“Scientists have invented a magical gadget that sucks the ink off printer paper so each sheet can be used 10 times over. They aim to cut the amount of planet-heating carbon dioxide (CO2) emissions from the paper and pulp industry by reducing demand for office paper. The trick to the so-called “de-printer” is specially coated paper, which stops ink (or powdered toner) from soaking into the page. A powerful laser then vaporises the ink. Lead developer, Barak Yekutiely from Reep Technologies in Israel, describes it as circular printing.” via BBC