"Levitation (from Latin levitas "lightness") is the process by which an object is held aloft, without mechanical support, in a stable position.
Levitation is accomplished by providing ...
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an upward force that counteracts the pull of gravity (in relation to gravity on earth), plus a smaller stabilizing force that pushes the object toward a home position whenever it is a small distance away from that home position. The force can be a fundamental force such as magnetic or electrostatic, or it can be a reactive force such as optical, buoyant, aerodynamic, or hydrodynamic.[citation needed]
Levitation excludes floating at the surface of a liquid because the liquid provides direct mechanical support. Levitation excludes hovering flight by insects, hummingbirds, helicopters, rockets, and balloons because the object provides its own counter-gravity force.[citation needed]" - (en.wikipedia.org 02.10.2021)
