CNET's Martin LaMonica has been playing around with superefficient LED bulbs at home and finds they're imperfect and pricey, but, he says, there's still a lot to like. Martin LaMonica is a senior ...

A fairly-new LED light bulb went dark the other day and since the housing seemed to be made of some kind of harmless plastic, I decided to dissect the device to see if I could figure out why it had ...