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Skye in front of her class teaching about vacuum fluctuations and the quantum uncertainty principle
@cazabon Haha she's happy to!
If you were serious...
In the early universe - probably the earliest part of the inflationary period - all the energy and matter in our observable universe was located within the then-very-small universe.
That sort of energy/matter density would obviously result in a singularity today.
Why didn't it then? Was spacetime "stiffer" prior to expansion, and so could support higher energy density without collapsing?
I've read a bunch of Hawking etc without much clarity [...]
... possibly the answer is obvious from the math, but my math never got beyond calculus with complex numbers, so it's always bugged me.