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Anti-gravity is the phenomenon of creating a place or object that is free from the force of gravity. It does not refer to the lack of weight under gravity experienced in free fall or orbit, or to balancing the force of gravity with some other force, such as electromagnetism or aerodynamic lift, for example in vactrains. Gyroscopic perpetual motion devices produce a force when twisted that operates "out of plane" and lift themselves against gravity. The antimatter counterpart of every matter part

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