March 20, 1900 –
Nikola Tesla received a patent (US 645576 A) for the wireless transmission of electric power on this date.
Early radio antennas and telegraphy used the invention, but variations of the coil can also do things that are just plain cool – like shoot lightning bolts, send electric currents through the body and create electron winds.
And so it goes
The Haus of Dcaligari 