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Coral reefs: Tomorrow's renewable power stations?

Professor's tiny but tough turbines capture energy of breaking waves

Professor Tsumoru Shintake's sketch of his envisioned wave power system (Courtesy of Tsumoru Shintake)

TOKYO -- Japan and other maritime countries may not have to look far for their affordable, stable alternative energy source of the future. It might be lapping at their shores.

A professor in Okinawa hopes he has found the answer in the waves that break over coral reefs surrounding the southern islands. Tsumoru Shintake of the Okinawa Institute of Science and Technology Graduate University is attempting to harness the power of the surf by installing turbines on the reefs.

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