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 ...

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.

Welcome to our second annual One Bright Issue. We’ve gathered a group of articles that cover LEDs and solid-state lighting (SSL) as well as the semiconductors that support these applications. Yet I’d ...