Windmills Windmill Farms Dust Devils
The first true windmill, a machine with vanes attached to an axis to produce circular motion, may have been built as early as 2000 in ancient Babylon. By the 10th century, windmills with windcatching surfaces as long as 16 feet and as high as 30 feet were grinding grain in the area now known as eastern Iran [Persia]and Afghanistan.