And Energy from Flowing Water

With so many wind turbine designs, there had to be some innovative attempts at harnessing power from flowing water. The Gorlov Helical Turbine: http://www.gcktechnology.com/GCK/pg2.html is a turbine designed to generate electricity from flowing water. A very interesting design and one that has many applications around the world. The system could be used very effectively to harness tidal power - India / Pakistan / Bangladesh / Sri Lanka - are you listening?