Electromagnetic Radiation 13 : Radiation and Radiological Disasters. Radiation having no mass or charge. A traveling wave resulting from changing electric and/or magnetic fields. See Photon
Jefferson Lab, Radiation Worker Glossary, Newport News, VA, USA 2007. http://www.jlab.org/div_dept/train/rad_guide/gloss ary.html, (Rad Sfty, Prot and Cont - Amer) {1005}