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user 310262
A concept related to the asymmetry of time, usually related to the second law of thermodynamics, which says that entropy always either increases or stays the same.
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Does Another Universe Where Time Runs Backwards Revive the Idea of a Cyclical Universe?
An interesting idea is that at the Big Bang positive matter went forwards, and negative matter went backwards, but time is circular, so we'll meet again.
Since most of space is pretty empty, a collisi …
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Does Another Universe Where Time Runs Backwards Revive the Idea of a Cyclical Universe?
The problem with mirrors in this situation is the question of energy.
What one person might be doing in a situation might be the mirror image of what another is doing, but is the energy the same? In …