UMich VIVACE Hydropower System Makes Energy From Slow Currents

A new hydropower prototype from the University of Michigan could end up using even slower river and ocean currents to generate energy. VIVACE, which stands for Vortex Induced Vibrations for Aquatic Clean Energy, can generate power from as little as 2 knots, making it more useful than most turbine and water mill… » 11/26/08 4:30am 11/26/08 4:30am