We have to admit, some scientific theories can give us nightmares. Are you familiar with these?
The False Vacuum, Great Filter, Brain in a Vat, Higher Dimensional Beings, and Fermi Paradox – the more you think about those, the weirder and more probable they sound.
According to the Fermi Paradox theory, for example, Earth should already have been visited by extraterrestrial aliens even though we see no evidence of that. So, what if we just can’t see them?