Still my favorite definition of an irreversible process: "Make a movie of it. Run the movie backwards and show it to an audience. If the audience laughs then it's an irreversible process." -Richard P. Feynman
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Still my favorite definition of an irreversible process: "Make a movie of it. Run the movie backwards and show it to an audience. If the audience laughs then it's an irreversible process." -Richard P. Feynman
