books a photon is a unit of light quantum
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# Photon polarization
# Photon energy
# multi-photon dissociation
# ambient photon
# Photon production
# Photon detection
# Photon in Western countries
# Photon in a vacuum
# How is a photon created?
# photon momentum
# Photon-dominated regions
# Who was the first to use the word photon?
# The momentum of photons in quantum mechanics
# Interaction between a photon and an atom
# Two-photon absorption
# Photon Zillion Red
# photon missile
# Photon measurement
# Motorola Photon Mobile
# Photon emission curve
