Researchers at the University of Cambridge have developed what they call a laser 'unprinter' - a device that is able to remove toner ink from paper. A production model would allow businesses to reuse ...

An ‘unprinter’ developed by University of Cambridge scientists can remove conventional ink from paper by vaporizing toner with short bursts from a green laser. An ‘unprinter’ developed by University ...

Yes, it’s great that your office put a blue bin next to the copy machine so unwanted print outs don’t end up in the trash. But recycling paper still takes its toll on the environment, so researchers ...