A Brief History Of Time Travel

Is it possible to travel to the past?

Small forays into the future

We do not know if this is the case. The question is open and actively studied. What is the theoretical tinkering that might suggest going into the past is possible? Could it be that the Universe is banning it for some unknown reason? Physicists speculate on these questions not to travel to the past, but because thinking about them opens up perspectives …

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