Maglev is short for magnetic levitation. These type of trains need a separate track made of Electro-Magnets. The train actually hovers with its own magnets over the track for about 2 to 10 mm. The track has internal coils which creates alternating field which pushes the train forward. Since there is no physical contact between the track and the train, these maglev trains can reach speeds of upto 300 mph easily. These Trains are currently used in Germany and Japan.
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