Friday 16 August 2019

thermodynamics - Traveling Back in Time at the End of the Universe



I apologize if this question may seem fantastical.


Since the heat death of universe is said to be inevitable, is it possible to travel back in time to a younger universe when the time comes? Is that physically possible (assuming time travel is possible)? Would that break any entropy laws as you can essentially do this indefinitely and thus extend the life of the universe in extension to yourself?




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