That may be a little aggressive, but Princeton University engineers have developed a device that may change the way that we power many of our smaller gadgets and devices. By using out natural body movement, they have created a small chip that will actually capture and harness that natural energy to create enough energy to power up things such as a cell phone, pacemaker and many other small devices that are electronic.
The chip is actually a combination of rubber and ceramic nanoribbons. When the chip is flexed, it generates electrical energy. How will this be put to use? Think of rubber soled shoes that have this chip embedded into them and every time a step is taken, energy is created and stored. Just the normal walking around inside the office during a normal work day would be enough to keep that cell phone powered every day.