Catching speedsters with sound

Next time you pump your accelerator, sensing that there's no one around, watch out for the hidden microphones in the road ready to nab you.

speeding

This latest technology developed the University of Tennessee and the Battelle Institute uses sound to catch you speeding. The sound waves captures the sound of your engine and filters out necessary information depending on the type of engine, terrain, and the Doppler shift as you speed away breaking all the rules. The system is highly accurate with a success percentage of 97.

Via: pistonheads