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 ...

Needless to say, we’re fascinated by LEDs, laser diodes, and other blinkies. Although we can get just about any light emitting thing, the data sheets aren’t always accurate or available. For his ...

Light can be a powerful tool in skin care, whether it’s an LED facial or a laser treatment for acne. Light therapy can also seem a little mysterious if you’ve never done it before, because light doesn ...

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.

[shakirfm] sent us this LED persistence of vision (POV) laser projector that can display dot matrix style text. The laser projector contains a rotating mirror assembly and 5 lasers. We’ve covered ...

Houghton Hall in Norfolk has been transformed and illuminated by 528 Hz Love Frequency, a major solo exhibition of laser and LED installations by British artist, Chris Levine. Marking the inaugural ...

The “inkjet vs. laser” printer stereotypes are becoming less accurate. Once home-oriented, inkjets now include models that are sufficiently fast and capable to keep up with an office’s demands. By the ...

ViewSonic introduced its first Full HD 1080p, Laser LED hybrid, lamp-free projector for home theater. The Pro9000 offers Full HD 1920x1080p native resolution, a more stable and reliable hybrid light ...

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 ...

A stylish home cinema smart projector with a novel five-channel dual-light optical engine and Dolby Vision? The Horizon Ultra went on sale late last year, and when I was recently given the opportunity ...

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 ...