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24 | Kip Thorne on Gravitational Waves, Time Travel, and Interstellar

Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas

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How to Deal With Paradoxes

LIGO physicist JoJo Koyama says time travel is not a paradox. quantum physics has a solution to get around this, he says. "You're just using quantum mechanics to find the one consistent, most probable trajectory that actually happens" LIGO will study gravitational waves for more than two years.

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