Reflections on a measurement of the gravitational constant using a beam balance and 13 tons of mercury

Abstract

Abstract In 2006, a final result of a measurement of the gravi- tational constant G performed by researchers at the University of Zürich, Switzerland, was published. A value of G=6.674252(122)×10−11 m3 kg−1 s−2 was obtained after an experimental effort that lasted over one decade. Here, we briefly summarize the measurement and discuss the strengths and weaknesses of this approach.

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