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Nature 446, 31-32 (1 March 2007) | doi:10.1038/446031a; Published online 28 February 2007
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Physics: Gravity passes a little test
Clive Speake1
Abstract
Newton's gravity, that old classical warhorse, is well established on scales as large as the Solar System. The latest experimental confirmation of its validity is tiny in scale, but big in implications.
Isaac Newton's inverse-square law of gravity has given faultless service ever since that infamous encounter with an apple in the late seventeenth century. It might seem surprising, therefore, that physicists still feel compelled to verify it.
- Clive Speake is at the School of Physics and Astronomy, University of Birmingham, Edgbaston, Birmingham B15 2TT, UK.
Email: c.c.speake@bham.ac.uk
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Upper limits to submillimetre-range forces from extra space-time dimensionsNature Letters to Editor (27 Feb 2003)
