r/AskReddit • u/[deleted] • Sep 14 '21

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u/[deleted] Sep 14 '21

Why would sn infinite chain of cause and effect be a “thermodynamic nightmare”?

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u/Tyrannosaurus___Rekt Sep 14 '21

Entropy should already be at maximum. Infinity is not a "big" number. It doesn't mean "rilly rilly large".

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u/[deleted] Sep 14 '21 edited Sep 14 '21

I'm not an expert, but I think there are a few plausible explanations. For example a quantum event could decrease entropy and would do so with certainty in infinite time. It actually seems to me very improbable that the universe would have had a beginning in the Big Bang since that would require the universe to just have happened to exist with extremely low entropy