Tesla coils are beautiful examples of high voltage hardware, throwing sparks and teaching us about all kinds of fancy phenomena. They can also be quite intimidating to build. [William Fraser ...

He returned to the drawing board, winding a new primary/secondary ... to electrocute trick or treaters’ candy with his Tesla coil, much to the delight of the neighborhood children.

particularly the Tesla Coil (originally called Tesla Oscillator) – a high frequency oscillator that enabled the inventor to conduct a series of revolutionary experiments including wireless ...