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This Defense Intelligence Reference Document from the Defense Intelligence Agency is dated 3 January 2011. It was produced under the Advanced Aerospace Weapon System Applications (AAWSA) Program as part of a series of advanced technology reports. The report asks whether negative mass exists and whether it could be used for propulsion. It concludes that one route might be an ultra-light form of matter that could have gathered at the Moon's center. Reaching it would take a tunnel dug with thermonuclear shape charges.
“rotating”7 pages
UNCLASSIFIED//f81il 8ffllil.t.k Wfili IH.k\f 3. Hund's Nonlinear Newtonian Theory of Gravity As explained by Hund [3], already Newton's theory of gravity, in conjunction with the postulates of special relativity, leads to a nonlinear theory of gravity. With this model theory of gravity the nonlinearity of the gravitational field can be much better explained than with Einstein's theory. Hund begins with the force F acting on a mass m in a "merry-go-round": mv F=mg+-xG. C (11) If g is the gravitational acceleration by real masses with the density p, one has in Newton's theory divg =-4nyp. (12) In the merry-go-round g has a vertical component from the earth's gravitational field, but also a radial component by the radial centrifugal acceleration which is not source- free. With lxl = (1/r, where OJ= 2tr/T, with T the time of revolution, and r the radial distance from the center of the merry-go-round, one has divg = 2a/ _ (13) Comparing (13) with (12) one sees that the centrifugal force corresponds to a gravitational repulsion of a homogeneous mass density (14) For a typical "merry-go-round" one has T = 10 sec, and hence, w = 0.6s 1 • For this example one obtains from (14), f.L=-106 glen/, taken as an absolute value about equal to the mass density of a white dwarf. 6 UNCLASSIFIED//FQA: QFFI&l11J.k W&liii Q•lklf
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Report, from the dia collection. The PDF is mirrored here; the original link is under it. 43 pages are in the text index: search them above, or from the library's search.