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POPSHow did the Universe Begin ? The no-boundary wave function also states that space-time was not what we see today at the outset of universal expansion. “When the universe started out,” Hartle explains, “there wasn’t ordinary space-time. Instead of three space directions, as we have now, there were four space directions. At some point, a transition was made to ordinary space-time.”
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POPSMessed up family tree If my wife is my grandmother, Then I am her grandchild. And every time I think of it, It simply drives me wild. For now I have become The strangest case you ever saw. As the husband of my grandmother, I am my own grandpa.
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