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Key terms: mass gravity effect physics claimed devices matter gravitational attempts general relativity solutions spin propulsion geometry torr heim point mass negative mass mathbf equations paths et al experiment gyroscope tensor particle antigravity newtonian spacetime yielded superconductor antimatter electromagnetism unlikely diverging normal matter conspiracy levitation fifth force tidal force gravitational field proportional gravity research demonstrated under general relativity science fiction thomas townsend widely accepted gravitational force rotating superconductor Search external links cited by footnotes on Wikipedia page Anti-gravity: |
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