By directly communicating with the brain, a new wireless device could someday help restore lost senses or manage pain without ...

These light up paper circuit cards were much easier to make than I expected and only need a few inexpensive materials.

Dermatologists explain the science behind wildly popular treatments like red light therapy, which is now available at home—for a steep price. Full-face LED masks like this one can cost up to several ...

Abstract: A traditional flyback LED driver is limited by its low performance, which usually does not meet the power factor (PF) and total harmonic distortion requirements according to Energy Star or ...