Electricity from the sea

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Posted by on March 10, 2007 at 21:33:21:

In Reply to: PG&E Applies for Preliminary Tidal Energy Permits for Humboldt and Mendocino Coasts posted by on March 08, 2007 at 00:16:24:

Dreams of converting ocean energy into electricity move closer to commercial reality.

Off the western coast of Scotland, on the Isle of Islay, science teacher Ray Husthwaite turns on the light in his classroom.

The electricity comes from a power cable that runs to the mainland.

But it also comes from the ocean.

A few miles from the school, wave action compresses and decompresses air in a chamber. The moving air powers a turbine, which generates electricity.

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