[ RadSafe ] Foucault's original 1851 pendulum breaks

Bob Cherry bobcherry at satx.rr.com
Tue Jun 15 19:40:24 CDT 2010

Off topic, but interesting

Bob C


Foucault’s original 1851 pendulum breaks

By Physics Today <http://physicstoday.org>  on May 18, 2010 8:42 AM | 

Times Higher Education
<http://www.timeshighereducation.co.uk/story.asp?storycode=411529> : The
pendulum that Léon Foucault used in his famous demonstration of Earth’s
rotation is irreparably broken. Last month, the cable supporting the
pendulum’s 28-kg brass bob snapped, causing the bob to crash onto the marble
floor of the Museum of Arts and Crafts in Paris.


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