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 ...

We may earn a commission from links on this page. While buzzing coming from a light bulb isn’t usually dangerous, it certainly is annoying. There are a few reasons a light can make that irritating ...

LED lightbulbs have slashed the amount of energy we use to light our homes. New data illustrate just how much. Jon covers artificial intelligence. He previously led CNET's home energy and utilities ...

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 ...

I’ve also treated the topic of LED illumination more conceptually; take, for example, this piece from more than seven years ago that analyzed LED and CFL light bulbs as potential successors to ...