this post was submitted on 23 Oct 2025
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Science Memes

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[–] unrealMinotaur@sh.itjust.works 13 points 3 days ago (1 children)

Light is absorbed by materials and ultimately becomes heat.

[–] Triumph@fedia.io 5 points 3 days ago (1 children)

Doesn't everything ultimately become heat?

Yes, that is why it states "this is what peak thermodynamic performance." In electronics people are taught that no device is 100% efficient because energy is lost as heat. A heater is 100% efficient because everything becomes heat.