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by oneshtein
883 days ago
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Physic is not random. If time traveller is here now, then it was here forever, because to be here at time T, it must be here at time T-1 too. Even if we develop a time machine to change Universe at time T, then change will propagate in both T+1 and T-1 directions. Timetravelers are our brothers and sisters. |
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If you believe in non-random deterministic universe then at T-1 (and always since big bang) traveler was already here in the shape of ancestors, just like at some point you existed in your mom and dad and before that in whatever big bang elements etc.
No energy is being added or removed in the system