Early adopters of LED lighting will remember 50,000 hour or even 100,000 hour lifetime ratings printed on the box. But during a recent trip to the hardware store the longest advertised lifetime I ...

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 and third-generation products.

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 ...