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A simple machine is a mechanical device that changes the direction or magnitude of a force. [1] In general, they can be defined as the simplest mechanisms that use mechanical advantage (also called leverage) to multiply force. [2] Usually the term refers to the six classical simple machines that were defined by Renaissance scientists: [3] [4 ...
The Japanese educational television program PythagoraSwitch features Rube Goldberg machines during each episode. A "Pythagorean device" is the Japanese colloquial equivalent to a Rube Goldberg machine. In 2024, teams from 14 different countries and 22 USA states participated in the Live and Online Rube Goldberg Machines competitions.
A Rube Goldberg machine, named after American cartoonist Rube Goldberg, is a chain reaction–type machine or contraption intentionally designed to perform a simple task in an indirect and (impractically) overly complicated way. Usually, these machines consist of a series of simple unrelated devices; the action of each triggers the initiation ...
The hand axe is the first example of a wedge, the oldest of the six classic simple machines, from which most machines are based. The second oldest simple machine was the inclined plane (ramp), [6] which has been used since prehistoric times to move heavy objects. [7] [8] The other four simple machines were invented in the ancient Near East. [9]
Wheelchair ramp, Hotel Montescot, Chartres, France Demonstration inclined plane used in education, Museo Galileo, Florence.. An inclined plane, also known as a ramp, is a flat supporting surface tilted at an angle from the vertical direction, with one end higher than the other, used as an aid for raising or lowering a load.
Motorcycle daredevils; Tyler takes the new slide machine for a drive. October 24, 1999 53 "Freaky Flying" Behind the wheel of a blimp; para-gliding; military spy plane. October 31, 1999 54 "Our Greatest Hits III" Some of the most awesome adventures returns in this special episode. November 7, 1999 55 "Pirates and Gold"
Al-Jazari described complex programmable humanoid automata amongst other machines he designed and constructed in the Book of Knowledge of Ingenious Mechanical Devices in 1206. [22] His automaton was a boat with four automatic musicians that floated on a lake to entertain guests at royal drinking parties. [ 23 ]
The following outline is provided as an overview of and topical guide to machines: Machine – mechanical system that provides the useful application of power to achieve movement. A machine consists of a power source, or engine, and a mechanism or transmission for the controlled use of this power.
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