Planck's law of black body radiation (3199 bytes)
1: ...T'' is given by the '''Planck's law of black body radiation''':
8: :''T'' is the [[temperature]] of the black body
21: ...rs have energy proportional to frequency, the new radiation law would fit all spectroscopic measurements.
25: ...lso plainly explained in his book "Theory of Heat Radiation" where he explains that his constant refers to He...
28: From the Planck's law of black body radiation we derive today the [[Stefan-Boltzmann law]].

Black body (5712 bytes)
1: ...ntensities and longer wavelengths. The black-body radiation graph is also compared with the classical model t...
2: ...spite the name, black bodies do produce [[thermal radiation]] such as light.
4: ...t emitted by a black body is called '''black-body radiation'''.
6: ...ion", or combined into one word, as in "blackbody radiation". The hyphenated and one-word forms should not ge...
8: ... a general curve can be drawn, and any black-body radiation will follow it. This curve depends only on the [...

Black-Body Theory and the Quantum Discontinuity (721 bytes)
1: '''Black-Body Theory and the Quantum Discontinuity''':''1894-19...
3: Black-Body Theory, published by [[University of Chicago]] Pr...
5: ...t his quantum treatment of the irreversibility of radiation, he still saw this work as a contribution to clas...

Radiation (1805 bytes)
1: '''Radiation''' generally means the transmission of objects or...
5: * [[Ionizing radiation]] is a stream of particles (photons or other part...
6: * [[Non-ionizing radiation]] does not have this sufficient energy.
7: ...ation]]: [[light]] is the visible form; [[thermal radiation]] is (usually) the [[heat]] form.
8: * [[Gravitational radiation]]

Radiation budget (1053 bytes)
1: The '''radiation budget''' represents the balance between incoming...
3: ...e [[Goddard Space Flight Center]] built the Earth Radiation Budget Satellite (ERBS) on which the first ERBE i...
8: ...asd-www.larc.nasa.gov/erbe/ASDerbe.html The Earth Radiation Budget Experiment (ERBE) Home Page]

Radiation scattering (1081 bytes)
1: ...t some distance away. As a result of scattering, radiation may be received at such a point from many directi...
3: ... observed non-uniform patterns of destruction and radiation. For nuclear bombs, the effect is especially str...
5: Another example of radiation scattering is [[gravitational lensing]]. This ef...

Radiation pressure (3384 bytes)
1: ...light. If the radiation is totally reflected, the radiation pressure is doubled.
3: ...ergy flux density of 1370 W/m², so the radiation pressure is 4.6 μPa (absorbed) (see also [[Cli...
5: The radiation pressure from the Sun against an absorbing sheet ...
7: ... very feeble, but can be detected by allowing the radiation to fall upon a delicately poised vane of reflecti...
9: ...nit volume within that sphere. For [[black body]] radiation, in [[equilibrium]] with the exposed surface, the...

Synchrotron radiation (607 bytes)
1: ...y [[relativity|relativistic]] speeds. Synchrotron radiation can be generated by astronomical structures and m...
4: ...nchrotron light]] for applications of syncrotron radiation and [[synchrotron]] for this type of particle acc...

Cyclotron radiation (2689 bytes)
1: ...ion of charged particles that causes them to emit radiation (and to spiral around the [[magnetic field]] line...
3: ...er]] in particular is a large source of cyclotron radiation.
5: ...h the earth's magnetic field to produce cyclotron radiation in the form of an [[electromagnetic pulse]] (EMP)...
7: Cyclotron radiation has a spectrum with its main spike at the
9: ...ds, cyclotron radiation is known as [[synchrotron radiation]].

Shortwave radiation (673 bytes)
1: '''Shortwave radiation''' is a term used to describe the [[radiant energ...
3: Compare this to [[longwave radiation]].
6: ...tion National Science Digital Library - Shortwave radiation]
7: ...SIRS)'']. A lesson plan that deals with shortwave radiation from the SIRS instrument.

