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 ...

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 ...

Recycling paper could be made simpler by a new disappearing ink that can be erased from paper by heating. Toshiba’s erasable ink can be used in ordinary laser jet printers and pens. A printed sheet is ...