DownloadBaby Hand Doctorr
1.0 July 18, 2025- 8.5
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Can you stop the increasing entorpy?
Learn physics with killing time app!
You are Maxwell's demon, who is aiming to decrease the entropy in the room.
You are allowed to open and close the gate to selectively pass the particles through it.
Drag the screen vertically to move the gate up/down, tap the left bottom button to open/close it.
Your goal is to move all red particles to one side of the room and all blue ones to another side.
Fight with increasing entropy!
Latest version 1.1.2
1.1.2
Ads removed.
1.1.1
Velocity distribution select menu added to the settings.
1.1.0
Velocity distribution changed. Red (hot) particles move faster, Blue (cold) ones slower.
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