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Photon
antiparticles
Antimatter
Elementary Particles
bosons
classification as elementary particle
description of photons
early theory and research, brief overview of
experimentally known elementary particles (table)
formation by electron and positron destruction
free photons in the early universe
high and low energy levels of atoms
lasers
light as particle
momentum
particle traps
quantum electrodynamics
quantum theory
role in energy level of electrons
solar energy
spectroscopic study
study by astronomers
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