Scientists are trying to figure out if time travel is even theoretically possible. If it is, it looks like it would take a whole lot more knowledge and resources than humans have now to do it.
Articles on Time travel paradox
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Theories exploring the possibility of time travel rely on the existence of types of matter and energy that we do not understand yet.
Scientifically speaking, for time travel to exist, so must parallel timelines. This theory addresses the paradoxes that arise when studying the possibility of time travel.
