Laser de-printer lifts ink from paper, leaving it ready to be reused

An experimental printer documented by Cambridge University scientists in a paywalled Royal Society paper is capable of laser-ablating the toner off of sheets of previously printed paper, leaving them ready to be reused. The device uses picosecond pulses of a green laser that passes through the cellulose in the paper, but vaporizes the toner. The [...]

Source: http://boingboing.net/2012/03/15/laser-de-printer-lifts-ink-fro.html

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