Padmanabhan, T.2012-03-012012-03-012008-08-01http://hdl.handle.net/11007/61The Foucault pendulum is an elegant device that demonstrates the rotation of the Earth. After describing it, we will elaborate on an interesting geometrical relationship between the dynamics of the Foucault pendulum and Thomas precession discussed in the last installment1 . T h is w ill help us to understand both phenomena betterenFoucault pendulumEarthThomas precessionArticle