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#204 – Cumrun Vafa: String Theory
Lex Fridman Podcast
The Problem of Entropy in String Theory
Hawking had been studying black holes in mid-70s following the work of Beckenstein. He predicted that black hole must have an entropy. The puzzle was where are the degrees of freedom of the black hole hidden? The answer, hidden in the extra dimensions, the tiny extra dimensions. So then by this time, it was beginning to see aspects that extra dimensions are useful for many things. It wasn't to be kind of, you know, be ashamed of. It was actually in the welcome features, new feature, nevertheless.
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