Eli5: how come photon doesn’t have mass?
In: Physics
Some particles (quarks and leptons) have mass because they interact with the Higgs field, they make up all physical things. Some particles (bosons) have no mass because they don’t interact with the Higgs field. They are called “force carriers” because they exert forces on matter particles. Photons (which are bosons) exert forces on electrons (which are leptons.)
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