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The green laser that can erase printer ink

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The green laser that can erase printer ink | Digg Technology.

The recycling industry’s goal is to make the world a greener place, but the actual process comes at a price — namely in gas and carbon dioxide emissions. But a promising new technology from the University of Cambridge aims to cut down on excessive energy use by employing lasers to remove ink from used paper, allowing it to be reused. Here, a quick guide to this experimental concept:


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