LEDs use very little energy but produce a lot of light, making them ideal for everything from phones to streetlights. This video explains how LEDs work and why they’re more efficient than traditional ...

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 ...

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 ...

LEDs are tiny components found in phones, TVs, lights, and displays—but how do they actually glow? This video explains how electricity moves through a semiconductor to produce visible light. Learn how ...

Light-emitting diodes are front and center for many of our digital experiences. Every modern phone and tablet you look at uses LEDs in its display. It’s worth knowing how these work. In short, LEDs ...

Light-emitting diodes (LEDs) are so ubiquitous that it's easy to forget just how much society relies on these underappreciated technological wonders. Yet, the history of the LED goes back further than ...