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Phys. Rev. Lett. 58, 1066–1069 (1987)

Search for a substance-dependent force with a new differential accelerometer

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P. Thieberger
Brookhaven National Laboratory, Upton, New York 11973

Received 5 December 1986; published in the issue dated 16 March 1987

A well-balanced hollow copper sphere freely floating and almost totally submerged in water is observed to move toward the nearby edge of a cliff. This observation is consistent with a substance-dependent, medium-range force postulated in a recent reanalysis of the Eötvös experiment. Further measurements with different elements and geometries will be required to establish definitely the existence, source, and description of such a new force.

© 1987 The American Physical Society

URL:
http://link.aps.org/doi/10.1103/PhysRevLett.58.1066
DOI:
10.1103/PhysRevLett.58.1066
PACS:
04.90.+e, 93.85.+q

See Also

Comment: Humphrey J. Maris, Comment on ‘‘Search for a substance-dependent force with a new differential accelerometer’’, Phys. Rev. Lett. 60, 964 (1988).