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An animation to illustrate the relations between the electric field, magnetic field and wave vector when an electromagnetic wave propagates through space.
The story of the blackbody radiation and the ultraviolet catastrophe which eventually led to quantum mechanics.
Scientists have found more cataracts caused by radiation in birds near the Chernobyl site.
A good overview on the basics of radioactivity : the different types of radiation, sources, uses, dangers of radioactivity etc
How does ionising radiation affect people, what risks arise from radiation exposure, and how can such risks be minimised? These question and more are addressed on this excellent site all about ...
A good website explaining ionizing radiation from the World Health Organisation
An introduction to ionising radiation and the measurement standards involved.
Page talking about intensity of radiation in roentgens and use with X -ray machines.
A description of Hawking radiation, which, theoretically, causes black holes to shrink.
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 ...
Showing 31 - 40 of 124