Maybe time’s arrow needs ergodicity as well as entropy

By Tom Siegfried, 12:10 PM April 1, 2014

For a technical scientific term, entropy is pretty popular. I mean, it was the title of an episode of Buffy the Vampire Slayer, after all. Search the Internet for “entropy” quotes and you’ll find them by everybody from Anton Chekhov and Vaclav Havel to Frank Herbert and Philip K. Dick.

What’s more, a fair number of ordinary citizens even have a roughly correct notion of what entropy means. But understanding entropy more deeply is not so simple. For that, you need to master a related vocabulary...

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