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 The Solar Car Book A complete kit for making a cool solar racecar. Everything is included: wheels, axles, motors, wires and a genuine one-volt solar cell. |
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Build Your Own Windmill
See also: 
A windmill is a machine that is powered by the energy of the wind. It is designed to convert the energy of the wind into more useful forms using rotating blades. The term also refers to the structure it is commonly built on. In much of Europe, windmills served originally to grind grain, though later applications included pumping water and, more recently, generation of electricity. The most modern generations of windmills are more properly called wind turbines, or wind generators, and are primarily used to generate electricity. Modern windmills are designed to convert the energy of the wind into electricity. The largest wind turbines can generate up to 6MW of power (for comparison a modern fossil fuel power plant generates between 500 and 1,300MW). With increasing environmental concern, and approaching limits to fossil fuel consumption, wind power has regained interest as a renewable energy source. It is increasingly becoming more useful and sufficient in providing energy for many areas of the world. One area in which it is becoming rather popular is around the
midwest of the United States where, due to great amounts of wind,
turbines have become very useful. Windmills in culture and literatureMiguel de Cervantes's book Don Quixote de La Mancha, which helped cement the modern Spanish language and is regarded as one of the greatest works of fiction ever published, features an iconic scene in which Don Quixote attacks windmills that he believes to be ferocious giants. This gave international fame to La Mancha and its windmills, and is the origin of the phrase "tilting at windmills", to describe an act of futility. George Green, a famous UK self-taught mathematician and physicist, owned and operated a windmill. Green's Windmill has been restored as cultural heritage. The Windmill also plays an important role in Animal Farm, a book by George Orwell. In the book, an allegory of the Russian Revolution and the subsequent early Soviet Union,
the effort invested construction of a windmill is provided by the
animals in the hope of reduced manual labour and increased living
standards. For more information see the following links: References
Further reading
External links
This article is licensed under the GNU Free Documentation License. It uses material from Wikipedia Encyclopedia article "Windmill" |
