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Additional
radiation
English Wikipedia - The Free Encyclopedia
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Radiation
In
physics
,
radiation
is the emission or transmission of
energy
in the form of
waves
or
particles
through space or through a material medium. This includes:
electro-magnetic radiation
such as
radio waves
,
visible light
,
x-rays
, and
gamma radiation (γ)
particle radiation
such as
alpha radiation (α)
,
beta radiation (β)
, and
neutron radiation
(particles of non-zero rest energy)
acoustic
radiation such as
ultrasound
,
sound
, and
seismic waves
(dependent on a physical transmission medium)
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