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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 Travel Through a Black Hole

If I fall into one of these black holes, can I travel across the universe? Almost certainly not. We had no idea about this until we saw some of this in simulations and then started thinking about it theoretically. And so you want to use a wormhole, a hypothetical object that is somewhat similar to a black hole in the sense that it has a spherical mouth. You can travel in and back out and you go through it and it leads to another place in the universe.

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