Dartmouth Professor Discusses Foucault's Pendulumhttps://youtu.be/aMxLVDuf4VY
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A livestream of a Foucault pendulum from Munich https://www.geophysik.uni-muenchen.de/pendel
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Oh, this is a quite misleading explanation. It's only true at the pole. At any other latitude, the oscillation plane of the pendulum does not remain fixed, but rotates along with the earth. Likewise, the precession period varies with latitude.
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How do the flat-earthers explain this one?
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It takes LONGER than a sidereal day away from a pole, e.g., Paris, and takes an infinite time at the equator, i.e., no apparent change in the plane of oscillation.
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Apparently because you have to do it outside (?!) it's actually the temperature variation from the sun shining on it during the day. Or the gravity from the stars or something, man:https://wiki.tfes.org/Foucault_Pendulum …
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Museum demo idea: Make a smaller "illustrative" Foucault pendulum mounted on a room-sized spinning sphere modeling the earth. You could mount the pendula at various points on the spinning model earth to see the effects at different latitudes. Say visualized with lasers?
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coriolis wouldn't skew its "path" but a pseudo coriolis would skew the picture it projected down, (I think).
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How could the experimenter insure that the pendulum is initially released directly toward the rest/bottom position? I.e., how could the experimenter be confident that he did not impart the apparent rotation/precession?
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