this post was submitted on 31 Mar 2025
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China plans to build enormous solar array in space — and it could collect more energy in a year than 'all the oil on Earth' (www.livescience.com)
submitted 1 month ago by yogthos@lemmygrad.ml to c/sino@hexbear.net
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[–] egonallanon@lemm.ee 19 points 1 month ago* (last edited 1 month ago) (3 children)

I'd love to see what amount of that energy they expect to get back to earth as for what I understand is the the efficiencies for sending energy back like this is atrocious.

[–] WizardOfLoneliness@hexbear.net 20 points 1 month ago

Even if it's an absurdly low % of energy collected, guess what, it's constant and practically infinite on a human timescale

[–] CrawlMarks@hexbear.net 3 points 1 month ago* (last edited 1 month ago)

Then they can just buld a bigger one. For free energy it is worth scrapping a few cruse ships worth of steel. The savings on decreased lung cancer would more than pay for it.

[–] markinov@lemmygrad.ml 1 points 1 month ago

NASA has already done research on efficiency, cost etc