this post was submitted on 14 Apr 2024
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But what if the absence of the atoms of your body affects how the universe collapses and in turn expands?
If you've already done six impossible things today, why not stop for breakfast at Milliways?
then you’re in for a fun surprise
If the universe is cyclic, then the version of you from the previous one is also jumping to a time before when you left. It works if the board gets reset to the exact same position and true randomness doesn't exist. We're talking down to the electron scatter of radioactive decay.
If the universe is cyclic, then that would define it as a closed loop without any energy being removed or added. The very first instance of yourself traveling through time would break the loop by removing themselves from their iteration of the universe and reinsert into a future iteration. During those two points, the universe would now function with a deficit. This deficit could affect how it cycles to subsequent iterations.
What if that discrepancy in energy affects when the universe starts to contract or it's speed to the big crunch/bang and subsequently the time to, and speed of expansion. Maybe it could even prevent the big crunch from reaching critical mass, where it would normally trigger a big bang, and stop the cycle altogether.