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Levitation. Maglev trains have no contacts with the rails while they move forward. They are levitated on the guide-way with the help of magnetic forces. Levitation is the process by which an object is suspended against gravity in a stable position without any physical contact.
The lift and push are provided to the train by the repulsive and attractive forces of magnetism used by this system. The maglev trains that are operating at the present have been designed by the engineers in the preceding decade. A new maglev train has been tested on the Yamanashi Maglev Test Line recently. The most recent maglev train in Japan is known as the LO Series and can run at speeds of up to 311mph (500 km/h). In its first run along the 26.6-miles test track, the train reached its top speed before it touched the 3-mile marker.