Print Using Water Rather Than Ink

A team of Chinese researchers has come up with a new printer that makes use of water instead of ink to print and the used paper fades back to white in a day, allowing it to be reused multiple times. Sean Xiao-An Zhang, a chemistry professor at Jilin University in China, who oversaw work on the innovation, said that many statistics indicate that about 40 per cent of office prints are taken to the waste paper basket after a single reading. The trick lies ...