Daily Archives: March 20, 2011

Swendsen in Am. J. Phys., “How physicists disagree on the meaning of entropy”

“Nobody really knows what entropy really is.”—John von Neumann. Contradictory opinions among practicing physicists on entropy: “The theory of probability (has nothing to do with/ is the basis of) statistical mechanics.” “The entropy of an ideal classical gas of distinguishable … Continue reading

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