I'm a newbie (obviously), but I just read this recent paper describing an "experimental realization of an autonomous Maxwell’s demon" (along with this review). I think I understand the general concept of Maxwell's thought experiment well enough (from a layman's perspective), but I'm having difficulty understanding the implications of Koski's new apparatus. The authors of the paper don't specifically claim to be violating the 2nd Law of Thermo; nevertheless, they are reducing entropy of the system under test (i.e. temperature drop). Can someone help me understand the significance of this paper? (I'm particularly interested in the meaning and plausibility of so-called "information-powered devices".)(adsbygoogle = window.adsbygoogle || []).push({});

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# Does Maxwell's Demon violate the 2nd Law of Thermodynamics

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