Infrared: A light that is so red that it is not viewable to the naked eye. It uses this invisible beam of light to transmit a pre-programmed 'line-of-sight' signal to certain electronic components. Its typical use involves wireless devices such as a TV remote controller.

 

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Infrared: The long wave, electromagnetic radiation of radiant heat emitted by all hot objects. On the electromagnetic spectrum, it can be found between microwave radiation and visible light. Water vap . . . View Full Definition

Infrared Spectroscopy: A technique for determining the structure (and sometimes concentration) of molecules by observing how infrared radiation is absorbed by a sample.

Infrared Radiation: Electromagnetic radiation with wavelength longer than visible light but shorter than that of microwaves. Infrared radiation is produced by hot objects; absorption of infrared radiation cause . . . View Full Definition

Infrared Compensation Index: Used to compensate the focus for black and white infrared film. Color ir film generally does not require compensation.

Infrared Data Association (IrDA): A membership organization founded in 1993 and dedicated to developing standards for wireless, infrared transmission systems between computers. With IrDA ports, a laptop or PDA can exchange d . . . View Full Definition

Infrared Focus: See ir setting.

Laser: A hard, accurate shot.

Greenhouse Effect: The overall warming of the earth's lower atmosphere primarily due to carbon dioxide and water vapor which permit the sun's rays to heat the earth, but then restrict some heat-energy from esc . . . View Full Definition

Ultraviolet (UV): Part of the electromagnetic spectrum from about 400nm down to 1nm. It is invisible to the human eye, but most photographic materials are sensitive to near uv bands down to 250nm. It records . . . View Full Definition

Radiative Transfer: One mechanism for the movement of heat, in which it takes the form of long-wavelength infrared radiation.