How Does Foucault’s Pendulum Prove the Earth Rotates?

This elegant scientific demonstration has been delighting everyday people for nearly 200 years

by Alicia Ault (from the archives)

https://www.smithsonianmag.com/smithsonian-institution/how-does-foucaults-pendulum-prove-earth-rotates-180968024/

Another interesting article on Foucault's pendulum: https://www.physik.tu-darmstadt.de/der_fachbereich/ueber_den_fachbereich_physik/kunst_am_fachbereich_physik/foucoultpendel/index.en.jsp

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