Would be fun though wouldn't it. Wait for a dark and stormy night then start up your Tesla coil thingy on the front lawn. A maniacal laugh and a bit of organ music would set things off nicely.
nothing its low current high frequency voltage, he is using pole pigs in reverse, what you see at the bottom is a rotating spark gap connected to capacitors to produce an oscillator.
This is Tesla territory. Telsa was a great, he wont be forgotten in my books.