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The
world's first sailors, the ancient Phoenicians how to use the power of the
wind. In the 1600's the Dutch used wind power on land to pump water from the
Rhine River. People today still use wind energy to generate power creating
electricity.

The blades of the wind mill act as a turbine which turns a set
of gears that drives the generator converting the mechanical energy of
moving water into electrical energy. the amount of power the windmill
produces depends on the speed and the angle the wind going across the
blades. As the blades turn faster the windmill produces more power.
In order
to supply electricity to large areas, hundreds of windmills must be built
together on a wind farm. Places like California, Hawaii, and New
Hampshire use wind farms to provide electricity to areas in these
states. The countries of Denmark and Germany use wind farms to supply
electricity.

Fun
Fact : All the windmills in the U.S. put
together can produce enough electricity to power a city the size of Chicago.
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