Question

during partial reflection through a glass,some the light is reflected while others are refracted through the glass.....how did the photon decide for themselves which one to reflect off from the surface and which one to refract through the surface.........it's a pretty hard one...but try..............or wait for my answer

Answer 1

QED

Answer 2

http://en.wikipedia.org/wiki/Quantum_electrodynamics

Answer 3

http://video.google.com/videoplay?docid=1501838765715417418

Having Feynman explain it is infinitely better if you have the 1:30 hours