In nuclear energy jargon, "radiation" is often used as shorthand for "ionizing radiation": particles (alpha, beta, neutrons) or rays (gamma) emitted from the nucleus of an ...
Energy that travels through space in the form of waves. The highest frequencies in the spectrum of electromagnetic radiation are gamma-rays; the lowest frequencies are radio ...
The invisible electromagnetic radiation beyond the violet end of the spectrum of visible light, of wavelengths ranging, roughly, from 4000 down to 400 angstroms.
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