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Topics /
Science & Space
The most popular blog posts about science & space on Hacker News. 2,038 posts.
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How Ray Kurzweil’s 1998 predictions about 2019 are faring
This is the fourth…and LAST…entry in my series of blog posts analyzing the accuracy of Ray Kurzweil’s predictions about what things would be like in 2019. These predictions come from hi…
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So you want to use plants to reduce CO₂
You face certain challenges
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Whales dying from consuming plastics
Blame Coca-Cola and PepsiCo, the world’s worst plastic polluters, according to a new study
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The likely cheapest home-made Michelson interferometer
Lately, I’ve been really into 3D printing along with asking myself what we can do with this technology now that it’s become, well, a technology. (At least, in the “this is a thing that can now be used, is robust, and is generally accessible to many people” sense of technology.) The first thing to print on a 3D printer…
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Degenerate matter: How reality deals with uncertainty
Casual introduction to the uncertainty principle from quantum mechanics and how it leads to neutron stars and superfluids
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P < 0.05 Considered Harmful
The unreasonable persistence of an old standard
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AAAS Blocking Access to the Scientific Literature When They Say It Is “Free”
A blog about microbiology, genomics and metagenomics, sequencing, evolution, ecology, and open science.
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Rat Park drug experiment cartoon
Comic about a classic experiment into drug addiction science: Rat Park. Would rats take drugs if given a stimulating environment and company?
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Hacking physics from the back of a napkin (2020)
February 24, 2020. The computational power of a humble napkin is awesome. I discuss three napkin algorithms — dimensional analysis, Fermi estimates, and random walks — and use them to figure out why rain falls, the length of the E. coli genome, and the mass of a proton, among other things. These examples suggest a…
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What Did Bohr Do at Los Alamos?
Along with almost getting hit by a car, he made important contributions to the atomic bomb's design.
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Nootropics Survey Results And Analysis
In case you are just joining us: nootropics are substances which purportedly improve mental functioning with relatively few side effects when used responsibility. Caffeine is a good example. It imp…
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The Saddest Map In America
Yep, there it is: the result of a scholarly study by Dorothy Gambrell of the “missed connections” section of Craigslist. This is where you thought you saw your future spouse or date or …
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Against Bayesianism – David Deutsch
Bayesianism, the doctrine that it's always rational to represent our beliefs in terms of probabilities, dominates the intellectual world, from decision theory to the philosophy of science. But does it make sense to quantify our beliefs about such ineffable things as scientific theories or the future? And what separates
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The Newton hypothesis: Is science done by a small elite?
In previous posts I said that the extent to which "Fund people" works will depend on the distribution of scientific talent. Think about the following …
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Training my sense of CO2 ppm
Posted on Thursday 14 Jul 2022. 1,157 words, 9 links. By Matt Webb.
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Where do our atoms come from?
Falling down a rabbit hole
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Why is symmetry so important in particle physics?
Faizan Muhmmad is a Software Engineer at Google
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Scratches in 2001: A Space Osyssey (2018)
A set of scratches in Stanley Kubrick’s '2001: A Space Odyssey' is visible at the same moments and locations within the frame in most copies of the movie.
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How many dimensions is this?
A degree in mathematics might not save you from stacking boxes for a living.
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A seamstress who solved the ancient mystery of the Argonaut
“I armed myself with patience and courage, and only after several months managed to dissolve my doubts and see my research crowned with happy confirmation.”
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Scottish Nitroglycerin and One Legged Stools (2014)
Main Menu - click above Man, thermometer, one legged stool & vat of nitro 1870 . Alfred Nobel chose Ardeer, in Ayreshire, as the ...