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2024-11-11

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submitted 2 months ago by [email protected] to c/[email protected]

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[–] [email protected] 1 points 2 months ago (1 children)

So photons only have no mass if they don't move? Do they even exist if they don't move?

[–] [email protected] 4 points 2 months ago (1 children)

Do they even exist if they don’t move?

No. Or, at least not from our point of view.

They only exist moving at the speed at light. All particles with no rest mass only exist moving at the speed of light.

[–] [email protected] 1 points 2 months ago* (last edited 2 months ago) (1 children)

So photons do have mass?

[–] [email protected] 3 points 2 months ago (1 children)

only as long as they exist

[–] [email protected] 1 points 2 months ago

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