Philips sent me one of their 12.5W dimmable LED bulbs to evaluate. (This is Philips L-Prize entry, for those following the DOE contest. WRONG, see below.) Tear-down time! Some of you have mentioned ...

Last year I visited Switch Lighting, a small Silicon Valley company that claimed to have built something revolutionary. Switch’s product: a light bulb that produced the same warm, comforting glow that ...

They’re consistently popular with the readers, which is admittedly part of my (and EDN’s) motivation to continue doing them. But I personally also find them fascinating; inevitably I come across at ...

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. INDIANAPOLIS — When finishing basement beams ...