Foucault revisited: Argentinean scientists show how to build a pendulum for any classroom
Tuesday, November 9, 2010 - 13:32
in Astronomy & Space
A Foucault pendulum is a simple device for observing the Earth's rotation. While such pendulums have been around for more than 150 years and are a staple of the modern science museum, they are generally large and unwieldy. Now a group of researchers from Argentina has developed a new type of compact pendulum.