When picking an LED bulb, it's best to stick with well-known, reliable brands, even if you have to pay a bit more. For smart bulbs, our testers have found some of the best results from Philips, Wiz, ...

Cornell researchers have built a programmable optical chip that can change the color of light by merging photons, without ...

They look cartoonish, but fail to illuminate a space adequately. The glass domes are often frosted, which should diffuse harsh light—instead, it usually results in a poorly lit room. When the domes ...