Laptops to be powered by Key presses

http://9.mshcdn.com/wp-content/uploads/2011/06/keyboardshot-istockphoto.jpgAustralian researchers have figured out a way to harness the energy we use while typing to power a laptop. Using piezoelectricity, this method works in a similar way to cigarette lighters that create a spark by striking a piezoelectric crystal.

To power a laptop, though, a much thinner film of the piezoelectric material would have to be developed using nanotechnology. It’s so thin, it can be coated onto various electronic parts and integrated into a variety of gadgetry.

The idea of an everlasting battery is mind boggling. Scientists are also looking into ways to power touchscreen devices with piezoelectric film, putting all that energetic finger-swiping to good use.

Could this be a way around that perennial battery power conundrum?

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