RADAR
Everything Everywhere Daily
00:00
The Telemobile Oscilloscope
The telemobile oscilloscope would sweep around and when it detected a radio wave being bounced back, it would ring an electric bell to indicate the direction of the object. The device was given a public demonstration in May of 1904 in Germany and then in June in the Netherlands at a conference of shipping executives. In 1939, the U.S. Navy began using the term radar as an acronym for Radio Detection and Ranging. A ship-based radar system was installed on the USS California, a battleship that was sunk at Pearl Harbor.
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