Infrared radiation
From Conservapedia
This is an old revision of this page, as edited by Emptiness (Talk | contribs) at 18:45, May 27, 2007. It may differ significantly from current revision.
The infrared portion of the electromagnetic spectrum consists of light which has a longer wavelength than the human eye can detect (that is, above 800 nm). Infra, meaning below in latin, is used because the frequencies of the infrared are below those of the red colour. Infrared is used in communications by optical fibers (wavelength 1550 nm), in lamps to keep food warm, in military detection equipment (for example because the heat of the human body can be perceived as an infrared radiation around 10 µms).
