Science
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How Random Are You?
A browser experiment where you say numbers aloud as randomly as you can while a predictor seals its guess before each on…
How Silica Gel Took Over the World
The surprising story of the little silica gel packets in packaged goods: their wartime origins, chemistry and how they e…
How Slide Rules Work
An illustrated explanation of how the logarithmic scales on a slide rule turn multiplication into addition, with diagram…
How the Brain Works
A free online book that explains the brain from the ground up - why it evolved, why it is mostly built for movement, and…
How the Soviets Put a Lander on Venus
How Soviet engineers, after repeated failures, built Venera probes tough enough to survive crushing pressure and furnace…
How to Avoid Losing Items? Holding Pens
A short, practical essay on why we lose things at home and how designating a holding pen for items in transit keeps keys…
How to Become a GOOD Theoretical Physicist
Gerard 't Hooft's guide for aspiring theoretical physicists, a curated path of topics, books and links to study from the…
How to Cheat at Settlers by Loading the Dice
A researcher bakes dice to load them, rolls them thousands of times and uses p-values to show how much of a Settlers of…
How to Create a Lego Relief Map
A cartographer explains how she turned elevation data into a physical topographic relief map built from childhood LEGO b…
How to pack a stereo signal in one record groove
An illustrated explainer of how one vinyl groove carries two channels, comparing vertical and horizontal modulation and…
How to Pick a Random Number from 1-10
A playful data story that uses answers from over 8500 people to show how biased humans are at picking random numbers, an…
How to Sequence Your DNA for Under $2k
A hands-on account of sequencing your own genome on the cheap, covering the kit, the mess, the data and what the results…
How to Sequence Your Own DNA at Home
A first-person guide to sequencing a human genome five times at home with an Oxford Nanopore MinION, covering the kit, w…
How to Study Mathematics
A university professor's essay of practical strategies for studying college math, covering definitions, theorems, proofs…
How to Survive Boiling Water
The story of MIT's most notorious milk carton, bought in 1994 and rediscovered in a dorm fridge, and the probiotic parad…
How We Animated Trillions of Tons of Flowing Ice
A graphics editor explains how he animated the slow crawl of Antarctica's ice sheet using an old video game color-cyclin…
Hubble Space Telescope - NASA Science
The home of the Hubble Space Telescope, featuring its discoveries, deep-space imagery, and news from the orbiting observ…
Hugelkultur: The Ultimate Raised Garden Beds
A detailed illustrated guide to hugelkultur, the practice of building raised garden beds over buried rotting logs so the…
Human Admixture Atlas
An interactive genetic atlas that maps the admixture history of human populations around the world, showing how ancestri…
Human Brain Project
The public face of a major European neuroscience initiative, sharing digital brain atlases, simulation tools, and resear…
Human Memory
An accessible educational site explaining how memory works, its types and disorders, alongside interactive demonstration…
Human Response Time Test
A quick reaction-time test that measures how fast you respond to a visual cue in milliseconds, then shows your result in…
HumanConsumption.Live
Live counters projecting annual slaughter, capture and aquaculture harvest figures for animals worldwide, calculated as…
Humanity's Last Machine
A deep dive on humanoid robotics hardware and the technology shaping our future, exploring how the machines are built an…
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