Questing · 2026-09-06 · Fluid Dynamics · Zero Dependencies
Heat the bottom. Cool the top. Watch a fluid decide it is more efficient to move than to conduct — and self-organize into rising amber plumes and sinking teal sheets.
Click: hot plume · Shift+click: cold blob · Ra > 1708 triggers convection
▲ Rac = 1708 (Rayleigh-Bénard critical threshold)