Playground
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Simulations
- Bouncy Ball PlaygroundBetaPour, fling and explode thousands of balls
- Double Pendulum SimulatorBetaWatch hundreds of nearly identical pendulums diverge into chaos
- Wave Interference StudioBetaColor each wave source and explore interference, diffraction and refraction
- Magnet Phase Transition LabBetaTune the temperature and watch magnetic domains form and melt
- Turing Pattern LabBetaWatch two reacting chemicals paint Turing patterns on their own
- Falling SandBetaPour sand, water, fire and lava and watch them react
- Flocking LabBetaWatch bird flocks and fish schools emerge from just three rules
- Game of LifeBetaDraw cells, swap rules and explore Conway's Game of Life
- Cloth Tearing SimulatorBetaPull, rip and blow a pinned Verlet cloth in the wind
- N-Body Gravity SandboxBetaFling planets, watch them orbit, collide and merge under gravity
- Gas Molecule SimulatorBetaWatch thousands of colliding molecules settle into the Maxwell–Boltzmann distribution
- Double-Slit LabBetaReal-time double-slit interference from the wave equation
- Galton BoardBetaWatch thousands of balls pile up into a normal curve on a Galton board
- Magnetic Pendulum ChaosBetaFractal chaos map of where a pendulum over three magnets lands
- Quantum Tunneling LabBetaWatch a wave packet reflect and tunnel through barriers in real time
- Phantom Traffic JamBetaSee how one car's brake tap turns into a backward-moving phantom jam
- Lorenz AttractorBetaWatch thousands of particles trace the chaotic Lorenz butterfly in 3D
- Smoke Fluid SimulatorBetaDrag to stir colorful smoke in a real-time stable-fluids simulation
- Sandpile ModelBetaPile up sand grains and watch power-law avalanches grow a fractal
- Wildfire SimulatorBetaDefend a village from wildfires with water drops and firebreaks
- Mandelbrot ExplorerBetaZoom endlessly into the Mandelbrot set and click to explore its Julia sets
- Langton's AntBetaWatch simple ant rules turn chaos into highways and multi-color turmite patterns
- Pendulum WaveBetaWatch pendulums of tuned lengths weave snake waves and then line up again
- Chladni PlateBetaWatch sand gather on a vibrating plate's nodal lines to draw Chladni figures
- Galilean CannonBetaStack balls and drop them to launch the top one many times higher
- Lens Ray TracingBetaFollow each ray to see where a convex or concave lens forms its image
- Magnus EffectBetaFly a spinning ball beside a spinless one and see how far it bends
- Nuclear Chain ReactionBetaFire one neutron and find the edge of the critical mass
- Maxwell's DemonBetaSort a gas hot and cold by working a single door
- Kármán Vortex Street Wind TunnelBetaMake wires sing with wind vortices and calm a swaying chimney
- 3D Wind TunnelBetaFly a 3D model from Mach 0 to 20 and measure its drag, lift and shock wave