Even though, to our knowledge, time travel has not yet been accomplished, scientists are nonetheless fascinated by the idea of it being theoretically feasible. Moving through time poses many challenges to the fundamental laws of the universe, as depicted in films like The Terminator, Donnie Darko, Back to the Future, and many others. For instance, if you Travel through time and prevent your parents from meeting, how can you possibly exist to Travel through time in the first place? The “grandfather paradox” is a major brainteaser, but in September of last year Germain Tobar, an Australian physics student, said he had figured out how to “square the numbers” to make time travel possible without the paradoxes. According to classical dynamics, knowing a system’s state at a certain moment may provide information about the system’s whole History , Tobar said in September 2020. “However, Einstein’s theory of general relativity predicts the existe...
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