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Leonard Susskind: Quantum Mechanics, String Theory, and Black Holes
Lex Fridman Podcast
Is String Theory a Tool to Think About Our Nature in Multiple Dimensions?
As a tool, is it useful to think about our nature in multiple dimensions, the strings vibrating? I'll tell you what the main user has been, up till now. Its value is that it's mathematically rigorous in many ways and enabled us to find mathematical structures which have both quantum mechanics and gravity. With rigor, we can test out ideas. We can't test them in the laboratory. The objects of gravitation are 19 orders of magnitude smaller than a proton. But we can test them out mathematically and analyze their internal consistency. That's not a small thing. It's a huge thing. Einstein will be proud. If he was appalled by it, he might
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