Radar (RAdio Detection And Ranging) is an object detection system that uses electromagnetic waves to identify the range, altitude, direction, or speed of both moving and fixed objects such as aircraft, ships, motor vehicles, weather formations, and terrain.
The term RADAR was coined in 1940 by the U.S. Navy. The term has since entered the English language as a standard word, radar, losing the capitalization. A Breakdown And Explanation Of Radar.
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