anonymous17 comments on Timeless Beauty - Less Wrong

10 Post author: Eliezer_Yudkowsky 28 May 2008 04:32AM

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Comment author: anonymous17 28 May 2008 06:37:55PM 1 point [-]

Z. M. Davis:

Hard to say. I don't really see the difference between "time is 'just' a coรถrdinate in 3+1-dimensional spacetime" and "time really doesn't exist." ... something still has to account for our memories, and clocks, and the apparent changes in what we perceive: for things to be otherwise would be a violation of Egan's Law.

That something is the Second Law of Thermodynamics. The only arrow of time which is not explained by thermodynamics ( + quantum decoherence) + anthropic principle is a CP violation in certain subatomic interactions. Hopefully Eliezer's next post will explain this more clearly.