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Sean Carroll: Quantum Mechanics and the Many-Worlds Interpretation
Lex Fridman Podcast
Is There a Need for Quantizing Gravity?
Holography is this idea when you have a black hole and black hole is a region of space inside of which gravity is so strong that you can't escape. There seems to be one way of thinking about what happens inside a black hole as seen by an observer who's falling in, which is actually pretty normal. But from the point of view of the outside observer, it seems like all the information that fell in is actually smeared over the horizon in a non-local way. Still trying to deal with that. It's an indication that we need to think a little bit more subtly when we quantize gravity. We're just beginning now to face up to the dramatic implications of
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