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Facts for students The power of water FTfs

Facts for students The power of water FTfs

Water wheels are machines that use the energy of flowing or falling water (or both) to turn a wheel. The axle of the turning wheel can then power other machines to do work. Water wheels were used throughout Europe during the Middle Ages (approximately 500 to 1500), as the main source of power for driving large machines.

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Video Game History Timeline | The Strong

Video Game History Timeline | The Strong

Video Game History Timeline. See the full patent document. 1940 For the Westinghouse display at the World's Fair, Edward U. Condon designs a computer that plays the traditional game Nim in which players try to avoid picking up the last matchstick. Tens of thousands of people play it, and the computer wins at least 90% of the games.

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Power tool Wikipedia

Power tool Wikipedia

A power tool is a tool that is actuated by an additional power source and mechanism other than the solely manual labor used with hand tools. The most common types of power tools use electric motors. Internal combustion engines and compressed air are also commonly used. Other power sources include steam engines, direct burning of fuels and propellants, such as in powderactuated tools, or even natural .

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