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 ...

You used to look at "watts" to determine the brightness of a light bulb. But we're switching to "lumens" starting in January 2012. We have a handy conversion chart to help you know the right kind of ...

The race for LED manufacturers to improve the industry headline metric of lumens/watt is hotting up in the drive to improve the energy efficiency of lighting systems. But as sales of LED lighting ...

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 ...

Progress in the LED lighting industry can best be measured in two separate metrics: pricing and efficiency. Pricing gets most of the attention, but so many factors affect it -- from the cost of ...