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electromagnetic radiation

   Also found in: Dictionary/thesaurus, Acronyms, Encyclopedia, Wikipedia, Hutchinson 0.01 sec.
e·lec·tro·mag·net·ic radiation (-lktr-mg-ntk)
n.
Radiation originating in a varying electromagnetic field, such as visible light, radio waves, x-rays, and gamma rays.
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The case for anthropogenic global warming necessarily rests upon the presumptions that (1) the sun is an isotropic and isochronous radiator, and (2) that the energy density of space, filled with electromagnetic radiation across the entire electromagnetic spectrum from trillions of cosmic radiators, is a constant.
Global warming by Muhlenberg, John D.S. / The New American
And the device works only for microwaves, not for visible light or any other kind of electromagnetic radiation.
Invisibility ring by Gramling, Carolyn / Science News for Kids
In recent studies, several teams have proposed rigid shells or walls--invisibility shields--that would interact with electromagnetic radiation in new ways.
Out of sight: physicists get serious about invisibility shields by Weiss, Peter / Science News
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