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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 ...
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 .
Electrogravitics is claimed to be an unconventional type of effect or anti-gravity force created by an electric field's effect on a mass.The name was coined in the 1920s by Thomas Townsend Brown, who claimed to have discovered such an effect and spent most of his life trying to develop it and sell it as a propulsion system.
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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 ...
The Mystery Spot was the first "gravity-defying" tourist attraction in California and was the most prominent illusion-based tourist attraction in California in the mid-20th century. [20] It has been featured on BuzzFeed , and in the Santa Cruz Sentinel and other newspapers, comic strips, and travel blogs for decades.
Instead of being an anti-gravity force, what Brown observed has generally been attributed to electrohydrodynamics, [citation needed] the movement of charged particles that transfer their momentum to surrounding neutral particles in the air, also called "ionic drift" or "ionic wind". For most of Brown's life, he attempted to develop devices ...
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 ...