Osmotic Energy

Dave Barnett
By Dave Barnett on Tue, Feb 19, 2013 - 7:38am

"Where freshwater and saltwater meet, such as where a river flows into a fjord or the sea, the salty water naturally diffuses towards the freshwater. Placing a membrane between the freshwater and the saltwater can capture that energy and convert it into electricity."

Interesting idea -- too bad it didn't come 20 years ago....

http://mahb.stanford.edu/whats-hot/osmotic-energy/

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