The variations of gravity were measured with a high precision LaCoste-Romberg D gravimeter during a total solar eclipse to investigate the effect of a solar eclipse on the gravitational field. The observed anomaly (7.0 Ϯ2.7)ϫ10 Ϫ8 m/s 2 during the eclipse implies that there may be a shielding property of gravitation.PACS number͑s͒: 04.80.Cc, 04.80.Nn, 95.10.Gi
We use a LaCoste-Romberg model D g-ravimeter to meaure the gravitational forces at fixed positions when a large cylindrical reservoir is full and when it is empty. The differences determine the intermediate-range force at various r:eparations around 50m to about 0.5 % accuracy.
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