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Rigorous Science What will it cost me to travel through Time? (Part 1: Travelling forwards in Time - Time Dilation)

There are many questions on Worldbuilding about what item(s) a time traveller should take back in time in order to alter past events or even simply to survive. There has never as far as I know bee...

1 answer  ·  posted 6y ago by chasly from UK‭  ·  last activity 6y ago by chasly from UK‭

Question space-travel time-travel energy