Newton's Einstein's Tesla's thoughts about the Gravity ! Newton: Gravity is a force of attraction between masses, acting at a distance, proportional to their masses and inversely proportional to the square of their separation. Einstein: Gravity is not a force but the curvature of spacetime caused by mass and energy; objects move along geodesics in curved spacetime. Tesla: Gravity is linked to electromagnetic phenomena or an energy medium (ether); he rejected action-at-a-distance and spacetime curvature, proposing a field-based explanation.
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