LEDs: The Bright Bulb Revolution

The soft glow of a burning-hot wire in an incandescent lightbulb, and the bluish tinge from the screaming electrical plasma storm in a fluorescent tube may soon become largely things of the past. LED lighting has arrived to beat them both.

Ever since British inventor Humphry Davy passed current through a platinum strip in 1802, electrical lighting based on incandescent technology in vacuum-sealed glass bulbs has lighted up our lives. Edison didn't invent the things, despite what you may have...