Screw (simple machine) advantage (the ratio of output to input force). Screws are widely used in threaded fasteners to hold objects together, and in devices such as screw tops for containers, vises, screw jacks and screw presses. Other mechanisms that use the same principle, also called screws, don't necessarily have a shaft or threads. For example, a corkscrew is a helix-shaped rod with a sharp point, and an Archimedes' screw is a water pump that uses a rotating helical chamber to move water uphill. The common principle of all screws is that a rotating helix can cause linear motion. The screw was one
The Golden Screw The Golden Screw The Golden Screw was an Off-Off-Broadway folk rock musical written and performed by Tom Sankey which premiered at the Theatre Genesis in September 1966. It ran again from January 30, 1967 to March 5, 1967 at the Provincetown Playhouse in Greenwich Village. The show's cast album was the first rock theatrical recording of its kind. The play follows a Bob Dylanesque singer figure from folk music roots to commercialization. A subsequent production was mounted at Toronto's Global Village Theatre in 1972. Directed by Sankey, the cast included Elan Ross Gibson, Francois Regis-Klanfer and Yank Azman with music