I’ve watched multiple YouTube videos and read a couple things online and now I have a headache. It still doesn’t make sense to me.
If photons have volume, then there can only be a finite number of photons in a given space, right? And once that limit is reached, why can’t I squeeze in one more photon? What is stopping me, the “walls” or “shell” of the photons? What are the walls/shells made of?
Every source I’ve looked at agrees that light is BOTH a wave AND a particle. I can understand why waves don’t have mass, but then what the hell is a “particle”? Every other elementary particle like quarks have mass, right?
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Don’t be mislead by the term “particle”. It’s giving you a picture of a photon of light like a tiny little ball, which doesn’t really work (for anything in the quantum realm, really).
Particle in this case more means that photons are a packet of energy that can only interact all at once. It’s still a vibration in the electromagnetic field even when it’s interacting as that packet. and just like a water wave, two photons can pass through the same location at the same time without an issue.
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