this post was submitted on 13 Nov 2023
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submitted 1 year ago* (last edited 1 year ago) by [email protected] to c/whitepeopletwitter
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[–] [email protected] 1 points 1 year ago

Wasted energy isn't just heat, it also includes chemical energy (chemical bonds), kinetic energy (noise and vibration), activation energy (chemical reactions), and light.

So a lamp that heats up the room but also makes noise is not using its energy 100% efficiently. Because the noise is not wanted.