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

Sometimes the most useful hacks are also the simplest ones. A case in point is the LED and resistor assembly that [Skippy] recently posted on his blog. The idea is to solder up some pre-made ...

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 ...

Do you remember making the switch from incandescent bulbs to CFLs? Today, switching to LEDs offers even more benefits in ...

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 ...

First used as status and indicator lamps, and more recently in under-shelf illumination, accent lighting, and directional marking applications, high-brightness LEDs have emerged within the last six ...

Under museum lights, the vibrant yellows in Vincent van Gogh’s iconic sunflower paintings have muddied over time. The yellow pigment van Gogh used—lead chromate, more popularly known as chrome ...

A federal rule that took effect on Tuesday will largely consign one of the world's great inventions — the incandescent light bulb — to the technological dustbin. The rule from the U.S. Department of ...

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 ...

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