posted on Mar, 31 2011 @ 01:26 AM
I forget the correct term, but there is a field of research along these sorts of lines. The basic idea is to generate power using the body and its
natural movements and processes. For example, using things like body temperature or the normal motion of hands, wrists, arms, etc to power things.
The article seems to be more promising than any of those were the last time I checked, though.