Incandescent bulbs were supposed to be relics, pushed aside by compact fluorescents and then by ultra-efficient LEDs. Instead ...

LEDs are all around us and come in quite a few different forms, but this new discovery just might open up a whole new realm ...

Compared to incandescent lightbulbs, LEDs produce a lot more lumens per watt of input power — they’re more efficient at producing light. Of course, that means that incandescent light bulbs are more ...

Scientists have developed a low-cost visible light communication (VLC) system using commercially available hardware ...

One reason LED masks took off so quickly is their visual appeal. They light up brightly, look futuristic and create a sense of high-tech skincare that photographs well on social media. For consumers ...

Ed Ebrahimian loves to stare out the plane window on night flights home to Los Angeles. Next time you fly into L.A. late, take a good look and see why. Five years ago a bright orange blanket of light ...

LED headlights throw extremely intense light with very little draw on your car's electrical system. Now that they're trickling down to the aftermarket, you can buy a simple plug-in "LED retrofit kit" ...

Suppose you are getting ready to take a physics test. Everything is set—but wait! Your calculator battery died. What do you do? If you're extra crafty, you could grab an LED (light-emitting diode) and ...

A few years out of graduate school in botany, Paul Gray found himself tinkering with the lights for growing Green Crack. Yeah, that Green Crack: the strain of weed so strong that none other than Snoop ...

The idea is that by using smaller red, blue, and green LEDs, Micro RGB TVs will not only have better color accuracy, they’ll ...