May 14, 2008
Pendulum
1 set up this huge pendulum somewhere in Europe to prove something for the first time.
Identify him and tell us what he proved.
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Answer:
Foucault’s pendulum, which he used to show that the earth rotates.
Check out Madhur’s answer from some details.
Check out Ginkgo100’s comment for a post on the Foucault’s Pendulum at Huston Museum of Natural science. Found this video, which shows the pendulum topple pegs with time.. naaice


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May 14th, 2008 at 10:03 pm, GMT -0700 ( 1210827831 )
Leon Foucault, the Foucault Pendulum……to prove the earth’s rotation
May 14th, 2008 at 10:06 pm, GMT -0700 ( 1210828012 )
1.Jean Bernard Léon Foucault
He suspended a huge 28kg pendulum from the dome of the Pantheon in Paris to prove that Earth rotated about its axis.
May 14th, 2008 at 10:11 pm, GMT -0700 ( 1210828303 )
Leon Foucault
He successfully demonstrated the rotation of the earth.His pendulum at Paris (1851?)was the first dynamic proof of the earth’s rotation in an “easy to watch” experiment format.
Regards,
Tathagata Chatterjee
May 14th, 2008 at 10:11 pm, GMT -0700 ( 1210828305 )
Leon Foucault
Proved the rotation of the earth
(I remember your Rangoli Maker device in Planetarium :))
May 14th, 2008 at 10:18 pm, GMT -0700 ( 1210828711 )
Thats the Foucault’s pendulum, named after the French physicist Léon Foucault.
with it he proved that the earth rotates on its axis and
proved that earts rotation is affected during solar eclipses
May 14th, 2008 at 10:52 pm, GMT -0700 ( 1210830734 )
The man is Leon Foucault. He proved that the Earth rotates about its axis.
May 14th, 2008 at 11:00 pm, GMT -0700 ( 1210831244 )
Leon Foucault
French physicist best known for the invention of the Foucault pendulum, a device demonstrating the effect of the Earth’s rotation
May 15th, 2008 at 12:03 am, GMT -0700 ( 1210834987 )
“31319″: foucault and his pendulum. proved that the world does go around.
May 15th, 2008 at 1:09 am, GMT -0700 ( 1210838980 )
Jean Bernard Léon Foucault and Foucault’s pendulum, a device demonstrating the effect of the Earth’s rotation.
May 15th, 2008 at 1:27 am, GMT -0700 ( 1210840048 )
Jean Bernard Léon Foucault : Focault’s most spectacular demonstration was in 1851 when he demonstrated the rotation of the Earth. He suspended a pendulum, known now as a Focault Pendulum, on a long wire from the dome of the Pantheon in Paris.
May 15th, 2008 at 3:09 am, GMT -0700 ( 1210846189 )
foucault. he proved the earth rotates.
May 15th, 2008 at 3:21 am, GMT -0700 ( 1210846908 )
1-Foucault
2-Foucalt’s Pendulum
2 demonstrated the earth’s rotation.
May 15th, 2008 at 3:31 am, GMT -0700 ( 1210847519 )
Foucault’s pendulum. Rotation of the earth.
You should have given the clue has Eco-friendly :P (Umberto Eco reference)
May 15th, 2008 at 3:56 am, GMT -0700 ( 1210849010 )
Foucalt pendulum to demonstrate the effect of rotation of the earth.
May 15th, 2008 at 3:58 am, GMT -0700 ( 1210849110 )
Leon Foucault ,Foucault’s pendulum , to prove the rotation of the earth.
May 15th, 2008 at 5:02 am, GMT -0700 ( 1210852953 )
1) Leon Foucault
2) He’s best known for the invention of the Foucault pendulum, a device demonstrating the effect of the Earth’s rotation.
May 15th, 2008 at 5:17 am, GMT -0700 ( 1210853856 )
The guy in the picture is Foucault and he setup the Foucault’s Pendulum to prove that the earth rotates
May 15th, 2008 at 5:34 am, GMT -0700 ( 1210854850 )
was dat leon foucault who gave 1st physical proof of earth\\\’s rotation..?
May 15th, 2008 at 5:58 am, GMT -0700 ( 1210856317 )
Léon Foucault’s pendulum demonstrates the precession of the earth.
May 15th, 2008 at 5:59 am, GMT -0700 ( 1210856392 )
Er… to amend my answer… it demonstrates the rotation of the earth by precessing.
May 15th, 2008 at 6:02 am, GMT -0700 ( 1210856530 )
1. Jean Bernard Léon Foucault
Video is of the Foucault pendulum.
Foucault built the pendulum to demonstrate the rotation of the Earth.
May 15th, 2008 at 6:29 am, GMT -0700 ( 1210858166 )
Foucaults Pendulum . Earths rotation
May 15th, 2008 at 7:04 am, GMT -0700 ( 1210860292 )
Leon Foucault
May 15th, 2008 at 7:18 am, GMT -0700 ( 1210861091 )
Focault’s pendulum
May 15th, 2008 at 7:33 am, GMT -0700 ( 1210861999 )
Léon Foucault, Foucault’s Pendulum.
Demonstrates the rotation of the Earth.
May 15th, 2008 at 7:47 am, GMT -0700 ( 1210862820 )
1. Jean Bernard Léon Foucault
He invented the Foucault pendulum which gave the visual proof of the Earth’s rotation.
Using the pendulum he demonstrated that earth rotates due to gravitational force as there is no force acting on the pendulum to make its plane of oscillation rotate or go around its own axis.
At equator, the plane of oscillation of Foucault pendulum remains fixed relative to Earth whereas at other latitudes, the plane of oscillation precesses relative to Earth, but slower than at the pole.
May 15th, 2008 at 8:02 am, GMT -0700 ( 1210863733 )
Foucault pendulum
Léon Foucault set this up in Panthéon, Paris to demonstrate the rotation of earth.
May 15th, 2008 at 9:51 am, GMT -0700 ( 1210870313 )
Foucault pendulum
May 15th, 2008 at 10:20 am, GMT -0700 ( 1210872025 )
Léon Foucault. The Foucalt Pendulum, which was installed to demonstrate the rotation of earth.
May 15th, 2008 at 10:53 am, GMT -0700 ( 1210874034 )
Foucalt,
Earth’s rotation..
May 15th, 2008 at 1:32 pm, GMT -0700 ( 1210883537 )
Leon Foucault. Foucault’s pendulum to prove the rotation of the earth.
May 15th, 2008 at 8:18 pm, GMT -0700 ( 1210907898 )
Léon Foucault,below is Foucault\\\’s pendulum in Paris.It demonstrates the rotation of earth.
May 15th, 2008 at 10:23 pm, GMT -0700 ( 1210915422 )
Léon Foucault. Used this to prove earth\’s rotation