Öland is Sweden’s second largest island and rather sparsely populated, with most of the land consisting of farm land and woods. The wooden windmills of Öland, some 400 in number, have become the very symbol of the island. They were mainly built to serve the needs of individual farms....
In this way, theypushed the cultural communication all over the world.Wind played an 2.pat in these things.Later, people learned how to 3.windmills风车)to move the machine that could grind(磨) corn.Ancient farmers were happy to have such an invention.4.could do more things in the same ...
What were windmills used for in the Old West? What is the West that the Frontier Thesis talks about? What did Europeans eat before the Columbian Exchange? What did people eat in the Industrial Revolution? What did the Jamestown colonists eat during the starving time?
turbines.As late as the 1920s,Americans used small windmills to provide electricity in rural areas without electric service.When power lines began to transport electricity to rural areas in the 1930s,local windmills were used less and less,though they can still be seen on some Western farms. ...
Solar panels won’t work since the sun is to distant, windmills won’t work due to the low density of the atmosphere. Only one energy source would be direct matter to energy conversion as in nuclear fission and/or fusion. But it would have to be a really huge reactor, or field of re...