On This Day ...
Important events from the history of math that happened on this day:
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November 7th
| 1631 | Pierre Gassendi observes the transit of Mercury across the sun, the first observation of a transit of a planet. This had been predicted by Kepler in 1629.
More information about: Transit of Mercury Pierre Gassendi Johannes Kepler |
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| 1940 | "Galloping Gertie," suspension bridge over the Narrows of Puget Sound, Tacoma, Washington, breaks up from a torsional oscillation of steadily increasing amplitude caused by the wind known as the von Karman vortice street. The film is instructive for classes in Differential Equations.
More information about: Galloping Gertie Torsional Oscillation |
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