The energy that radiates from all things in nature and from man-made electrical and electronic systems. Electromagnetic radiation includes cosmic rays, gamma rays, x-rays, ultraviolet light, visible light, infrared light, radar, microwaves, TV, radio, cellphones and all electronic transmission systems. Electromagnetic radiation is made up of an electromagnetic field (EMF), which comprises an electric field and a magnetic field that move at right angles to each other at the speed of light. See
spectrum,
microwave and
electromagnetic hypersensitivity.