Black Hole Lensing
Fire photon rays past a Schwarzschild singularity. Watch them bend, orbit, or get captured, rendering a lensed accretion disk and Einstein rings.
Launch SimulationQuantum Eraser
Mark photons to collapse the double-slit interference pattern. Erase the "which-way" spin tags to restore the quantum fringes.
Launch SimulationFourier Diffraction
Draw custom aperture shapes on a laser board. Computes the real-time 2D Fast Fourier Transform (FFT) to display diffraction patterns.
Launch SimulationBZ Reaction Waves
Simulate excitable chemical reaction-diffusion waves. Slice wavefronts with scissors to create rotating self-sustaining spirals.
Launch SimulationCMB Anisotropy
Tweak baryon, dark matter, and dark energy densities. Filter Fourier noise fields in real-time to generate primordial sky fluctuation maps.
Launch SimulationQuantum Billiards
Scatter wave packets inside Bunimovich stadiums or Sinai billiard boxes. Compare wave scarring side-by-side with classical chaotic paths.
Launch SimulationMIMO Beamforming
Adjust phase offsets ($\Delta\phi$) and spacing to steer radiation wavefronts. Drag reflectors to route the signal around obstacles to the target.
Launch SimulationGrand Tour Slingshot
Use gravitational slingshots of Jupiter and Saturn to launch a probe from Earth to Neptune. Features live trajectory path predictions.
Launch SimulationConformal Grid Warper
Map coordinates $z \to f(z)$ using holomorphic functions. Watch spacetime grids deform while preserving right-angle line intersections.
Launch SimulationQuantum Tunneling
Simulate Schrödinger probability wave packet splits and transmission through potential wells to study semiconductor leakage.
Launch SimulationRF Signal Modulation
Encode binary bits into carrier sine waves using Amplitude/Phase shifts (QAM). Turn up noise to see symbol scatter clouds.
Launch SimulationCoriolis Space Habitat
Aim a launcher inside a rotating space habitat. View how straight trajectories bend into spirals from an astronaut's perspective.
Launch SimulationKessler Debris Cascade
Trigger ASAT strikes to fragment satellites, starting a runaway cascade collision chain reaction. Features live telemetry charts.
Launch SimulationStrange Attractors
Solve the 3D Lorenz system. Spawn two tracers with a $10^{-5}$ position difference to watch them diverge exponentially.
Launch SimulationSonic Booms & Doppler
Accelerate a moving sound emitter through Mach speeds. Observe pressure wave compression and Mach cone shock boundary overlaps.
Launch SimulationChladni Resonance
Vibrate a square plate at modal frequencies. Observe sand particles random walk and cluster along static wave nodes.
Launch SimulationPhyllotaxis Packing
Simulate sunflower spiral growths. Tweak the divergence angle slightly away from 137.508° to see parastichy symmetry dissolve.
Launch SimulationTuring Morphogenesis
Simulate biological morphogenesis using Gray-Scott PDE grids. Tweak Feed/Kill constants to grow leopard spots and zebra stripes.
Launch SimulationVector Flow Fields
Map coordinate forces to 2D Perlin noise. Watch thousands of particles travel along these lines, painting glowing fluid silk trails.
Launch SimulationCellular Mesh Grid
Partition 2D coordinate spaces using distance vectors. Overlay Delaunay wireframes, and trigger Lloyd relaxation honeycombs.
Launch SimulationL-System Botany
Grow complex organic plant structures recursively using Lindenmayer string rewriting grammars and turtle vector graphics.
Launch SimulationFourier Epicycles
Decompose complex closed loop paths using the Discrete Fourier Transform (DFT). Watch rotating circular vectors draw shapes.
Launch SimulationDouble Pendulum
Solve coupled non-linear differential motion equations. Watch how a 0.010° offset leads to absolute chaotic divergence.
Launch SimulationRay Casting Shadows
Project light ray vectors in 360 degrees. Solve linear coordinate intersections to render realistic dynamic shadows behind walls.
Launch Simulation