Ep 133: Things that make you go mmmmmm? Part 1: Many Misconceptions
ToKCast
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General Relativity Is Not a Theory, Is It?
Theory in physics is testable, as long as it predicts at least one thing that you can go check. Parallel universes are not a theory, they're prediction from certain theories. A black whole isn't a theory either. It's a prediction from einstein's general relativity theory. And i wouldn't if, if, if general relativity makes a prediction of black holes and we never detect them, that's not a refutation of general relativity,. That could or could not be a problem. Of course, postulating thexistence of something and never finding it doesn't mean that thing doesn't exist. But let's say black holes didn't exist, andgeneral relativity was the only
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