A Knee Brace You Want to Keep On
Feb. 8th, 2008 09:38 amIf the nuclear powered backpack doesn't work out, there's always going to be knee power. Imagine flocks of runners with LEDs powered by these.
Taking People Power to a New Level - NY Times - 08 Feb 08
"The generator does not capture the motion throughout the entire stride, since that would subject the user to a dragging feeling with each step. Instead, the gearwork disengages at the beginning of the step and re-engages as the leg swings back from a stride. This means that the only drag occurs at the tail end of the stride, when muscles are actually working to slow the leg down."