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 ...

After a long and storied history, the BSOD is being replaced. WIRED takes a trip down memory lane to wave goodbye to the iconic screen we all love to hate. Along with scrapping the blue (in favor of a ...

It’s hard to believe that the first blue LED didn’t arrive until 1993. They look simple, but looks are deceiving (Fig. 1). 1. Image showing a blue InGaN-based LED with gold wire contacts (0.4 × 0.4 mm ...