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submitted 2 years ago by kalkulat@lemmy.world to c/science@lemmy.world

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[–] MonkderVierte@lemmy.ml 1 points 2 years ago* (last edited 2 years ago) (1 children)

So photons do have mass?

[–] pyre@lemmy.world 3 points 2 years ago (1 children)

only as long as they exist

[–] MonkderVierte@lemmy.ml 1 points 2 years ago

Else they don't. We are talking quantum here.