Are we looking for ET all wrong?
Is looking for radio transmissions in space like claiming the lack of smoke signals means there are no modern humans? “[W]hat Fermi immediately realized was that the aliens have had more than enough time to pepper the Galaxy with their presence. But looking around, he didn’t see any clear indication that they’re out and about. This prompted Fermi to ask what was (to him) an obvious question: ‘where is everybody?’”