We've closely monitored how words spoken into a phone can be instantly translated into various languages. (See David Sarno's recent article about Google's new phone application.) What you may not know yet, however, is that researchers have now developed a way for people to communicate by speaking into a phone silently by simply moving their lips.
The Karlsruhe Institute of Technology in Germany is behind the new developments that are enabling people to hold phone conversations in complete silence.
