"A rare error at <a href=""http://www.youtube.com/watch?v=kdTsbFS4xmI&amp;t=1m50s"">1:50</a> and later; it doesn't use linear induction motors; as the guy immediately says they use linear synchronous motors. Induction motors are asynchronous motors and use copper or aluminium for the secondary", but here they're using permanent magnets and they're synchronous motors.