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Is Space Time Tethered?
Physicists are finding beyond space time, have that kind of tethering. They show precisely how you start with an amplitudehedron and how you project this high dimensional structure into the four dimensions of space time. So they're doing the same thing with the cosmological polytopes. This is what they're doing is unbelievably complicated and brilliant and adventurous. It's all those things. I'm not putting them down.