Electricity doesn’t just flow freely in every direction—it needs control. That control comes from a tiny but powerful component: the diode. In this video, you’ll learn how diodes work, why they allow ...

This is part 2 in a series where I explain how diodes, LEDs and solar panels work. See part 1 if you’re a fan of diodes doing weird things.

The light-emitting diode (LED) keeps making inroads into everyday electronics. From displays to bulbs to headlamps and other lamps in newer vehicles, this device is producing brighter, more attractive ...