Archimedes' screw a crank mechanism in his "Bellifortis" (1405). This mechanism quickly replaced the ancient practice of working the pipe by treading. The Archimedes screw consists of a screw (a helical surface surrounding a central cylindrical shaft) inside a hollow pipe. The screw is usually turned by windmill, manual labor, cattle, or by modern means, such as a motor. As the shaft turns the bottom end scoops up a volume of water. This water is then pushed up the tube by the rotating helicoid until it pours out from the top of the tube. The contact surface between the screw and the
Garden of Archimedes Garden of Archimedes The Garden of Archimedes (Italian: "Il Giardino Di Archimede") is a museum for mathematics in Florence, Italy. It was founded on March 26, 2004 and opened its doors to the public on April 14 of that year. The mission of the museum is to enhance public understanding and perception of mathematics, to bring mathematics out of the shadows and into the limelight. It has been compared to the National Museum of Mathematics in New York City, the only museum in North America devoted to mathematics. The Garden of Archimedes was set up in 2004 by a consortium