http://news.yahoo.com/s/nf/20080208/tc_nf/58279
Looks like they've come up with a device that uses the energy you spend slowing down you leg while walking... like the brakes on those hybrid cars...
Interesting! I wonder what it looks like.
Human battery charger
Moderators: NeilBlanchard, Ralf Hutter, sthayashi, Lawrence Lee
http://www.bionic-power.com/news/PR001.htmlInteresting! I wonder what it looks like.