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1. Newtonian Gravity May Have Broken Down In Greenland

... Science Frontiers ONLINE No. 74: Mar-Apr 1991 Issue Contents Other pages Home Page Science Frontiers Online All Issues This Issue Sourcebook Project Sourcebook Subjects Newtonian Gravity May Have Broken Down In Greenland Anomalies in the measurement of gravity in Australian mines have stimulated an experiment in one of the very deep holes drilled in the Greenland ice cap. The hole at location Dye-3 is 2 kilometers deep. Gravity measurements were made at 183-meter intervals between depths of 213 and 1673 meters. Elaborate precautions were taken to assure that ... corrections were made for ice density and the nature of the rock below the ice. Ice-penetrating radar sketched the topography of the icerock surface, and surface-gravity measurements assessed density variations in surrounding ice and rock. The results of this finely tuned experiment are found in the final two sentences of the report's Abstract: "An anomalous variation in gravity totaling 3.87 mGal (3 .87 x 10- 5 m/s 2 ) in a depth interval of 1460 m was observed. This may be ... either to a breakdown of Newtonian gravity or to unexpected density variations in the rock below the ice." (Zumberge, Mark A., et al; "The Greenland Gravitational Constant Experiment," Journal of Geophysical Research, 95:15483, 1990.) From Science Frontiers #74, MAR-APR 1991 . 1991-2000 William R. Corliss ...

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	Science Frontiers The Unusual & Unexplained Strange Science * Bizarre Biophysics * Anomalous astronomy From the pages of the World's Scientific Journals Archaeology Astronomy Biology Geology Geophysics Mathematics Psychology Physics

	About Science Frontiers Science Frontiers is the bimonthly newsletter providing digests of reports that describe scientific anomalies; that is, those observations and facts that challenge prevailing scientific paradigms. Over 2000 Science Frontiers digests have been published since 1976. These 2,000+ digests represent only the tip of the proverbial iceberg. The Sourcebook Project, which publishes Science Frontiers, also publishes the Catalog of Anomalies, which delves far more deeply into anomalistics and now extends to sixteen volumes, and covers dozens of disciplines. Over 14,000 volumes of science journals, including all issues of Nature and Science have been examined for reports on anomalies. In this context, the newsletter Science Frontiers is the appetizer and the Catalog of Anomalies is the main course. Subscriptions Subscriptions to the Science Frontiers newsletter are no longer available. Compilations of back issues can be found in Science Frontiers: The Book, and original and more detailed reports in the The Sourcebook Project series of books. The publisher Please note that the publisher has now closed, and can not be contacted.

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