[ RadSafe ] Foucault's original 1851 pendulum breaks

[Bob Cherry]

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.