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xkcd #2933: Elementary Physics Paths
(imgs.xkcd.com)
Alt text:
==COSMOLOGY==> 'Uhhh ... how sure are we that everything is made of these?'
Cosmology you put enough mass in a small enough area it becomes a singularity.
Quantum mechanics information can't be destroyed to an unrecoverable state so singularities are impossible.
A big bang could recover it, you don't know. It's statistically possible and that's all that counts