Best links about Foucaults pendulum, which demonstrates the Earth is rotating.
Find out everything from how Foucault invented the pendulum to why they prove the earth rotates. Very well presented.
Comprehensive webpage on Foucault's pendulum, with animations, videos and answers to questions you might have.
Video looking at Foucault's pendulum and how we know the world is spinning.
Entry in Smithsonian's encyclopaedia about Foucault's pendulum which showed the Earth was rotating.
The folowing links are external