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Supercooled Water: Instant Freeze (3D)

Full 3D simulation of supercooled water — orbit a flask chilled below 0°C without freezing, then click to trigger a real nucleation front that propagates through the volume, releasing latent heat tracked as the temperature rises back toward 0°C.

Chemistry & Materials3DModerate60 FPS📱 Mobile-adapted⇄ 2D version

This is a full 3D, orbit-anywhere model of a flask of pure water chilled below 0 °C without freezing. As the temperature drops past the freezing point the water stays liquid — a real metastable supercooled state — until you click inside the flask to trigger nucleation. A genuine crystal front then grows outward through the water volume, releasing latent heat that visibly warms the remaining liquid back toward 0 °C as it advances and self-limits, exactly the energy balance behind real "instant freeze" bottle demonstrations. Raise the impurity/nucleation-site density and the flask may freeze on its own before you ever click it. Drag to orbit and scroll to zoom in on the growing front.

⚙ Under the hood

Chill pure water below 0°C in 3D without it freezing, then click to trigger a real nucleation front that spreads through the volume as latent heat warms it back toward 0°C.

supercoolingnucleationphase-transitionthermodynamicsnew-year

3D · Three.js / WebGL renderer · 60 FPS target · runs fully client-side, no install