I’m something of a headlight nerd. In a previous life, I retrofitted HID projector headlamps onto my 2009 Honda Civic Si for better light output. I’m planning a similar project for my beater 2015 VW ...

Once upon a time, buying a lightbulb meant choosing an incandescent one of between 25 and 100 watts, depending on how bright you wanted the light to be and the fixture you were putting it in. You ...

That means inside every LED bulb are tiny circuit components -- and their soldered contact points -- which are far more vulnerable than the diode itself. The Lighting Research Center of the Rensselaer ...

At this point you're likely familiar with the often-touted upsides to using LED (light-emitting diode) bulbs instead of incandescent (glass with a heat-based filament) ones. LED bulbs are said to last ...

At CNET, we -- like many others -- have run into LED bulbs that seem fine at first, only to start flickering and burn out within a year, leaving us (and our wallets) frustrated. So I asked ...