The Potential Power Savings Of Expensive LED Traffic Lights May Be Worth It

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

The quest to build a cozier LED lightbulb

Breakthroughs, discoveries, and DIY tips sent six days a week. Terms of Service and Privacy Policy. LED bulbs, by all indication, herald the future of home lighting ...
Science Daily

Reducing blue light with a new type of LED that won't keep you up all night

To be more energy efficient, many people have replaced their incandescent lights with light-emitting diode (LED) bulbs. However, those currently on the market emit a lot of blue light, which has been ...
Vox

The inventors of blue LED lights just won the Nobel Prize. Here’s why.

Your support goes further this holiday season. When you buy an annual membership or give a one-time contribution, we’ll give a membership to someone who can’t afford access. It’s a simple way for you ...
PC Magazine

LED bulb

A light source created by a light emitting diode (LED). For decades, LEDs have been used as indicator lights on myriad products; however, starting in the 2000s, they began to replace incandescent, ...