Solution to the Grandfather Paradox
What if you went back in time and killed your own grandfather? Would you still be born? Or would you have thus killed yourself? Thanks to Google #sciencegoals for sponsoring this video! Link...
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As far as we know, time only moves in one direction – forward – but if you couldloop back to visit the universe at an earlier point in time, a famous paradox arises. Whatif you killed your grandfather when he was a child? Then your father or mother wouldn'thave been born, so you wouldn't have been born, so you wouldn't have been able to goback in time to kill your grandfather in the first place. Paradox.The simplest resolution to the grandfather paradox is that when you go back in time,you're actually not going back into your own history but to a copy, and everything youdo there influences the new alternate future of that universe, not your own past. But that'sboring, because it just avoids the paradox.If what you do when yo...
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As far as we know, time only moves in one direction – forward – but if you couldloop back to visit the universe at an earlier point in time, a famous paradox arises. Whatif you killed your grandfather when he was a child? Then your father or mother wouldn'thave been born, so you wouldn't have been born, so you wouldn't have been able to goback in time to kill your grandfather in the first place. Paradox.The simplest resolution to the grandfather paradox is that when you go back in time,you're actually not going back into your own history but to a copy, and everything youdo there influences the new alternate future of that universe, not your own past. But that'sboring, because it just avoids the paradox.If what you do when yo...
