This is Ohm Electric's "LED light bulb with light / dark / human sensor". Brightness equivalent to light bulb color is 380 lumens, daylight color equivalent is 400 lumens. The power consumption is 6.3 ...

Practical LED bulbs are now available from a number of sources. One manufacturer, Cree, Inc., reached a milestone in LED lighting with the development of a 75-watt replacement bulb more than 100 years ...

See why these lightbulbs could be great for your wallet and the planet.

PolyBrite International Inc. makes LED lighting, as do scads of companies these days. But who else can boast of outfitting an entire neighborhood of Fort Knox, Ky., in one of the world's biggest ...