Over the past couple of years, LED red light therapy masks have quietly taken over my routine—and my bathroom counter.

Wearing an LED face mask may look as though you've stepped out of an Alfred Hitchcock thriller, but actually, what it's doing to improve the appearance of your skin is far from horrifying. Reigning ...

Adding a molecule normally used in detergent to an infrared LED could make devices that are easier to manufacture, require less energy and display richer colours than existing ones. Solar cells and ...