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Re: Negative Time
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RichD
Jul 31, 2008, 7:35:22 PM7/31/08
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On Jul 31, kronec...@yahoo.co.uk wrote:
> how do we know that time runs positive? By this I mean..could there be
> another universe where time runs in the other direction from us? By
> this I mean in sign only.. not that events would run backwards.
> how do we know that time runs positive? By this I mean..could there be
> another universe where time runs in the other direction from us? By
> this I mean in sign only.. not that events would run backwards.
Sure, any universe experiencing the Big
Crunch... as the universe collapses, the
phase space shrinks, which means entropy
decreases, and time's arrow reverses.
--
Rich
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