Encyclopedia > Archimedes' screw

Article Content

Archimedes' screw

Archimedes' screw is one of several inventions and discoveries by Archimedes. It consists of a screw inside a pipe, and is used to lift water. The lower end of the device is put in the water, and the screw is then turned (usually by a windmill or by animal labor), raising the water.

Featured Article

Northampton, Suffolk County, New York

... 20.3% of all households are made up of individuals and 5.7% have someone living alone who is 65 years of age or older. The average household size is 2.96 and the ...