Michio Kaku mentions in his TV series "Physics of the Impossible" about negative mass being able to repel gravity. I haven't heard much about this before.(adsbygoogle = window.adsbygoogle || []).push({});

How would the negative mass affects the geodesic in spacetime manifold? Perhaps by causing negative curvature of spacetime? Would this actually make object float without propulsion but merely maintaining or stabilizing the negative mass?

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# Negative Mass repels Gravity?

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