OSA | Living History

Starting in the 1940s, innovative optical designs and technologies have advanced our ability to survey the Earth remotely.

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Remote Sensing

Starting in the 1940s, innovative optical designs and technologies have advanced our ability to survey the Earth remotely, both from airplanes and satellites.

LiDAR is one form of remote sensing that relies on lasers. (Photo: Earth Science and Remote Sensing Unit, NASA Johnson Space)

(Courtesy of Earth Science and Remote Sensing Unit, NASA Johnson Space)