Why have we not found smart life? (Fermi’s Paradox and the Great Filter)

With the Drake equation we can use this to calculate how many civilizations could exist in our Milky Way (and by extension, in the observable universe). But if there are other civilizations out there, why haven’t we seen a trace of them? As Enrico Fermi put it, the belief that there are numerous intelligent civilizations… Continue reading Why have we not found smart life? (Fermi’s Paradox and the Great Filter)