
Side-Looking Airborne Radar
A radar antenna mounted on the belly of an aircraft and aimed to the side can record microwave images of terrain in striking detail, regardless of the weather or the time of day or night

Side-Looking Airborne Radar
A radar antenna mounted on the belly of an aircraft and aimed to the side can record microwave images of terrain in striking detail, regardless of the weather or the time of day or night

White-Light Holograms
Several ways have been devised for viewing holograms with ordinary incoherent light, making it unnecessary to rely on the coherent light of the laser or even the quasi-coherent light of a mercury-arc lamp

Photography by Laser
The highly coherent light produced by the laser is used in a novel photographic process, in which the light-sensitive film, instead of recording an image, in effect records the light waves themselves