The Natural Resources Defense Council's light bulb buying guide helps consumers know how to replace old "watt" bulbs with the new ones expressed in lumens. (Natural Resources Defense Council) If you ...

For most of us, all of our lives we have associated watts with the brightness of a light source. After all, when we change a light bulb at home, we choose a 100 watt bulb if we want more light than we ...

The marketplace for more-or-less normal-looking LED light bulbs became just a little more crowded yesterday, when Philips announced the dimmable 75-watt equivalent version of its SlimStyle bulb. With ...

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 just added another family member to its LED replacement portfolio. The just-launched 75-watt version uses 82% less energy than traditional incandescents. The bulb delivers 1100 lumens and uses ...

Alina Bradford has been writing how-tos, tech articles and more for almost two decades. She currently writes for CNET's Smart Home Section, MTVNews' tech section and for Live Science's reference ...

When choosing lighting for your home or workspace, you will often come across two important terms: lumens and watts. For years, people judged a light’s brightness by its wattage. However, with the ...

Lumen is a measure of brightness in LEDs. I am gradually switching to LED bulbs at home. I believe that’s the way to go if you want to trim your electricity bill. These bulbs are super efficient in ...