Cognitive Biases Academy
Free, 66 languages, one goal: a billion self-aware minds
What it does
Your brain misfires by design: 190+ ways, to be exact. Cognitive Biases Academy is a free library and course covering every documented bias in plain language: where it comes from, how it distorts your decisions, and how to catch it in yourself. Backed by 1,800+ academic references, translated into 66 languages, free forever, no card required. The mission: one billion people who can catch their own thinking going wrong. Science says 10% of us is enough to tip the rest. Be part of the 10%.
See reality more clearly and make better decisions. Explore 190+ cognitive biases to understand why the mind misjudges, and what you can do about it.
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Life & fun · 10d ago · louisabraham.github.io
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Hello HN! I found that picking out plausible but diverse skin tones for my digital art and game development projects was kind of difficult, and I got curious about if there was a way to define a color space that made it easy. I've built a color picker and procedural generation algorithm based on the space as well as a bunch of other fun js features and demos throughout the page that use the equations. If you find it interesting, I have lots of explanations of how I built it and what properties the space has. The methodology might be a bit shaky, but hopefully the result is as helpful for…
Life & fun · Aug 2026 · toneyalexander.github.io
I trained a 125M-parameter transformer to autocomplete piano performances in real time (~108 notes/sec on an iPhone 15). The idea is basically GitHub Copilot or Tabnine, except instead of prompting it with code, you prompt it by playing a few notes on a MIDI piano. The model then continues what you played, entirely on-device. The app is free if anyone wants to try it. Happy to answer questions about the model, training, Core ML, or the many things that didn't work.
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