A crash course in changing the world.
One of my friends has a watch that is solely powered by movement. Every time he moves his hand or wrist, the watch is able to power the gears inside. I think it would be neat to implement this type of power into cell phones. We are always on our phones (checking the time, texting as we walk, multitasking phone conversations while making meals). If we could add this feature of turning movement into energy, we would not only have longer battery life in our cell phones, but we would also use less energy charging them.
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