Look mom, no batteries
A recent research on biotechnology proves and explains how our bodies can power electronic devices. This is really amazing but how does it work? There is this thing called endocochlear potential, found in the inner ear body, which functions like battery in which electronic devices like hearing-aids may draw power from.
However, the challenge to this innovation is "that the voltage created is tiny - a fraction of that generated by an AA battery." So we don't expect hipsters to flash this out yet any time soon.
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