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

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, ...

Vendors tout advances in color and brightness in the new display technology, but they lack a compelling sales pitch about its ...