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physics ≠ magic
(lemmy.ca)
A place for majestic STEMLORD peacocking, as well as memes about the realities of working in a lab.
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Ah, it’s a photo of a mercury arc rectifier (which is more electrical engineering, maybe?), not, Cherenkov radiation.
"Mercury" and "arc" on the same sentence do really, really not make one imagine something that perfectly fine to use or be around in operation.