Brownian ratchet

名词 n.

英文释义

名词 n.
  1. An apparent perpetual motion machine, the subject of a thought experiment, that would consist of a tiny paddle wheel and a ratchet, and might seem to be able to extract useful work from random fluctuations (heat) in a system at thermal equilibrium, in violation of the second law of thermodynamics.

词形变化

Brownian ratchets plural

词源

In reference to Brownian motion.
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