ZDNet.co.uk’s Dialogue Box has a regular feature called Axis of Awesome – where tech is rated on axis of useful to useless and cool to uncool. A definite contender for the useful but not cool segment has to be a knee-brace like device from US and Canadian scientists.
Outlined in the journal Science (and reported on the BBC), the adapted brace can generate “more than 1000 times more energy” than existing technology such as a kinetic watch. Apparently, the "Biomechanical Energy Harvester" may provide a green way to power the portable devices of the future, claims Science.
You can find the full article here: Device Gives New Meaning to "Power Walking" .