'''Forward looking infrared''' (FLIR) is a device which emits thermal radiation and creates a "picture" on a screen using the data from the [[infrared]]. It is often used on aircraft to aid navigation. It can also be used for search and rescue operations. | '''Forward looking infrared''' (FLIR) is a device which emits thermal radiation and creates a "picture" on a screen using the data from the [[infrared]]. It is often used on aircraft to aid navigation. It can also be used for search and rescue operations. |