Fig. 4From: Invisible transportation infrastructure technology to mitigate energy and environmentThe above figures indicate the polarization of the coil in different cases: a Schematic diagram of the director of the running vehicle (must be construction with magnet as shown on this diagram) on maglev propulsion via propulsion coils. b Near the receding S-pole, becomes an N-pole to oppose the going away of the bar magnet’s S-poleBack to article page