When speaking about a windmill, nowadays we generally point out that machine utilized to convert wind energy into mechanical energy.

Looking back in the past, we discover that the very first effective windmill, that seemed quite distinct than the actual concept of what we currently call a windmill, was the vertical axis windmills. They were formulated in eastern Persia, somewhere around the 9 th century, even though there are a few stories telling that in the 634-644AD this sort of machinery was already being utilized. A similar windmill was utilized in China in the 13 th century.

The vertical windmill originated in northwestern Europe, more precisely in northern France, eastern England and Flanders, in the course of the late part of the 12 th century. These windmills were utilized to grind cereals and their particularity was that the entire body was moving, unlike the tower mills that showed up in the 13 th century, and had merely a part that was rotating, referred to as the timber cap.

Another windmill type is the smock mill, created in England, in 1745, and which is a variation of the tower mill. At that time, windmills started to be utilized for various tasks, like grain grinding, sawmills, threshing, for land drainage or water supply.

Windmills had an extremely significant participation in allowing the cultivation and the ranching of massive areas of North America. Likewise, they were used to expand the rail transport all over the world, as they were pumping water from wells to provide steam locomotives. In Canada, They were a part of fortifications. One of the most extraordinary ones, was the one from Fort Senneville, also called the "most substantial castle-like fort".

Nevertheless, with the industrial revolution, the windmill's position as an energy source was displaced by internal combustion and steam engines. Of course, despite of being an inevitable step in the development of technology, these sources of energy were classed as grave pollutant factors.

That is why, in the present day people tend to come back or to look for alternative energies, to stop the damage that toxic gases have delivered to our planet. Wind and solar energy are growing to be our favorites these days and individuals are willing to make financial sacrifices in order to make a long term investment that in addition to helping them reduce their energy bills, is 100% ecological.

Very much like in other areas, the traditional trends are coming back, and when considering energy, this is true too. People have started to realize the destruction they have caused to our planet, and try to change this. The good, old windmill is now reborn and prepared to help us get the Planet earth back on feet.

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