#foucaultpendulum — Public Fediverse posts
Live and recent posts from across the Fediverse tagged #foucaultpendulum, aggregated by home.social.
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Measure the Earth’s Rotation Victorian Style
https://web.brid.gy/r/https://hackaday.com/2026/05/13/measure-the-earths-rotation-victorian-style/
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`The Lense-Thirring effect, a prediction of general relativity, implies that massive rotating objects like Earth can slightly "drag" spacetime, which could affect the pendulum's oscillation. This effect, though theoretically significant, is currently too small to measure with a Foucault pendulum.`
https://en.wikipedia.org/wiki/Foucault_pendulum#Absolute_reference_frame_for_pendulum
#physics #Foucault #pendulum #FoucaultPendulum #Earth #rotation #relativity #generalRelativity #Einstein