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Adam Brown | Cosmology, Inflation and Black Holes

Foresight Institute Radio

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Can You Build a Time Machine Using a Spinning Black Hole?

According to physics, as we currently understand it, we cannot build a time machine from a spinning black hole. There are speculative theories of physics that would permit you to construct a time machine in various ways. And some of the ingredients are in both highly spinning black holes. So there's questions about mining black holes in that that I'll get to at the end. The last question is going to be how strong do you think the evidence is for the actual existence of black holes in our universe?

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