Maxwell's Demon

A gate sends fast particles from left to right and slow particles from right to left. Track each chamber’s kinetic-temperature proxy.

Press Run to start the animation. Pause or Reset anytime.

Limitations: particles do not collide, the gate has no information or thermodynamic cost, and the displayed value is only the Shannon entropy of velocity bins. It is not the gas’s total physical entropy and does not model Landauer’s principle.