Interference patterns like those produced by a two-slit experiment make sense to me when I imagine light as a wave, with peaks cancelling out troughs in some locations and two peaks adding together in other locations. What doesn't make sense to me is how the particle nature of light is explained ...

I've seen a lot of different different answers online so I just want a clarification. Electrons can absorb photons in 2 ways. The first way involves the electron cloud oscillating with the photon but emit it again without permanently absorbing it. The other way involves the electron cloud oscilla...