Sim Engine v0.4

Launch Lab

All experiments, simulations, and puzzles in one place. Pick one and start exploring.

Interactive Labs

All Experiments

Interactive science experiments — from particle physics to gene editing. Built with Three.js, Canvas 2D, and pure JavaScript.

FPV MODE

Astronomy

Solar System Explorer↗

All 8 planets with real orbital mechanics. Asteroid belt, Lagrange points, Earth's Moon. First-person flight mode. Click any planet for data. 5,000 background stars. Sound design.

8 PlanetsFPV FlightAsteroid BeltSound

🌌

BIG BANG TO QUARKS

THREE.JS + WebGL

Cosmology / Particle Physics

Cosmic Zoom↗

Journey through 62 orders of magnitude — from the Big Bang singularity to quarks. 14 interactive scales with procedural shaders, 50K particle galaxies, DNA helix, atom electron clouds, and a 60-second cinematic auto-journey inspired by The Big Bang Theory intro. Scroll, click, orbit, explore.

14 ScalesThree.jsSoundCinematic ModeWebGL

LIVE SKY

Astronomy

Sky View Planetarium↗

Your personal planetarium. GPS location, real constellation data, time controls up to 1000x. Milky Way band, star magnitude filter, compass.

GPSConstellationsTime Warp

PHASE SPACE

Classical Mechanics

Pendulum Lab↗

Simple, double, and triple pendulums. Chaos presets show sensitive dependence on initial conditions. Phase space plot, energy bars, trails.

ChaosDoublePhase Plot

60 FPS

Wave Physics

Wave Sandbox↗

2D wave propagation with interference. Double-slit, ripple tank, standing waves. Frequency, amplitude, damping controls. Intensity map overlay.

Double SlitInterferenceRipple Tank

N-BODY

Orbital Mechanics

Gravity Orbits↗

Launch bodies and watch gravity shape their paths. N-body gravitational simulation with trail visualization.

Watch the Galton board build a normal distribution in real time. Hundreds of balls, collision physics, live histogram.

Atmospheric particle simulation. Ambient visuals powered by physics-driven motion and procedural generation.

Build molecules by placing atoms and watching them bond. CPK-colored elements with real bond lengths. Challenges: build H2O, CH4, CO2, NH3.

AtomsBondingCPK ColorsChallenges

INSTANCED MESH

Crystal Physics

Crystal Growth↗

Watch crystals grow atom by atom. FCC, BCC, and Diamond lattice structures. Temperature-driven growth rate with instanced mesh rendering.

LatticeFCC/BCCTemperatureThree.js

FPV MODE

Biology

Cell Walkthrough↗

First-person exploration inside a living cell. Walk through the cytoplasm, visit organelles — nucleus, mitochondria, ER, Golgi apparatus. Info panels on each.

FPVOrganelles3DInteractive

GENE EDITING

Molecular Biology

CRISPR Gene Editor↗

Simulate CRISPR-Cas9 gene editing. Guide the Cas9 enzyme along the DNA helix, cut at the target site, and insert new genetic material. Step-by-step molecular workflow.

DNACas9Gene EditingThree.js

DFT

Mathematics

Fourier Visualizer↗

Draw any shape and watch Fourier epicycles reconstruct it. Discrete Fourier Transform visualized as rotating circles. Adjust harmonics to see convergence.

DFTEpicyclesHarmonicsCanvas 2D

NODE ANALYSIS

Electrical Engineering

Circuit Sandbox↗

Build circuits on a breadboard. Resistors, batteries, LEDs with real node-voltage analysis. Watch current flow as animated particles. Load preset circuits.

BreadboardNode VoltageCurrent FlowCanvas 2D

Subject Modules

Explore by Subject

Curated content with PhET simulations, NASA 3D models, and interactive demos.

🌌Space ⚛Physics ⚖Chemistry 🧬Biology 𝜋Math 🌍Earth