Most cell phone users have done it at least once: scramble to silence a ringing phone hidden deep in a jacket pocket or bag. Casio has developed a prototype system that can mute a phone with a couple ...

Here is a tantalizing piece of news from Japanese newspaper Nihon Keizai Shimbun, reporting that Casio has created a fuel cell that can run up to 20 hours on a single charge (earlier Casio prototype ...