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Expantionist civilizations would go in many directions at once, they wouldn't be destroyed by one of their expedtion encountering someone else. They don't need
by jobigoud 5y ago
Expantionist civilizations would go in many directions at once, they wouldn't be destroyed by one of their expedtion encountering someone else.
They don't need to visit us, we should see some traces of activity from afar.
- jiggawatts 5y ago> we should see some traces of activity from afar. There is no reason to think that. Even a nuclear war of epic proportions would be a mere spark against the incandescent floodlights of the stars. Additionally, our own technological advancement suggests that miniaturisation, nanotech, and efficiency are the direction long-term, not mega-projects.
- ncmncm 5y ago"Engulf" is a radically different process from "expedition", so this is not responsive. In just a few years, telescopes in space with coordinated mirrors miles apart will have the resolution to see details at interstellar distance. Until then, anything going on even quite nearby would be vanishingly unlikely to be picked up.