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submitted 7 months ago by kalkulat@lemmy.world to c/science@lemmy.world

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[–] MonkderVierte@lemmy.ml 1 points 7 months ago* (last edited 7 months ago) (1 children)

So photons do have mass?

[–] pyre@lemmy.world 3 points 7 months ago (1 children)

only as long as they exist

[–] MonkderVierte@lemmy.ml 1 points 7 months ago

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