The gadget saving trees by sucking ink off paper – BBC News

latest news headlines 1 woche vor
Flipboard


Scientists have invented a magical gadget that sucks the ink off printer paper so each sheet can be used 10 times over. The trick to the so-called "de-printer" is specially coated paper, which stops ink soaking into the page. A powerful laser then vaporises the ink. Pulp and paper worldwide is the fourth biggest carbon-emitting industry, so these scientists are aiming to cut the amount of planet-heating carbon dioxide (CO2) emissions by reducing demand for office paper. Please subscribe HERE http://bit.ly/1rbfUog #Paper #BBCNews
Aus der Quelle lesen