When you look at the calculation, it's amazing that every...

When you look at the calculation, it's amazing that every time you try to prove or disprove time travel, you've pushed Einstein's theory to the very limits where quantum effects must dominate. That's telling us that you really need a theory of everything to resolve this question. And the only candidate is string theory.

Michio Kaku Quote About Amazing, Candidate, Disprove, Effects, Limits: When You Look At The...

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