this post was submitted on 09 Oct 2024

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Scientists Simulate Alien Civilizations, Find They Keep Dying From Climate Change (futurism.com)

submitted 10 months ago by Espiritdescali@futurology.today to c/futurology@futurology.today

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[–] YeetPics@mander.xyz -4 points 10 months ago (1 children)

Nothing in the universe has an efficiency over 100%.

[–] CanadaPlus@lemmy.sdf.org 6 points 10 months ago* (last edited 10 months ago)

Depends how you define it. Heat exchangers do, because it's defined for them in terms of heat moved per heat generated. All conservation laws are still respected.