invention Of First Windmill
Windmills??
how do they take the rotational energy and turn it into electricity..?
I need a detailed explanation please 
Im try to do make an invention.. we have to do it in our english class and mine requires me knowing somethign about this topi c ..
thanks so much
The rotational energy is applied to a generator, either directly or via gears. The rotating magnets (in a simplified version) in the generator create electricity.
see http://en.wikipedia.org/wiki/Wind_turbine
http://en.wikipedia.org/wiki/Electrical_generator
for more details.
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