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A · B · C · D · E · F · G · H · I · J · K · L · M · N · O · P · Q · R · S · T · U · V · W · X · Y · Z   entire Web this site electromagnetic radiation A traveling wave motion resulting from changing electric or magnetic fields. Familiar electromagnetic radiation range from X-rays and gamma rays of short wavelength, through the ultraviolet, visible, and infrared regions, to radar and radio waves of relatively long wavelength. Related categories    • BASIC SCIENCE Source: US NRC Also on this site: Encyclopedia of Science Transport Concepts & Designs (partner site) BACK TO TOP