Megelin's red light and laser therapy devices target muscle fatigue and inflammation while revitalizing your skin.

The majority of men lose their hair due to male pattern baldness (also known as androgenetic alopecia), a condition caused by genetic predisposition and hormonal influences, wherein testosterone is ...

Color digital laser and light-emitting diode printers are very similar. Both can print your business documents relatively quickly by melting toner to the paper, and both use a photosensitive drum. The ...

In 1962, 50 years ago today, Nick Holonyak Jr. and his team at GE invented the Light Emitting Diode. While LED lights are almost everywhere today — from bridges to headlights to keychain flashlights ...

Chinese projector maker XGIMI reckons it's come up with a best of both worlds solution for projector light sources by combining the high color fidelity and comfortable viewing experience of LED ...

An LED and a semiconductor laser (or laser LED) work in essentially the same way, that is, light is emitted as electrons and holes combine, with emission wavelength dependent upon the materials used.

In 1960, Theodore H. Maiman's experiment at Hughes Research Laboratories produced the first laser beam using a ruby crystal ...

In 1962, when he was 33, the scientist Nick Holonyak, Jr., created the first practical visible light-emitting diode. At GE, they called it "the magic one." Someone actually wrote that on the back—here ...