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Laser Un-Printers Could Remove Toner Ink from Paper : TreeHugger

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Researchers at the University of Cambridge have discovered a way to use lasers to remove toner ink from paper so that it can be reused instead of being recycled or, worse, tossed in the garbage. In the future, those old TPS reports taking up space on your desk could quickly be turned into clean sheets of paper by sending them through an "un-printer."

The researchers studied 10 different laser setups ranging in strength and pulse d... (View original article)

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