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Home SCIENCE Engine based on Maxwell's daemon concept can help us understand entropy

Engine based on Maxwell’s daemon concept can help us understand entropy

Researchers have built an engine based on a famous thought experiment called Maxwell’s demon, and it can help us understand how entropy is produced.

physical


September 20, 2022

Shaky Bead Jar Mimics Maxwell’s Demon Thought Experiment

Antoine Naert/ENS of Lyon

A device based on a 155-year-old thought experiment has been performed on the largest scale yet, and it may help us understand how entropy, or disorder, occurs. It could also be used one day to collect energy from movement.

Maxwell’s demon is a thought experiment first proposed by Scottish mathematician James Clerk Maxwell in 1867. He envisioned a small demon sorting gas particles by temperature in two chambers, heating one and cooling the other. In theory, this…

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