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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 Make a Time Machine

I don't know if contact was the first movie to use wormholes to think people across the... And now every movie does it. So yeah. It's dark like a button, everybody else. But then I don't know whether it was you or your collaborators, but you began to realize that if you can travel across great distances of space, maybe you can also go backward in time. Yeah. This was something that if you had a wormhole, you could actually make it. The question became, what did the laws of physics say about this? Could you really do it? There comes in the key thing that things, if you're an engineer in a very advanced civilization and you

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