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What proof is there of the multiverse?
(sh.itjust.works)
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this post was submitted on 03 Aug 2025
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You're asking a couple different questions at once...
But basically assume that there are multiple (maybe infinite) big bangs, and each time that happens, the resulting universe has its own laws of physics. We wouldn't see slight changes, things would be drastically different, but since they keep popping up. Eventually we'll see every permeation happen. Including identical everything to ours, but just one random difference that created the TV version of alternate realities.
You might think entropy prevents that, but "entropy can't be reversed" is less a fact and more "the simplified version laypeople are told in science class".
And a different option would be that rather than one straight line of time, any possible choice can branch and create its own timeline that can then branch, etc.
And that might seem like we're "stuck" but nothing in physics even requires one way direction of time. The only reason we need to perceive it in only that way, is without linear time consciousness couldn't happen. Without cause and effect, consciousness can't exist