...
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How far can you jump from a swing?
In this post I derive the physics of pumping a swing and the physics of jumping from a swing. Then, using both pieces I compute the optimal strategy of jumping from a swing to maximize the traveled distance. I propose this game as a new Olympic sport.
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Photogrammetry on commercial flights (2021)
Airplane window seats are great! Not only are they more comfy and easier to take a nap in, but they also have the most quaint form of in-flight entertainment: The outside world!
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Robot Learns to See in 30 Minutes (2022)
TL;DR: Learning to walk from pixels in the real world by using proprioception as supervision.
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Cargo Cult Quantum Factoring
Just days after we celebrated my wife’s 40th birthday, she came down with COVID, meaning she’s been isolating and I’ve been spending almost all my time dealing with our kids. But …
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