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Double Pendulum

Interactive simulations of chaotic systems. Sensitive dependence, made touchable.

shipped 2025systems

Not a video file — a live physics sim rendered in canvas. Seek bar rewinds real recorded state.

Two pendulums released a thousandth of a degree apart diverge completely within seconds. The player above is not a video — it is a live simulation running in canvas, with real DVR-style scrubbing through its own recent history.

Drag the seek bar and it rewinds actual recorded physics states, not frames of footage. Let go past the live edge and it catches back up to the running simulation, the same way a livestream DVR does.

type
simulation
role
build
topic
chaos
state
shipped
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