December 14, 2006
Collapsible chair "bike" wins water purifying contest
Mechanical engineering students at Oregon State University didn’t have to worry about hitting the gym on 12/07/06. They worked up a sweat pedaling bicycles and turning hand cranks to power water purification devices created for a design course. In all they produced 113 grams of purified water.
While recumbent and upright stationary bikes were employed, the winner used a chair. See the whole story HERE