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6min chapter
Cosmic Queries – Stoner Edition with Janna Levin
StarTalk Radio
How Do We Cut Space Time?
On paper, we know how to make a worm hole. We can take two cosmic strings and cross them in a very funny way that creates a kind of cut in space time. But the problem is they have to be infinitely long and take an infinite amount of energy. So there's never anything that seems compatible with the universita we live in. And even kirt godel first wen, who was friends with einstein,. used to walk to the institute for advanced study with him in the morning talk. He showed that you could travel in time in this peculiar space he invented. It was correct mathematically. But we just don't live in those kinds of ok, all we really
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