Magazine : 
Recharge your Smartphone with your Moves
Zhong Lin Wang, a professor at the Georgia Institute of Technology, is dealing with a new kind of power suit which is made from fabric that uses nanotechnology to generate energy as the body moves around. Any wrinkle in shirts, pants, even undergarments made with the fabric produces a charge, he says. This fabric has super-slim wires, measuring one-thousandth the width of a strand of hair and when treated plastic and zinc material moves, it creates mechanical energy that can be harvested by a capacitor.
