Pendulum clock - Wikipedia, the free encyclopedia
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A pendulum clock is a clock that uses a pendulum, a swinging weight, as its timekeeping element. From its invention in 1656 by Christiaan Huygens until the 1930s, the pendulum clock was the world's ...
en.wikipedia.org/wiki/Pendulum_clock
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Pendulum - Wikipedia, the free encyclopedia
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A pendulum is a weight suspended from a pivot so it can swing freely. When a pendulum is displaced from its resting equilibrium position, it is subject to a restoring force due to gravity that will ...
en.wikipedia.org/wiki/Pendulum
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The Pendulum - Wikipedia, the free encyclopedia
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The Pendulum is a 12 issue miniseries of comic books based upon the Dark Carnival universe, a mythology detailed in the music of the Insane Clown Posse. Distributed by Chaos! Comics, the series was...
en.wikipedia.org/wiki/The_Pendulum
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First exhibited in 1851 at the World’s Fair in Paris, the Foucault Pendulum (named after Jean Bernard Leon Foucault, the French physicist who invented it) is a visual demonstration of the Earth’s rotation. Throughout the day, the direction of the pendulum’s swing appears to change.
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www.hmns.org/exhibits/permanent_exhibits/the_pendulum.a...
www.hmns.org/exhibits/permanent_exhibits/the_pendulum.asp
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Something hanging from a fixed point which, when pulled back and released, is free to swing down by force of gravity and then out and up because of its inertia. ... Inertia: means that bodies in motion, will stay in motion; bodies at rest, will stay at rest, unless acted on by an outside force ... What's a pendulum anyway?
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www.calacademy.org/products/pendulum/page1.htm
www.calacademy.org/products/pendulum/page1.htm
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Find out everything from how Foucault invented the pendulum to why they prove the earth rotates. Keep your eyes open for animations and rollovers! (java enabled browser needed)
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www.calacademy.org/products/pendulum/
www.calacademy.org/products/pendulum/
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Christan Hugens invented the pendulum clock in 1659. Christan hugens is a Dutch Sientest.
http://wiki.answers.com/Q/Who_invented_the_pendulum_clo...
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In order to determine the exact period of the pendulum, one must count the number of oscillations within a specified time. Galileo and his students measured the number of oscillations through which a pendulum passes in an entire day, in order to determine its precise period.
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muse.tau.ac.il/museum/galileo/pendulum.html
muse.tau.ac.il/museum/galileo/pendulum.html
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(Galileo Galilei is credited with inventing the pendulum-clock concept, and he studied the motion of the pendulum as early as 1582. He even sketched out a design for a pendulum clock, but he never actually constructed one before his death in 1642.) Huygens' early pendulum clock had an error of less than 1 minute a day,
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physics.nist.gov/GenInt/Time/revol.html
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