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Gold Nanoparticles Turn Trees Into Streetlights

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    Last Updated: November 11, 2010


    An anonymous reader writes “Street lights are an important part of our urban infrastructure — they light our way home and make the roads safe at night. But what if we could create natural street lights that don’t need electricity to power them? A group of scientists in Taiwan recently discovered that placing gold nanoparticles within the leaves of trees causes them to give off a luminous reddish glow. The idea of using trees to replace street lights is an ingenious one — not only would it save on electricity costs and cut CO2 emissions, but it could also greatly reduce light pollution in major cities.”

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