Watts and lumens — they both describe lightbulbs, but do you know what they actually mean? Did you know that wattage is no longer a reliable way to tell how bright a bulb is? Do you know what makes ...

You've probably been hearing the talk of federal light bulb regulations for years, but in January 2012, the talk will become reality, and these regulations will begin to take effect. While California ...

Still confused about the phase-out of incandescent bulbs? Let's shed some light. Jan. 1 marked the beginning of a new era: Inefficient 40- and 60-watt incandescent bulbs — which represent more than ...

Katherine Martinko is an expert in sustainable living. She holds a degree in English Literature and History from the University of Toronto. The U.S. Department of Energy is cranking up the minimum ...

Michael Turner, director and Rauner distinguished service professor, Kavli Institute for Cosmological Physics, University of Chicago, Chicago, Ill. Ron Cowen, astronomy writer, Science News, ...

Although incandescent light bulbs were banned back in August 2023 in the USA, most of us still think of old-school wattage when it comes to describing how bright a light bulb is. We can picture how ...

Now that incandescent bulbs are on the way out, LED bulbs are a clear choice, but there are things to keep in mind when buying them. Originally hailing from Troy, Ohio, Ry Crist is a writer, a ...

At the end of July, the incandescent light bulb – patented by Thomas Edison in 1880 and a common fixture in American homes for more than a century – will pass into history. By Aug. 1, commonly used ...

So long 100-watt incandescent light bulbs -- California is ordering them off store shelves starting Jan. 1 in an energy-saving move. For now at the Home Depot in Redding, Calif., the bright orange ...