this post was submitted on 16 Oct 2025
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LinkedinLunatics

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Free energy mod! (startrek.website)
submitted 3 months ago by Steve@startrek.website to c/linkedinlunatics@sh.itjust.works
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[–] Wild_Mastic@lemmy.world 10 points 3 months ago* (last edited 3 months ago)

Yeah, it's called a dynamo, used for decades for powering headlamps on bikes before small batteries and LED lights. Still, the energy generated is pretty small.