Wasn’t the Dyson Sphere originally envisioned as a means of hiding from malevolent aliens?
Freeman Dyson’s spheres? Don’t believe so. Never read anything by the man, so I’m not positive about that.
Wasn’t the Dyson Sphere originally envisioned as a means of hiding from malevolent aliens?
You are thinking of a “fortress world”, where you take a planet like earth surround it with a “shell” that looks like the cratered surface of the moon and pump the air from above the shell into the lower levels to leave it a “lifeless airless surface” which has nano solar cells in the “dust” in the above cratered “surface” while you use artifical lighting below in the livable layer to keep all the plants and animals and oceans comfortable.
While building this around a palent like earth you would broadcast “interstellar propaganda” that would make it seem like you have two factions looking to nuke each other and before you “go silent” you detonate a few thousand nukes to irradiate the new “surface” as an added deterrent.
It basically is a expensive version of living underground to avoid the horde looking to colonize your planet preemtively...
We would only consider this if we were really paranoid about an invasion or if we started receiving boradcasts from another race being taken over by another alien armada or got enough lead time to do such a solution....
Who knows, maybe the first thing intelligent species do is hide themselves once they realize how plentiful life actually is inthe universe....
Wasn’t the Dyson Sphere originally envisioned as a means of hiding from malevolent aliens?
Dysone Spheres actually “Scream” out to aliens!! Dysone speheres are most visible in the IR range and would actuallybe very easy to detect as they would stick out like a sore thumb in the infared spectrum compared to natural sources of IR.
Which is why SETI is looking for them, because they would be very easy to detect...