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> ...alien civilizations are going to be either extremely more advanced than us, or extremely less advanced. Succinctly illustrated in http://xkcd.com/638/ ht
by dctoedt 15y ago
> ...alien civilizations are going to be either extremely more advanced than us, or extremely less advanced.
Succinctly illustrated in http://xkcd.com/638/ http://xkcd.com/638/