A light-emitting diode (LED) is a semiconductor light source. LEDs are used as indicator lamps in many devices and are increasingly used for other lighting. Appearing as practical electronic components in 1962, early LEDs emitted low-intensity red light, but modern versions are available across the visible, ultraviolet, and infrared wavelengths, with very high brightness.
All stories in Light-emitting diode
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Monster’s LED lighting kits ruined regular bulbs for me
Monster, a company known for high quality audio cables, recently launched a new line up of LED lights. We find out of they're ...
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Real-world Photoshop: Procter & Gamble debut a handheld device that could replace makeup
At CES, P&G introduced the world to “Opté,” a handheld device that 'prints' anti-aging product on top of your skin, ...
