QR is cool
An interactive demo of QR code error correction: pick or scan a code, then scribble on it or cover parts and see it still scans.
No account needed · sign in to keep your taste everywhere
More like this
Pages that share QR is cool's themes. Or browse all of Tech.
Reading QR Codes Without a Computer
An interactive explainer that teaches you to decode a QR code by hand, step by step, showing masks, format bits and erro…
Four Color Theorem Map Solver
A demo of the four color theorem where you draw a map of your own and the page colors every region for you, using no mor…
Hysteresis & Slack
A small interactive essay that explains hysteresis as a system having slack, with two machines you can control to feel h…
Moon's Worldshop
An early demo of a game in which you craft planets for other gods in a magical workshop and learn more about your peers…
Do Machine Learning Models Memorize or Generalize?
An interactive explorable from Google PAIR that walks through grokking, where neural networks suddenly generalize long a…
Differentiable Logic Cellular Automata
An interactive Google Research article where learned logic-gate circuits grow patterns from Game of Life rules, with liv…
Stumble onto more like this
One click takes you to a page you didn't know you were looking for. Rate it and the next one lands closer to your taste.
Add to Browser — it's freeWorks in Chrome, Edge and Brave. No account needed.