The Names of the Antigravity Source

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Antigravity suits, shoes, rooms, vehicles, motors... in science fiction, any idea that allows neutralizing gravity—as well as the headaches that it entails in telling a story of space travel—is good. So good, that it already appeared in a 17th-century novel, Thomas Godwin's The Man in the Moon (1657), in the form of a mineral called ebelus that has the amazing property of modifying the effects of the gravitational field.