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A uniform background radiation in the microwave region of the spectrum is observed in all directions in the sky. It shows the wavelength dependence of a "black body" radiator at about 3 Kelvins ...
A basic explanation of Cherenkov Radiation from Encyclopedia Britannica.
A very specialized high level site from the German laboratory for the study of electromagnetic fields and microwave electronics
A brief description of how Nuclear Radiation works from HowStuffWorks.com. Covering atomic structure, particles, radioactive decay, applications, naturally occurring isotopes.
In order to explain the frequency distribution of radiation from a hot cavity (blackbody radiation) Planck proposed the ad hoc assumption that the radiant energy could exist only in discrete quanta ...
Introduction to nuclear radiation, from howstuffworks.com.
A simple chart illustrating the ionising radiation dose a person can receive from various different sources.
Definition and units of absorbed dose and the biological effectiveness of radiation.
The Planck radiation formula is an example of the distribution of energy according to Bose-Einstein statistics.
NASA's Cosmic Background Explorer satellite was launched to explore the cosmic microwave background radiation. It has discovered fluctuations in that radiation which are important to big bang ...
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