The Foucault pendulum which was displayed for many years in the Smithsonian's National Museum of American History was removed in late 1998 to make room for the Star-Spangled Banner Preservation ...

[Matt Little] passed us this link to an interesting technical writeup (PDF) of the clock. The trick behind the most accurate pendulum clock is that it actually has two pendulums (pendula?).

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Let us help you with your inquiries, brochures and pricing requirements Request A Quote Download PDF Copy Download Brochure A selection for impact tensile and impact ...