A 27-W LED bulb puts out 1,600 lumens at a color temperature that lets it replace a 100-W incandescent light. The coveted Lighting "L" Prize last year went to an LED bulb that could replace a 60-W ...

Philips is already coming out with an improved version of its LED bulb that replaces 60-W incandescents. You know technology is maturing when you start to see second ...

The numbers you see on the box don't always work out in real life. LED bulbs do last longer, but those claims about five to 10 years are estimates based on internal testing -- and companies are always ...

Like it or not, energy-saver light bulbs are about to become the next big thing. Starting next year, lighting manufacturers will begin a government-sanctioned phase out of incandescent bulbs that ...

Scientists and engineers at the Industrial Technology Research Institute (ITRI), Hsinchu, Taiwan, have developed a new type of thermal analyzer: The In-Line Compact Thermal Analyzer, or ICTA. Said to ...