AT one time there was only a thin line that separates a genius from a madman. When Nikola Tesla wanted to make a dynamo which transmits electric current all over the world in 1893, many regarded this as a crazy idea and as something that did not make sense.

Through a 15-meter-tower erected in Colorado, USA, through which a high-tension current of some 100 million volts, or 200 times the electric current in today’s extra-high-voltage aerial tra