DIY magnetic levitation vehicle
blog.arduino.cc
Next to our Arduino booth at Makerfaire Bay Area we had a cool project created by Antipode, a girls robotics team headquartered in Pacifica, California, USA. It’s a Do It Yourself (DIY) remote controlled (RC) model maglev with electromagnetic propulsion, or shortly called maglev.
http://blog.arduino.cc/2013/06/08/a-diy-magnetic-levitation-vehicle-to-inspire-future-engineers/