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Science
In reply to the discussion: Bill Nye's Answer to the Fermi Paradox [View all]marble falls
(57,014 posts)34. Maybe they're out there but we scare the bejeebers out of them?
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All our communications methods consist of using the electromagnetic spectrum.
LiberalArkie
Feb 2018
#1
Sorry, out was the only thing that came to mind that fit "they might not use the same
LiberalArkie
Feb 2018
#8
Your digital TV can not pick up the old analog signals. Your digital TV would
LiberalArkie
Feb 2018
#9
I don't think it's inevitable that a technological civilization will destroy itself before .........
LongTomH
Feb 2018
#12
If we, as a species, continue to evolve, then it will be our evolutionary successors.
LongTomH
Feb 2018
#17
And in those 200 million years what, exactly, have alligators accomplished?
PoindexterOglethorpe
Feb 2018
#25
Not as simple as just tuning to the specific frequency, but to be able to decode the information.
SeattleVet
Feb 2018
#31
The first problem is that this is not so much a paradox as a question...
TreasonousBastard
Feb 2018
#15
Tight beam communications, like lasers or masers, are more efficient. Broadcast is wasteful.
tclambert
Feb 2018
#23
That doesn't seem to me to be a paradox at all considering the vastness and distances of space.
brush
Feb 2018
#27
The sheer size of the Universe makes it very difficult to receive signals from other civilizations.
world wide wally
Feb 2018
#36