A windmill is a mill that converts the energy of wind into rotational energy by
means of vanes called sails or blades. Centuries ago, windmills usually were
Windmills, also called wind turbines, are used for a wide variety of purposes,
which include pumping water, grinding meal into flour, generating electricity and
The energy payback of a modern windmill (the time it takes to get back the
energy used to manufacture and install each windmill) is between 6 and 9
The terms wind energy or wind power describe the process by which the wind is
used to generate mechanical power or electricity. Wind turbines convert the ...
There are over 1000 windmills in Holland. Some are still being used for drainage,
such as one or two of the nineteen in Kinderdijk. The Molen de Otter, still in ...
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Mar 22, 2013 ... Check out us at:http://www.tutorvista.com/content/physics/physics-ii/fission-and-
fusion/windmill.php Windmill Water Pump Windmills were used ...
Traditionally, the energy generated by a windmill has been used to grind grain
into flour. Windmills are designed by skilled craftsmen and can be constructed on
Vertical-axis windmills were also used in China, which is often claimed as their
birthplace. While the belief that the windmill was invented in China more than ...
Complete advice on installing Solar Panels and Wind Turbines. ... in use for
centuries, with the first windmill believed to used in Persia in the 9th century CE.
Learn how wind energy works, what it's used for, and how it can improve our lives
at ... People started using wind power centuries ago with windmills, which ...