Radiation
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| In [[physics]], ''radiation'' is a process in which [[energy|energetic]] particles or energy or waves travel through a medium or space. There are two distinct types of '''radiation'''; [[ionizing radiation|ionizing]] and non-ionizing. The word ''radiation'' is commonly used in reference to ionizing radiation only (i.e., having sufficient energy to ionize an atom), but it may also refer to non-ionizing radiation (e.g., [[radio waves]] or [[light|visible light]]). The energy ''radiates'' (i.e., travels outward in straight lines in all directions) from its source. This geometry naturally leads to a system of [[radiometry|measurements and physical units]] that are equally applicable to all types of radiation. Both ionizing and non-ionizing radiation can be harmful to [[organisms]] and can result in changes to the [[natural environment]]. | In [[physics]], ''radiation'' is a process in which [[energy|energetic]] particles or energy or waves travel through a medium or space. There are two distinct types of '''radiation'''; [[ionizing radiation|ionizing]] and non-ionizing. The word ''radiation'' is commonly used in reference to ionizing radiation only (i.e., having sufficient energy to ionize an atom), but it may also refer to non-ionizing radiation (e.g., [[radio waves]] or [[light|visible light]]). The energy ''radiates'' (i.e., travels outward in straight lines in all directions) from its source. This geometry naturally leads to a system of [[radiometry|measurements and physical units]] that are equally applicable to all types of radiation. Both ionizing and non-ionizing radiation can be harmful to [[organisms]] and can result in changes to the [[natural environment]]. | ||
| + | ==See also== | ||
| + | *[[Background radiation]], which actually refers to the background ionizing radiation | ||
| + | *[[Čerenkov radiation]] | ||
| + | *[[Cosmic microwave background radiation]], 3 [[kelvin|K]] [[blackbody radiation]] that fills the [[Universe]] | ||
| + | *[[Electromagnetic spectrum]] | ||
| + | *[[Hawking radiation]] | ||
| + | *[[Ionizing radiation]] | ||
| + | *[[Banana equivalent dose]] | ||
| + | *[[Non-ionizing radiation]] | ||
| + | *[[Radiant energy]], radiation by a source into the surrounding environment. | ||
| + | *[[Radiation damage]] – adverse effects on materials and devices | ||
| + | *[[Radiation hardening]] – making devices resistant to failure in high radiation environments | ||
| + | *[[Radiation hormesis]] – dosage threshold damage theory | ||
| + | *[[Radiation poisoning]] – adverse effects on life forms | ||
| + | *[[Radiation properties]] | ||
| + | *[[Radioactive contamination]] | ||
| + | *[[Radioactive decay]] | ||
| + | *[[Radiation Protection Convention, 1960]] – by [[International Labour Organization]] | ||
| + | |||
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In physics, radiation is a process in which energetic particles or energy or waves travel through a medium or space. There are two distinct types of radiation; ionizing and non-ionizing. The word radiation is commonly used in reference to ionizing radiation only (i.e., having sufficient energy to ionize an atom), but it may also refer to non-ionizing radiation (e.g., radio waves or visible light). The energy radiates (i.e., travels outward in straight lines in all directions) from its source. This geometry naturally leads to a system of measurements and physical units that are equally applicable to all types of radiation. Both ionizing and non-ionizing radiation can be harmful to organisms and can result in changes to the natural environment.
See also
- Background radiation, which actually refers to the background ionizing radiation
- Čerenkov radiation
- Cosmic microwave background radiation, 3 K blackbody radiation that fills the Universe
- Electromagnetic spectrum
- Hawking radiation
- Ionizing radiation
- Banana equivalent dose
- Non-ionizing radiation
- Radiant energy, radiation by a source into the surrounding environment.
- Radiation damage – adverse effects on materials and devices
- Radiation hardening – making devices resistant to failure in high radiation environments
- Radiation hormesis – dosage threshold damage theory
- Radiation poisoning – adverse effects on life forms
- Radiation properties
- Radioactive contamination
- Radioactive decay
- Radiation Protection Convention, 1960 – by International Labour Organization
Unless indicated otherwise, the text in this article is either based on Wikipedia article "Radiation" or another language Wikipedia page thereof used under the terms of the GNU Free Documentation License; or on research by Jahsonic and friends. See Art and Popular Culture's copyright notice.
