Lex Fridman Podcast
#428 – Sean Carroll: General Relativity, Quantum Mechanics, Black Holes & Aliens
Sean Carroll
It's best to think of a black hole as not an object so much as a region of spacetime, okay? It's a region with the property, at least in classical general relativity. Quantum mechanics makes everything harder, but let's imagine we're being classical for the moment. It's a region of spacetime with the property that if you enter, you can't leave.
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