51.   The GOES use infrared sensors to spot heat rising from a volcano.

52.   The infrared sensor was derived from an option to the Cadillac DeVille that was itself an offshoot of technology the military used during night missions in the Gulf War.

53.   The main purpose, the Army says, is to disable electro-optical systems such as infrared sensors on tanks, telescopic sights on rifles and even binoculars.

54.   The project involves satellites, infrared sensors attached to planes and helicopters, and different types of radars.

55.   The project involves satellites, infrared sensors attached to planes and helicopters, and radar.

56.   To relay traffic information and adjust traffic signals, infrared sensors will be installed above roads.

57.   Using the calculated course of the warhead and its own infrared sensors, the interceptor homes in on the warhead.

58.   Using the calculated course of the warhead and its own infrared sensors, the interceptor would have homed in on the warhead.

59.   Capable of identifying tourist spots with the help of a radar and infrared sensor, the robot is also unfailingly polite.

60.   Currently Lockheed uses Hughes Aircraft for infrared sensors in its space-based systems while Martin Marietta buys from Northrop Grumman Corp.