Generate electricity: by walking
A team of scientists at UK’s Cranfield University, University of Salford and University of Liverpool have developed a novel device that harvests energy from your knees while walking and converts it into electricity!
The energy can then be used to power various devices such as heart rate monitors and GPS systems. The circular cup-shaped device fits on the outside of the knee. It has an outer ring with 72 metal strings that vibrate as the person walks. These
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