The ignition coils in your car provide the high voltage electrical current that allows your spark plug to create its spark. These parts are humble looking, and they make use of relatively simple ...

Obvious warning: Don’t let yoru kid play with this. Hell, you probably shouldn’t play with it. But this DIY project could make a great, and deadly, weekend project. Basically, it is comprised of a ...

A windings road:It all starts with the concepts of inductance and electromagnetism. Inside an ignition coil there are two sets of wire windings (aka coils, that's why it's called a "coil," get it?).