British inventors began experimenting with electric lighting in the 1830s, working on so-called arc lamps, while other scientists around the world focused on developing a functioning incandescent lamp ...

At-home light-emitting devices are all the rage, promising Oscar-winning radiance, but do LED face masks really work or are they just sci-fi fantasy? And, are they safe? Consumer Reports sheds light ...

Some of Hollywood’s glowing faces seem to be treating their skin with LED face masks and from the comfort of their own home. These at-home light-emitting devices are well on their way to the red ...