Tesla Coil

A tesla coil is a resonant transformer that creates a high-voltage, low-current high-frequency alternating current. What does that mean in English? Well, it can create small sparks!

...and power light bulbs wirelessly.

Tesle coil fluorescent tube

It's like the Tesla coil has an idea, but its idea is oblong and off to the side.

Tesle Coil Fluorescent Ring

Now the Tesla coil is thinking in circles.