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Radiation is a process in which a body emits energy that propagates through a medium, or through empty space, to be absorbed by other bodies. Radiation may also refer to:
- Electromagnetic radiation, radiation that takes the form of a self-propagating wave of electric and magnetic fields, including such phenomena as radio waves and visible light
- Gravitational radiation, radiation that takes the form of gravitational waves, or ripples in the curvature of spacetime.
- Ionizing radiation, radiation that is of high enough energy to cause atoms to lose or gain electrons, rendering molecules, such as proteins, incapable of functioning
- Nuclear radiation, radiation, especially ionizing radiation, that emanates from nuclear processes such as radioactive decay
- Thermal radiation, electromagnetic radiation that emanates from every object above absolute zero, in proportion to the fourth power of the temperature of the object
- Synchrotron radiation, also called a synchrotron light source, electromagnetic radiation generated by the acceleration of fast moving charged particles through magnetic fields
- Radiation therapy, also called radiotherapy, a medical treatment that involves exposing part or all of the body to a controlled amount of ionizing radiation
- Radiation poisoning, a form of damage to organ tissue due to excessive exposure to ionizing radiation
- Radiation, characteristics of an affliction, such as pain, to spread to other parts of the body than the origin
- Evolutionary radiation, a diversification into several lineages from a common ancestor
- Adaptive radiation, an evolutionary radiation to fill many ecological niches
- Intentional radiator, radio waves that are produced by an electronic device as a necessary part of its function, such as those produced by a radio transmitter
- Unintentional radiator, undesirable radio waves that are produced by an electronic device, such as a computer or video game console, as a consequence of its design
Music and arts
- Radiation (album), released in 1998, the tenth studio album by the British progressive rock band Marillion
- Roddy Radiation, stage name of Roddy Byers (born 1955), English musician
- A pseudonym of Toby Fox, composer for the webcomic Homestuck and creator of the video game Undertale
- "Radiation", a 1997 song by Feeder, from the album Polythene
|This disambiguation page lists articles associated with the title Radiation.
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