Longwave radiation (362 bytes)
1: ...d 25 [[micrometer]]s. Compare this to [[shortwave radiation]].
4: ...ation National Science Digital Library - Longwave radiation]

Radiation poisoning (8763 bytes)
1: ...symptoms of radiation poisoning occur as ionizing radiation interferes with cell division. This interference ...
3: ...d by the relative biological effectiveness of the radiation to get the biological dose equivalent in [[Röntge...
5: ... so that the rad and rem are equivalent for those radiation sources.
8: ...e [[radiotherapy]]), and low levels of [[ionizing radiation]] have been shown to lower one's risk of cancer (...
10: ...[[dosimeter]]s to monitor their total exposure to radiation. These devices are more [[apropos]] than [[Geiger...

Gravitational radiation (11448 bytes)
1: In [[physics]], '''gravitational radiation''' is [[energy]] that is transmitted through [[wa...
5: ...lakes, etc. as ''Gravity waves.'' ''Gravitational radiation'' is the overall result of gravity waves in bulk ...
7: ...gravitational wave passes, much as the depth of a body of [[water]] will vary as a water wave passes. Mo...
13: ...he [[graviton]]. However, unlike electromagnetic radiation, there is no general accepted theory of [[quantum...
15: ...nalogues, such as the theory of [[electromagnetic radiation]], and; [2] Gravitational waves interact with eac...

Radiation pattern (1190 bytes)
1: In [[telecommunication]], the term '''radiation pattern''' has the following meanings:
5: ''Note:'' A [[radiation]] pattern is usually represented graphically for ...
9: ''Note 1:'' The [[near-field]] radiation pattern describes the [[radiant emittance]] (W&mi...
11: ''Note 2:'' The [[far-field]] radiation pattern describes the [[irradiance]] as a functio...
13: ''Note 3:'' The radiation pattern may be a function of the length of the fi...

Radiation mode (821 bytes)
1: For an [[optical fiber]], '''Radiation mode''', or '''unbound mode''', is an unbound [[m...
3: ...2π/λ, where λ is the wavelength. Radiation modes correspond to refracted rays in the termino...

Background radiation (4378 bytes)
1: ...s produced additional radiation. This background radiation comes from natural sources in the [[earth]], its ...
3: == Natural background radiation ==
5: ...adiation comes from three primary sources: cosmic radiation, external terrestrial sources, and radon.
7: ===Cosmic radiation===
9: ...ons]], and [[neutron]]s. The [[dose]] from cosmic radiation is largely from muons, neutrons, and electrons.

Adaptive radiation (2497 bytes)
1: '''Adaptive radiation''' describes the rapid [[speciation]] of a single...
3: Adaptive radiation often occurs when a species is introduced to a ne...
5: The dynamics of adaptive radiation is such that, within a relatively short time, man...
7: There are three basic types of adaptive radiation. They are :
9: ... the environmental change. An example of adaptive radiation as the result of an environmental change is the r...

Radiation hardened (2180 bytes)
1: ...sign challenges. A single [[charged particle]] of radiation can knock thousands of [[electron]]s loose, causi...
3: ...ive development and testing required to produce a radiation resistant design.

Radiation trooper (1033 bytes)
1: ...dly enviroments. The [[Empire]] deploys them into radiation-filled zones that contain assets the [[Empire]] w...
4: ...anization/radtroopers/eu.html More Information on Radiation Troopers]

Evolutionary radiation (1810 bytes)
3: ...al splits occurred during the [[Cretaceous]], a [[radiation]] of therian mammals was then underway.
5: ...North American [[fossil]] record. '''Evolutionary radiations''' only may involve changes through time in the ...
7: ...ar [[trend]]s through time in the distribution of body [[mass]], the most [[ecological]]ly important [[m...
9: ... that there was an early [[Cenozoic]] mammalian [[radiation]] is a firm statistical inference that is entirel...

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