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Physics for the 21st Century

Extra: Tabletop Cavendish Gravity Experiment

Wolfgang Rueckner demonstrates a gravitational torsion balance, which is capable of measuring the gravitational attraction between little objects on the Earth.

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Physics for the 21st Century


Produced by the Harvard-Smithsonian Center for Astrophysics Science Media Group in association with the Harvard University Department of Physics. 2010.
  • ISBN: 1-57680-891-2