The changing lighting landscape

For a century, the only acronym you needed to memorize to light your home was GE. Say hello to CFL and LED -- and make sure you're high in CRI if you want a bright future. In California, the familiar 100-watt incandescent bulb is being phased out this year in favor of energy-saving alternatives. Soon the 75-, 60- and 40-watt incandescent bulbs will depart, too, in a controversial cross-country wave that aims to end, by 2014, the national reign of Thomas Edison's brainchild.