Fermi Paradox

Where are all the extraterrestrials, the ETs? We have lots of books and movies about them, but no evidence that any other intelligent life exists in the universe. This is the Fermi Paradox. The ETs should exist, but we have no evidence that they do. Why?

The Fermi Paradox — Where Are All The Aliens? (1/2)
The Fermi Paradox II — Solutions and Ideas – Where Are All The Aliens?
10 Unsettling Solutions to the Fermi Paradox
Why Can’t We See Evidence of Alien Life?
Where are all the aliens? | Stephen Webb
Fermi’s Paradox and the Psychology of Galactic Empires | Matthew O´Dowd | TEDxTUWien

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