Education
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Ace of Aces: Why You Should Do Maths as a Game Designer
A game designer digs into the math behind Ace of Aces, the clever two-book dogfight game, and shows how counting probabi…
Acoustic Guitar
The site of a monthly magazine for acoustic players, with lessons, music to play and how-tos for beginners and experienc…
Acronymy
A collaborative word game trying to define every English word as an acronym of itself, showing a word of the day and the…
Acropolis Museum
The Athens museum built beside the Acropolis, presenting ancient Greek sculpture and artifacts found on and around the s…
Acrylic University
A blog of acrylic painting techniques, tips and tutorials from professional artists, covering color, paints, mediums and…
Active Wild
A wildlife and science site for kids and adults with facts on animals, habitats, and the natural world, from rainforest…
Activist Handbook
Practical guides for activists on planning a campaign, building a grassroots movement, and organizing for social and pol…
Actual Scale
A map tool that lets you drop the outline of any city, state, or country anywhere on Earth and watch it grow or shrink t…
Adafruit Learning System
An open-hardware company's enormous library of free electronics tutorials covering circuits, wearables, and beginner rob…
Adam Johnson
Django and Python developer Adam Johnson's blog, with detailed, practical articles on Django internals, testing, perform…
Adam Nemeth's Virtual Reconstructions
A digital artist's 3D reconstructions of ancient and historic places, from Hadrian-era Ephesus and Roman Aquincum to the…
Adam Ponting
A sprawling personal site gathering great books and writers, essays, aphorisms, quotes, music and maths, including Miles…
Adam Young Golf Blog
A popular golf blog by an instructor, covering psychology, motor learning, strategy, and technique to help players impro…
Adana Playground
A browser playground for Adana, a hobbyist programming language, where you can write and run code in the page without in…
Add-Ends
Swap tiles so every row, column and the center diagonal add up to their target sums, with a tutorial, a daily challenge…
Additional
A daily maths game that hands you a fresh number puzzle every day, asking you to combine the given numbers with simple a…
AdhanLive
A live 3D globe showing the call to prayer sweeping across more than 280,000 mosques in real time, with prayer times and…
ADHD Reader
A speed-reading toy that flashes one word at a time over a moving 3D canvas, letting you paste text or load a blog post…
Adjectives: order - Cambridge Grammar
A clear reference lesson on the order English adjectives follow, with examples that explain why a lovely old wooden hous…
Adrian Roselli
Detailed articles on web accessibility, semantic HTML, and inclusive design by accessibility consultant Adrian Roselli,…
Advancing Women Artists
Archive of a closed Florence foundation that restored forgotten art by historic women painters and sculptors, with profi…
Adventures in Advanced Symbolic Programming
The MIT course page for 6.945, built on extensive programming assignments in MIT/GNU Scheme for students with significan…
Adventures in Cognitive Biases
A text adventure at a monastery where a monk trains you to defeat thinking errors like overconfidence and base rate negl…
Adventures in Population Growth
A post of animated GIFs showing how countries' populations grow and age over time, making demographic change easy to see…
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