That last theory – using a small EMP device to unlock a car’s door – got the attention of someone who builds mini EMP devices and has used them to get credits on slot machines. He emailed ...

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 ...

In this article, we explained the design process of a mini Tesla coil, covering its components, circuit details, PCB design, ...

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 ...