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badosu
on June 2, 2019
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Ways to travel at nearly the speed of light
You come back around on a sphere too, e.g. traveling by the equator.
somab
on June 3, 2019
[–]
In that case you would be traveling a curved path so there would be acceleration even if your speed remained constant.
badosu
on June 3, 2019
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parent
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Isnt a torus curved? What's the argument?
somab
on June 5, 2019
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If you use toroidal boundary conditions then you could remain in an inertial reference frame and return back to the same pont.
See
https://en.m.wikipedia.org/wiki/Periodic_boundary_conditions
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