LED lights are everywhere, and you might be considering adding more of them to your home. Just how serious are the risks to ...

Our deputy beauty editor tapped experts and enlisted a panel of testers to find the best LED face masks with skin-soothing red light therapy.

LED therapy masks use specific light wavelengths for at-home skincare treatments. Red light is used to improve fine lines, while blue light targets acne-causing bacteria. Users should follow safety ...

It’s hard to believe that the first blue LED didn’t arrive until 1993. They look simple, but looks are deceiving (Fig. 1). 1. Image showing a blue InGaN-based LED with gold wire contacts (0.4 × 0.4 mm ...