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 ...

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 ...

In well under a decade, LEDs have expanded their role from little red spots which tell you the HiFi is on, to include brilliant white light sources capable of illuminating a room or lighting the road ...

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 ...