One the problems with mobilephone is that they force personal conversations out into the world. Speaking your PIN and Social Security number to a customer service rep? Arguing with your boyfriend or girlfriend? Having an intimate chat on a cross-country bus trip? mobilephones make all those private details available to anyone who's listening. But with the soundless communication designed by the Karlsruhe Institute of Technology (KIT), you can hold a phone conversation in complete silence.
Researchers in Germany are working to develop a mobilephone that can read our lips by measuring the electrical activity used in the muscles of the mouth while speaking, which is then converted into a computer-simulated voice, the user can speak into the phone soundlessly, but is still understood by the conversation partner on the other end of the line. As a result, it is possible to communicate in silent environments, at the cinema or theater, without disturbing others. Another field of use is the transmission of confidential information. For the transmission of passwords and PINs, for example, users can change seamlessly to soundless language and, hence, transmit confidential information in a tap-proof manner.
With this device, the next time you're talking to your bank on the bus, or conversing with your mistress while at home, what you want private remains private. Of course, you will have to wear electrodes on your face, and that might tip some people off that you're trying to hide something.
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