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Worth thinking about: This is precisely the type of thing that extremely advanced civilizations may produce after some time. Far-flung radio transmissions aren'
by hawkice 12y ago
Worth thinking about: This is precisely the type of thing that extremely advanced civilizations may produce after some time. Far-flung radio transmissions aren't the only waste byproduct we'd expect of those who build big things.
- quasar77 12y agoThis is exactly what I was going to state. Not that they're not communicating, it is us who are not paying attention.