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  2. Anti-gravity - Wikipedia

    en.wikipedia.org/wiki/Anti-gravity

    Anti-gravity (also known as non-gravitational field) is the phenomenon of creating a place or object that is free from the force of gravity. It does not refer to either 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 .

  3. United States gravity control propulsion research - Wikipedia

    en.wikipedia.org/wiki/United_States_gravity...

    Literature from that period used the terms anti-gravity, anti-gravitation, baricentric, counterbary, electrogravitics (eGrav), G-projects, gravitics, gravity control, and gravity propulsion. [ 1 ] [ 2 ] Their publicized goals were to discover and develop technologies and theories for the manipulation of gravity or gravity-like fields for ...

  4. Electrogravitics - Wikipedia

    en.wikipedia.org/wiki/Electrogravitics

    Electrogravitics has become popular with UFO, anti-gravity, and government conspiracy theorists [5] where it is seen as an example of something much more exotic than electrokinetics, i.e. that electrogravitics is a true anti-gravity technology that can "create a force that depends upon an object’s mass, even as gravity does". [10]

  5. Ning Li (physicist) - Wikipedia

    en.wikipedia.org/wiki/Ning_Li_(physicist)

    AC Gravity was awarded a United States Department of Defense grant for $448,970 in 2001 to continue anti-gravity research. The grant period ended in 2002 but no results from this research were ever made public. [9] No evidence exists that the company performed any other work, although as of 2021, AC Gravity still remains listed as an extant ...

  6. Artificial gravity - Wikipedia

    en.wikipedia.org/wiki/Artificial_gravity

    Artificial gravity, or rotational gravity, is thus the appearance of a centrifugal force in a rotating frame of reference (the transmission of centripetal acceleration via normal force in the non-rotating frame of reference), as opposed to the force experienced in linear acceleration, which by the equivalence principle is indistinguishable from ...

  7. Thomas Townsend Brown - Wikipedia

    en.wikipedia.org/wiki/Thomas_Townsend_Brown

    Thomas Townsend Brown (March 18, 1905 – October 27, 1985) [1] was an American inventor whose research into odd electrical effects led him to believe he had discovered a type of anti-gravity caused by strong electric fields.

  8. Hovercar - Wikipedia

    en.wikipedia.org/wiki/Hovercar

    In science fiction, it is capable of elevating itself some distance from the ground through some repulsion technology, presumably exploiting some short range anti-gravity principle so as to eliminate most friction forces which act against conventional vehicles

  9. Acoustic levitation - Wikipedia

    en.wikipedia.org/wiki/Acoustic_levitation

    Acoustic levitation is a method for suspending matter in air against gravity using acoustic radiation pressure from high intensity sound waves. [1] [2] It works on the same principles as acoustic tweezers by harnessing acoustic radiation forces. However acoustic tweezers are generally small scale devices which operate in a fluid medium and are ...