Gallery: Laser “Unprinter” Saves Paper by Erasing Pages Without Damagin...


A team at the University of Cambridge has developed a remarkable new technique that uses lasers to erase laser-printed paper, leaving pages clean, clear, undamaged, and ready to be reused. The technology has the potential to be even more eco-friendly than traditional paper recycling – scenarios suggest that it would produce at most “half the carbon emissions of recycling; best-case, unprinting is almost 20 times as efficient,” reports ExtremeTech.

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