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Mar 12, 2013 at 20:34 comment added Silviu This is the same as the info from Wikipedia from the link in the question.
Mar 12, 2013 at 16:05 comment added raindrop math.ucr.edu/home/baez/physics/Quantum/see_a_photon.html
Mar 12, 2013 at 12:25 history answered Alexei Boulbitch CC BY-SA 3.0