"Additional nanowires and more nanogenerators, stacked together, could produce enough energy for powering larger electronics, such as an iPod or charging a cell phone," Zhong Lin Wang of the Georgia Institute of Technology told the Telegraph. Eventually, the scientists hope that any body movement, including a beating heart, could power electronic devices.

Read more: http://techland.time.com/2011/03/30/human-heart-could-power-gadgets-of-the-future/#ixzz1IGT5W2li