Many cities are replacing their incandescent traffic lights with LEDs, despite the higher initial cost. Here's why that's ...

The three Japanese scientists who invented the first efficient blue LEDs in the mid 1990s have received the 2014 Nobel Prize in Physics. The invention of efficient blue LEDs was a foundational step in ...

Yesterday, a federal ban on production of 40- and 60-watt incandescent bulbs went into effect, forcing consumers to switch to more efficient (if less aesthetically pleasing) bulbs, like LEDs and CFLs.

SENECA COUNTY, Ohio — People in Seneca County have an opportunity to show how they support their local law enforcement - and they won't need to spend a dime to do so. The Seneca County commissioners ...

A trio of scientists, two from Japan and one from the U.S., will share the Nobel Prize in physics for the invention of blue light-emitting diodes (LEDs), which led to a new, environmentally friendly ...

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.

Back in 2005, Oprah got on TV, with Leonardo DiCaprio and his Prius, to warn us all of the dangers of global warming, urging us to swap out incandescent bulbs for more energy-conscious compact ...

Once upon a time, buying a lightbulb meant choosing an incandescent one of between 25 and 100 watts, depending on how bright you wanted the light to be and the fixture you were putting it in. You ...