Friday 24 June 2011

Finger-powered phones coming within 3 years?

You could soon be able to extend the life of your laptop or mobile phone simply by typing on its keyboard.That's according to a group of boffins from the Royal Melbourne Institute of Technology who've been attempting to harvest electrical currents from special materials that react to pressure.The idea is that piezoelectric films could be placed underneath each key of a keyboard or keypad in order to generate a charge every time the key is depressed.The tech is still in its infancy and is

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