The photon is a wave. All fundamental particles are waves. Do not listen to people who tell you there is a wave-particle duality.
Waves of what? Waves of probability distributions.
Wtf does that mean?
It means that what is more fundamental about reality is that particles are this “wavy” thing, and when you look at it, it will appear as a particle with large probability where the wave is large, and low probability where the wave is low.
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