The following would apply to any moving vehicle, but just for the sake of clear thought, we will use the word “car”. Imagine a car coming toward a radar antenna that is transmitting a microwave pulse ...

A: A radar gun utilizes radio waves to measure the speed of vehicles within its range. Another speed detective device, referred to as Lidar (laser), utilizes a beam of light to measure the speed of a ...

RICHARDSON, Texas — A North Texas company that can catch you speeding -- and catch the speed on a fastball -- is expanding. Applied Concepts Inc., which makes radar guns for both police departments ...

PONTIAC - Trooper Joe Dittmer stood at the side of the road and attempted with the naked eye to estimate the speed of an approaching car. "This guy looks like he's going 38 miles per hour," said ...