Chemistry · Turing patterns
Reaction-Diffusion Lab
Interactive Gray-Scott reaction-diffusion lab. Adjust feed and kill rates, diffusion coefficients, and color maps. Presets for spots, stripes, mazes, and labyrinths. Live evolving canvas with seed brush to paint activator, pause/reset, and visual organic patterns that emerge over time. Lightweight 2D grid simulation for browser, EN+ES parity.
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After Reaction-Diffusion Lab, try Boids Flocking Lab
Live flock of colored particles following separation, alignment and cohesion. Adjust rule strengths, speed and perception radius. Trails, color by velocity or neighbors, mild mouse attraction. Pure evolving system visualization.
Educational simulation in your browser. No account needed.