61K views · 118 reactions | In 1851, the French physicist Léon Foucault provided an experimental proof of the Earth’s rotation using a pendulum in Paris' s Pantheon. https://rfi.my/Awqo.f | RFI English | Facebook

7K views · 256 reactions | While the Earth  rotates underneath, the orientation of the #pendulum changes. First used in 1851, Foucault's pendulum was the first simple, direct way to observe Earth's rotation. : Fin Draper | Griffin Museum of Science and Industry | Facebook

9.6K views · 133 reactions | Who sets up the pendulum pegs? Meet Justin, our lead scenic fabricator, who comes in early every morning to set the pegs up to be knocked down by our Foucault pendulum! | Indiana State Museum | Facebook