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• well, quantum mechanics do deal with massless particles (although some have recently been discovered to have tiny masses) but not in a space filling sense, in fact considering EMPTY (really, really empty) space is essencial to quantum mechanics, aft…

  in Does quantum mechanics deal with massles particle as opposed with particle masses? Comment by pablogrb June 2021
• well, quantum mechanics do deal with massless particles (although some have recently been discovered to have tiny masses) but not in a space filling sense, in fact considering EMPTY (really, really empty) space is essencial to quantum mechanics, aft…

  in Does quantum mechanics deal with massles particle as opposed with particle masses? Comment by pablogrb May 2021