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 ...

That last theory – using a small EMP device to unlock a car’s door – got the attention of someone who builds mini EMP devices ... ll earn the respect of high voltage tinkerers the world ...

The Tesla Coil was a high frequency alternating current transformer capable of creating high voltage at low current. Now, in addition to the first and only park (in Downtown Buffalo) named in ...