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Accidental Invention Points to End of Light Bulbs
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The main light source of the future will almost surely not be a bulb. It might be a table, a wall, or even a fork.
An accidental discovery announced this week has taken LED lighting to a new level, suggesting it could soon offer a cheaper, longer-lasting alternative to the traditional light bulb. The miniature breakthrough adds to a growing trend that is likely to eventually make Thomas Edison’s bright invention obsolete.
LEDs are already used in traffic lights, flashlights, and architectural lighting. They are flexible and operate less expensively than traditional lighting.
Happy accident
Michael Bowers, a graduate student at Vanderbilt University, was just trying to make really small quantum dots, which are crystals generally only a few nanometers big. That’s less than 1/1000th the width of a human hair.
By Bjorn Carey
LiveScience Staff Writer
Full Story: http://www.livescience.com/technology/051021_nano_light.html
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