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Lex Fridman
In this episode of the Lex Fridman Podcast, theoretical physicist Cumrun Vafa discusses string theory, a framework attempting to unify quantum mechanics and general relativity by describing fundamental particles not as points but as vibrating strings in ten or more dimensions. While string theory wa …
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 …