'Named after its 19th century inventor, this pendulum demonstrates the Earth's rotation'
Foucault\'s Pendulum
SCIENCE: Named after its 19th century inventor, this pendulum demonstrates the Earths rotation
Named after its 19th century inventor, this pendulum demonstrates the Earth's rotation
Named after its 19th century inventor, this pendulum demonstrates the Earth's rotation
SCIENCE
Foucault\'s Pendulum
SCIENCE