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| Topic | How do you think civilization will end? |
| captpackrat 05/19/19 3:10:35 PM #23: | Vacuum decay. A bubble of lower-energy vacuum could come to exist by chance or otherwise in our universe, and catalyze the conversion of our universe to a lower energy state in a volume expanding at nearly the speed of light, destroying all of the observable universe without forewarning. ... Copied to Clipboard! |
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