Wind turbines may soon seem hopelessly old-fashioned, since researchers have now found a way to generate electricity from the waves in the ocean. Now if the world's major cities, many of which are situated on ocean coastlines, can stay dry enough to survive, they will be able to have plenty of water AND power far into the future!
The WaveRoller, which is being developed in Finland, is a device made of fiberglass and steel plates which is planted on the bottom of the ocean. The back-and-forth motion of the waves drives a piston that creates hydraulic pressure, which eventually produces electricity. In C/Net News, Michael Kanellos quotes inventor Tuomo Hyysalo as saying, "It is like building a bridge."
Art credit: gimp-savvy.com
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