A Foucault pendulum, or Foucault's pendulum, named after the French physicist Leon Foucault, was conceived as an experiment to demonstrate the rotation of the Earth; its action is a result of the ...

THE oscillations of a long pendulum are observed to describe an ellipse the axis of which tends to set itself at right-angles to the plane in which the pendulum was started. An explanation of the ...

Scientists have recently found that the temperatures in Saturn's equatorial atmosphere oscillate with a period of about 15 Earth years. The temperature swing's signal was detected by analyzing ...