Newton's constant, G, which governs the strength of the gravitational attraction between two masses, is difficult to measure accurately. A new set of experiments aims to end 200 years of uncertainty.
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References
Mohr, P. J. & Taylor, B. N. J. Phys. Chem. Ref. Data 28, 1713–1852 (1999); http://physics.nist.gov/cuu/Constants/index.html
Gundlach, J. H. & Merkowitz, S. M. Phys. Rev. Lett. 85, 2869–2872 (2000).
Arkani-Hamed, N. et al. Phys. Lett. B 429, 263–272 (1998).
Michaelis, W., Haars, H. & Augustin, R. Metrologia 32, 267–276 (1996).
Quinn, T. J. & Speake, C. C. Meas. Sci. Technol. 10, 421–530 (1999).
Quinn, T. J., Speake, C. C. & Brown, L. M. Phil. Mag. A 65, 261–276 (1992).
Kuroda, K. Phys. Rev. Lett. 75, 2796–2798 (1995).
Fitzgerald, M. P. & Armstrong T. R. IEEE Trans. Instrum. Meas. 44, 494–497 (1995).
Richman, S. J., Quinn, T. J., Speake, C. C. & Davis, R. S. Meas. Sci. Technol. 10, 460–466 (1999).
Rose, R. D. et al. Phys. Rev. Lett. 23, 655–658 (1969).
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Quinn, T. Measuring big G. Nature 408, 919–920 (2000). https://doi.org/10.1038/35050187
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DOI: https://doi.org/10.1038/35050187
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