It's not a mistake. That's what Tesla Coils were meant to do. Tesla was a great proponent of wireless power transmission and actually believed it would be possi

It's not a mistake. That's what Tesla Coils were meant to do. Tesla was a great proponent of wireless power transmission and actually believed it would be possible to transmit enough power to move a ship. The reason it doesn't exist currently is energy loss in the transmission. The wikipedia article has a picture of his device along with a general overview: http://en.wikipedia.org/wiki/Wireless_energy_transfer http://en.wikipedia.org/wiki/Wireless_energy_transfer