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Accidental invention could light up the future
It's amazing how a mistake or an accident can sometimes lead to a remarkable discovery. This is no exception, where a student messing around with quantum dots and a laser created a new light source. This is an amazing discovery because it will completely change how lighting is done in the future I personally believe, especially since it has a life much longer than that of a standard 60W light bulb.
When you shine a light on quantum dots or apply electricity to them, they react by producing their own light, normally a bright, vibrant color. But when Bowers shined a laser on his batch of dots, something unexpected happened. "I was surprised when a white glow covered the table," Bowers said. "The quantum dots were supposed to emit blue light, but instead they were giving off a beautiful white glow."
Posted by | Sat, Oct 22, 2005 - 10:55 AM
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