31.   The Defense Support system uses five satellites with infrared sensors that detect heat from missile and booster plumes.

32.   The entire configuration could be the length of a football field and would use infrared sensors to detect the radiated heat of planets orbiting around other stars.

33.   The equipment of choice is a set of infrared sensors and specialized weatherproof cameras sold under the brand name Trailmaster.

34.   The infrared sensors will also scan for hot spots, perhaps where hot springs are or once were.

35.   The night-vision goggles with infrared lighting sensors that Eddie Murphy received?

36.   The robots scooted about on battery-powered wheels, using infrared sensors to spot one another.

37.   The project robot consists of a mobile platform equipped with infrared sensors and an ultrasonic ranging device that help it navigate.

38.   The sink is not the usual giant tub but a shallow basin equipped with a pull sprayer and lined with ribbons of water activated by infrared sensors.

39.   The two armored vehicles sped up the winding road in darkness and near silence, their drivers guided by infrared sensors.

40.   Their device, which is placed near the roulette wheel, is studded with infrared sensors that detect any hand motion occurring after the roulette ball has dropped.