A JEPA-style model learns to predict a ball's next position from a learned representation of a frame — never from the pixels themselves. Everything below trains in this tab, in plain JavaScript.
Orange = ground truth. Hollow = the model's prediction, one step ahead, from latents only. The error readout is the whole point — watch it fall as training runs.
Nine coupled pendulums on a real g = 9.81. Small-angle period printed underneath; the chaos beside it is the point.
A real Gray-Scott solver. Eight regimes - mitosis, coral, worms, solitons, fingerprint - and the feed/kill map that makes them.
An explicit leapfrog finite-difference solver. Resonance, standing waves and superposition, with the measured period next to the theory.
A soundboard of 25 sounds, all synthesised live in your browser with Web Audio.
Pull back, aim and launch. Topple the three marked blocks in six shots.
Drop the sliding block and stack it clean. Perfect cuts keep full width.
Light-cycle duel against the CPU or a friend. Walls and trails are fatal.
Spend gold each season to grow a village to 24 people before the year runs out.
