“The engines pump in the air that spreads in the narrow gap between the car and the road. It lifts the train several millimeters and breaks free on the edges of the base of the car. The latter no longer touches the rails, but hangs on a thin layer of air and experiences only a very minor air friction like a flying object. Work is needed to pump in the air… It”s not a lot, while the lift power can be huge and we get the ability to reach enormous speeds. As a result, the train by inertia overcomes all the slopes and climbs all the mountains. This makes it possible to fantasize that, over time, it will leap across rivers, ravines and mountains of all sizes. There will be no need for bridges, tunnels and large earthworks. No need, of course, for wheels and lubricants, ”