Education
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Half-Earth Socialism
A planetary planning game where you decide how to feed humanity while protecting biodiversity and responding to the clim…
Halfway
Type two words like crunchy and soft or truth and lie, and it suggests the words that sit halfway between them in meanin…
Halt and Catch Fire Syllabus
A self-guided curriculum built around the TV series Halt and Catch Fire, pairing each episode with readings, videos and…
Hamiltonian Monte Carlo Explained
An interactive 3D explanation of Hamiltonian Monte Carlo sampling, showing with live demos how a particle explores compl…
Hands-On Data Visualization
A free open-access book that teaches how to tell stories with charts and interactive maps using easy web tools, from spr…
Handspeak
An American Sign Language dictionary and learning resource with thousands of signed word videos and notes on Deaf cultur…
Handwriting vs Typing: Brain Connectivity Study
A peer-reviewed EEG study finding that handwriting activates much wider brain connectivity than typing, with notes on wh…
Hangul.cool
A Korean typing practice site that helps learners get comfortable with Hangul keyboard input by typing real characters a…
Hannibal - Sources: Livy
A history teacher's lively guide to reading Livy as a source on Hannibal, arguing he was the bestselling JK Rowling of R…
Hans Hofmann
The official Hans Hofmann site, with an image gallery of his vivid abstract paintings, a decade-by-decade biographical c…
Hans Talhoffer's Life
A historical martial arts researcher reconstructs the life of Hans Talhoffer, the 15th-century fencing master whose illu…
Hanukkah of Data
An eight-night detective puzzle series where you hunt for a missing rug by digging through a fake business database with…
Hanzicraft
A free Chinese character lookup tool breaking down characters into components, radicals, and mnemonic etymology for lear…
HardBreak
An open-source wiki that teaches hardware hacking step by step, from reconnaissance and interface interaction to firmwar…
Hardcore Gaming 101
An encyclopedic site of deeply researched articles on obscure, classic, and international video games, spanning decades…
Hardware Tycoon
A free tycoon game where you run your own hardware company: design and sell products, influence the market and compete w…
Hark! A Vagrant
The archive of Kate Beaton's beloved webcomic, full of hilarious strips about historical figures, classic literature, Na…
Harmony of the Spheres
A 3D gravity and space simulator where you explore scenarios from our solar system and beyond, adding bodies and watchin…
Harmopark
A browser-based music tool for visually building chords and progressions, useful for grasping harmony concepts or just p…
Harold Town: Life & Work
A free illustrated online art book tracing Canadian painter Harold Town, co-founder of Painters Eleven, from his early y…
Harrods for Everything
Distributed Proofreaders shows off its digitized 1912 Harrods catalogue, 1,525 pages selling everything from motor cars…
Harvard Business Review - Ideas and Advice for Leaders
Management publication offering articles, research and advice on leadership, strategy and organizational practice.
Harvard College Observatory History in Images
A personal project collecting early images of the Harvard College Observatory on Observatory Hill, with historical photo…
Harvard Health Blog
The blog of Harvard Health Publishing, with expert articles on healthier living, nutrition, and common health conditions…
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