LED lights are the latest thing in home lighting, using less energy and lasting longer than their incandescent cousins. How do they work? Find out in the latest installment of Appliance Science.

How Does an LED Printer Work?. Light emitting diode printers are usually classed with laser printers because they use a similar method of creating pages. Like a laser printer, they use a drum ...

How do LED lights work? An LED is simply a semiconductor which emits light when a current is passed through it – they only work with current flowing in one direction, mind.

With LED headlights becoming the prevailing form of automotive lighting, here’s a good breakdown and how it all works.

Smart lights: We’ve seen plenty of ways they can improve your home. But how do they work? Exactly how they do what they do is still a mystery to some. Luckily we’re here to demystify the arcane.

Some take xenon or halogen headlight bulbs, but other rear fog lamps are made up of LED lights. LED lights are bright, long lasting and common on newer vehicles with rear lamps.