Showing posts with label
pendulum
.
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Showing posts with label
pendulum
.
Show all posts
September 18 - Happy Birthday, Jean Foucault
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Posted on September 18, 2021 This is an update of my post published on September 18, 2010: Born on this day in 1819, in France, Foucault inv...
September 18, 2010
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Happy Birthday, Jean Foucault Born on this day in 1819, in France, Foucault invented the gyroscope and is known by name because of his pen...
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