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VIOLATION OF EQUIVALENCE. “This will lead us to the Dirac-Milne universe, and a possible explanation of the repulsive gravity that we observe in cosmology, called Dark Energy for lack of better comprehension.” https://lnkd.in/daA2SgMy View in LinkedIn

NEGATIVE MASS. “General relativity violates maximally the usual expression of the Equivalence Principle as soon as the existence of negative mass, possibly as virtual constituents of the quantum vacuum, is allowed.” https://lnkd.in/daA2SgMy View in LinkedIn

CONSEQUENCES. “Price also demonstrates that, as soon as negative masses exist, the vacuum will become polarized. While this polarization will go completely unnoticed in weak gravitational fields, such as that of the Earth, in the strong field regime, for example near the horizon of a black hole, the behaviour predicted by general relativity will change dramatically.” https://lnkd.in/daA2SgMy View in LinkedIn

ANTIGRAVITY. “Could it be that antigravity, in the sense of antimatter “falling up”, is actually a prediction, which seems at first antinomic, of general relativity?” https://lnkd.in/daA2SgMy View in LinkedIn

SLIGHT ANTIGRAVITY. “Schiff’s argument that in case of antigravity, bodies should, according to their composition, undergo (slightly) different accelerations in a gravitational field.” https://lnkd.in/daA2SgMy View in LinkedIn

Two of the most important images in Western society, the 1888 Flammarion engraving, and Dürer’s 1514 Melancolia. View in LinkedIn

NEGATIVE MASS. “So, in complete contradiction with intuition, there are only two possible behaviors: a 100% violation of the principle of equivalence, or no violation at all!” https://lnkd.in/daA2SgMy View in LinkedIn

THE PRICE OBSERVATION. “But as soon as the negative and positive masses differ even slightly in absolute value, the composite system always falls with exactly the same acceleration, respecting again the principle of equivalence: although the overall (inertial) mass of the system has decreased —it is equal to the algebraic sum of the two masses of the bound system—the trajectory of the composite system remains the same.” https://lnkd.in/daA2SgMy View in LinkedIn

LEVITATING ANTIMASS. “Richard Price noticed an extremely surprising property: whereas a negative mass falls exactly like a positive mass when it is without interactions, the bound system composed of a mass +m and a mass −m, equal and opposite, levitates and polarizes itself (Fig. 2), the negative mass lying slightly above the positive mass in the levitating system.” https://lnkd.in/daA2SgMy View in LinkedIn

TEST OF ANTIGRAVITY. “If antimatter antigravitates, then, depending on the composition of the body used to test the equivalence principle, for example beryllium and uranium, two elements with rather different binding energies, these bodies should follow different trajectories in gravitational fields.” https://lnkd.in/daA2SgMy View in LinkedIn