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 ...
Cree, Inc. delivers a new performance benchmark with the 170 lumens-per-watt (LPW) prototype LED light bulb. Cree, Inc. delivers a new performance benchmark with the 170 lumens-per-watt (LPW) ...
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 ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results
Feedback