Speed-bump device converts traffic energy to electricity
Wednesday, November 9, 2011 - 06:30
in Physics & Chemistry
(PhysOrg.com) -- The two little words "speed bump" usually evoke unpleasant memories of spilled coffee and back-seat arguments questioning if and where you learned how to drive. In some green energy circles, speed bumps take on a far more pleasant image. You may even hear a more dignified and important term, such as kinetic energy recovery device.