A schematic illustration shows the microfiber-nanowire hybrid nanogenerator, which is the basis of using fabrics for generating electricity. Pic credit: Professor. Z. L. Wang and Dr. X. D. Wang, Georgia Institute of Technology.
The human body is a veritable powerhouse. Every minute of everyday it generates energy, but unfortunately much of this energy is wasted on mundane tasks like burning calories or keeping internal organs running. What if this energy could be harnessed to do something really useful – like charge your iPod or mobile phone? Technology that does just that - converting mechanical energy from body movements or even the flow of blood in the body into electric energy that can be used to power a broad range of electronic devices without using batteries – has been described by scientists from the Georgia Institute of Technology.
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