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Blackbody radiation refers to an object or system which absorbs all radiation incident upon it and re-radiates energy which is characteristic of this radiating system.
The story of the blackbody radiation and the ultraviolet catastrophe which eventually led to quantum mechanics.
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 ...
A good introductory page to this topic.
There's a lot of physics behind the simple firework. This blog post looks at temperatures, blackbody radiation and electron transfers.
Radiation can interact with surrounding matter to produce positively and negatively charged particles (a type of electricity). This process is called ionisation, hence the term ionizing radiation.
When moving charges spiral in a magnetic field, they produce radiation as a result of their accelerations which is called synchrotron radiation.
Units of radiation, description of risk of radiation, comparing old and new units with good links to other relevant parts of the site.
This fact sheet describes ionizing radiation, how it behaves and how it can affect human health. Three types of ionizing radiation are alpha particles, beta particles, and gamma rays.
A range of very good information on various radiation risks such as mobiles and power lines.
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