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The famous Faoucault pendulum at the Panthéon in Paris. This pendulum, designed by French physicist Léon Foucault, was an 1851 experiment designed to show the rotation of the Earth. In this case, a 28kg ball is suspended with a 67-metre wire from the middle of the great dome of the Parisian Panthéon.
Pendulum clock "boulle"
black pear inlay in brass and imit. tortoise
cm 90x42x18
Item 93/1
Consolle"boulle"
black pear inlay in brass and imit. tortoise
cm 48x36x24
Item 94/1
Pendulum live concert dj set @ Brancaleone.
Roma 31/03/2012
© Fabrizio Di Ruscio
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In 1581, Galileo began studying at the University of Pisa University of Pisa, where his father hoped he would study medicine. While at the University of Pisa, Galileo began his study of the pendulum while, according to legend, he watched a suspended lamp swing back and forth in the cathedral of Pisa. However, it was not until 1602 that Galileo made his most notable discovery about the pendulum - the period (the time in which a pendulum swings back and forth) does not depend on the arc of the swing (the isochronism). Eventually, this discovery would lead to Galileo's further study of time intervals and the development of his idea for a
pendulum clock.
galileo.rice.edu/bio/narrative_2.html
Galileo was bored. As he listened to a Mass in the drafty cathedral of Pisa in 1581, the 17-year-old student noticed something interesting. A chandelier high overhead was swaying in the breeze, sometimes barely moving and other times swinging in a wide arc. His curiosity aroused, he timed the swings with his pulse. To his surprise, it took the same number of pulse beats for the chandelier to complete one swing no matter how far it moved. The wider the swing, the faster the motion, but always in the same amount of time. So time could be measured by the swing of a pendulum -- the basis for the pendulum clock.
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Hanging from inside the Kannon statue that stands on top of a turtle on top of the Fukusai-ji temple, is a Foucault pendulum. It is 25 meters, and hangs down through the middle of the inner shrine you can see in this shot (Dropping through the hole inside, in front of the altar), and ends in the basement. It is said to be the third longest in the world.
A Foucault Pendulum demonstrates the rotation of the earth on its axis, and in the Nagasaki Kannon Universal Temple, it symbolizes perpetual peace that is hoped to be as eternal and perpetual as the earth's movement and rotation.
This temple was burned to the ground during the radioactive firestorm the ensumed from the atomic bomb dropped on Nagasaki at the end of WWII. It was rebuilt in 1979, with many memorials to those lost during the war.