Janna Levin: Black Holes, Wormholes, Aliens, Paradoxes & Extra Dimensions | Lex Fridman Podcast #468
Lex Fridman
The conversation begins with a deep dive into black holes, clarifying that they are not merely dense dead stars but fundamental regions of spacetime where nothing exists at the event horizon itself; rather, it is an empty surface marking a causal separation from which no information can escape. The …