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I thought Dyson sphere will emit enormous radiation anyway? Like how do you convert photons into electricity and use that electricity afterwards with 100% efficiency? Is it even theoretically possible? There should be lots of heat emitted as infrared light.



Hard to fathom what engineering a civilization like that might be capable of, maybe it would emit extremely hard to detect radio noise.


A dyson swarm is nothing difficult to achieve. All you need is the ability to put satellite into orbit. That's the minimum. The other part is mass manufacturing them.


How much energy and material is needed to manufacture, launch, position, maintain, and then leverage a Dyson swarm?




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