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