Physicist says you can time travel all you want, but the universe won’t let you change things

A physics student at the University of Queensland recently published a paper indicating they’d ‘squared’ the math when it comes to time-travel. Not only should it theoretically be possible to travel back in time, according to the numbers, but you could do whatever you want without making any fundamental changes to the present. In other words: the ‘paradox of time travel‘ may not be real. The problem goes like this: your eccentric old scientist buddy turns a DeLorean into a time machine. Before he can teach you how to use it properly, he’s murdered by terrorists. While fleeing the scene…

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