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The Speed of Lasers

February 12, 2013

When Heinrich Rudolf Hertz began his research to develop the first Radar device in 1887, the first four wheeled car would not hit the road until 1893. Karl Benz probably did not envision that Mr. Hertz device would eventually be used to measure the speed of his horseless carriage. In the early 1950s a compact […]The post The Speed of Lasers appeared first on California DUI Checkpoints, DUI Checkpoints & Speed Traps.


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