I’m something of a headlight nerd. In a previous life, I retrofitted HID projector headlamps onto my 2009 Honda Civic Si for better light output. I’m planning a similar project for my beater 2015 VW ...

This video explains how LEDs (Light Emitting Diodes) function and why they are widely used in modern lighting and electronic displays. LEDs convert electrical energy into light through the movement of ...

Introduction What are LED headlights and how do they work? What are halogen headlights and how do they work? What are xenon headlights and how do they work? Most people are aware that LED stands for ...

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, toner and a fuser, and provide crisp ...

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.

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 ...

If you've been researching beauty treatments online lately, it's possible you've seen ads for LED (light-emitting diode) masks in your social media feeds. The masks are designed to do several things ...