Liquid lab

Drag to push, tap to splash

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How to play Liquid lab

The screen is a glowing fluid simulation. Drag your finger or mouse across it to push the liquid around. Use the controls to bend gravity, switch colours, adjust the brightness, and change the simulation speed. There is no goal and no score, just a sandbox to play with. Tap reset to clear the canvas if it gets too busy.

Tips

About Liquid lab

Fluid simulations have been a staple of computer graphics research since the 1990s, with Jos Stam's Real Time Fluid Dynamics for Games paper in 2003 making them affordable for browsers. We took that math, dialled the colours up to glow, and added knobs for gravity, viscosity and hue. The result is a visual toy with no objective. Slap it on a second monitor for some calm in your day.

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