CaveDave@mcc I remember being in a Facebook group of Physics student memes during my Physics Bachelor's and at some point someone innocently asked "What is spin?" wanting a genuine answer but the entire group got dumbfounded when they realised that there's no coherent explanation for it and it became an inside joke/meme in the group for months.
"What is spin? Oh, it's the angular momentum of a particle but not really."
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