The Shake Control is a concept TV remote that works simply by shaking it. Just move it in different directions to change the channels or the volume. We have seen this year greener and greener technologies for various gadgets. Alternative energy is also a big issue with gadgets manufacturers. The remote control in the picture doesn’t need any batteries to make it work. The remote has a visible arrow-shaped magnet and coils of wire inside. All those components will generate 20-30mA current when the device is shaken. Then the gravity sensor measures the direction of the shake and delivers the corresponding result.