In 1952, Alan Turing proposed that biological patterns — spots on leopards, stripes on zebrafish, the branching of coral — emerge from the interaction of two diffusing chemicals. The Gray-Scott model simulates this: chemical U feeds in at rate f, chemical V consumes U and is removed at rate k. Click to seed patterns and watch morphogenesis unfold.
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Click and drag to seed chemical V into the simulation. Try different presets to explore the rich parameter space of the Gray-Scott model. Each preset occupies a different region of the f-k phase space, producing distinct morphologies.