File:Foucault pendulum utexas plaque.jpg
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| Description |
English: Plaque of foucault pendulum in the stairwell of the Development Office Building (DEV) at the University of Texas at Austin.
Text: FOUCAULT PENDULUM This Foucault Pendulum, the first to be successfully installed in Texas, clearly demonstrates the rotation of the earth. Using the earth's rotation as first proposed by Copernicus, and Newton's law of physics which states that a body set in motion maintains the same direction unless affected by an outside source, Jean Foucault a French physicist demonstrated the rotation at the Paris Observatory in 1851 using a cannon ball suspended from the dome of the Pantheon. The apparent movement is actually the earth's rotation, not that of the pendulum. A pendulum swinging over the earth's pole would progress 360° every 24 hours while one at the equator would swing in only one plane. Our pendulum in Austin, Texas, located at 30° North Latitude progresses clockwise 180° every 24 hours An electromagnet at the pivot point keeps the pendulum in motion, providing the force to overcome frictional resistance. As the earth's motion through the solar system is demonstrated here, we are reminded of our roles as custodian of this spaceship. Engineering-Science, Inc. June 1983 |
| Date | |
| Source | Own work |
| Author | Spheroidite |
| Camera location |  | View this and other nearby images on: OpenStreetMap |  |
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Commemorative plaque
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 17:12, 28 September 2022 | | 2,010 × 2,774 (1.79 MB) | Spheroidite (talk | contribs) | Uploaded own work with UploadWizard |
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