A new water-jet printer concept could help put a significant dent in the waste that comes from conventional 2-d printing. His solution: A printer that uses water instead of ink on a special reusable ...

Like any ordinary printer, this machine ingests a blank page and spits it out covered in print. But instead of ink, it uses only water, and the used paper fades back to white within a day, enabling it ...

For office workers concerned about cutting costs and environmental impacts, clicking the print button triggers an ongoing internal debate. Many people find reading words on a printed page to be a hard ...

Most people are quite familiar with ink-jet printing. But a team of chemists from northeast China's Jilin University has recently attracted worldwide attention by inventing a water-jet printer. Like ...

Researchers have developed a rewriteable paper coating that can encrypt secret information with relatively low-tech invisible ink -- water. A message printed out by a water-jet printer on a ...