Gravity manipulation
Gravity manipulation refers to claimed technologies that modify, shield, or exploit the gravitational field for propulsion or levitation. Research programs in this domain span from pre-war civilian experiments through postwar classified aerospace programs to present-day secret space program (SSP) craft reported by whistleblowers. Central to the field is the hypothesis that electromagnetism and gravity are coupled, making electromagnetic methods viable for gravitational engineering.
Thomas Townsend Brown and the Biefeld-Brown effect
The foundational figure in twentieth-century gravity manipulation research is Thomas Townsend Brown, an American physicist who discovered in the 1920s that a highly charged capacitor experiences a thrust in the direction of the positive pole — a phenomenon later named the Biefeld-Brown effect after Brown and his mentor Paul Alfred Biefeld. Brown demonstrated that the effect scaled with voltage and persisted in vacuum, ruling out simple ionic wind explanations and suggesting a direct coupling between electric charge and gravitation. Brown subsequently connected with Project Magnet, Canada's classified UFO research program of the 1950s, and maintained correspondence with its director Wilbert Smith, whose project hypothesized that the discs reported over North America were utilizing electrogravitics.
Researcher and filmmaker Jesse Michels, whose documentary on Brown brought renewed attention to the subject, described the potential implications: a quote attributed to Brown's lineage states that marrying electromagnetism with gravity in the way Brown envisioned "would make a thermonuclear bomb look like a child's firecracker."
Antigravity research going dark
Multiple researchers and insiders report that electrogravitics research was actively classified in the late 1950s. Nick Cook, aviation editor of Jane's Defence Weekly, documented in his 2002 investigation that promising aerospace anti-gravity programs disappeared from open literature simultaneously and without published explanation, consistent with a coordinated classification effort. The timing coincides with the emergence of string theory as the dominant theoretical paradigm — a transition some critics characterize as a deliberate redirection away from gravitational engineering toward unfalsifiable mathematical frameworks.
Salvatore Pais and the Pais effect
Dr. Salvatore Pais, a physicist and engineer at the U.S. Naval Air Station Patuxent River, filed a series of patents for the U.S. Navy between 2016 and 2019 describing craft using what he termed the Pais effect: extremely high energy densities generated by the accelerated vibration of a non-equilibrium plasma, in which electrons are not in a Maxwell-Boltzmann distribution (a cold plasma). Pais argued that sufficiently extreme energy densities — on the order of 1025 joules per cubic metre — would produce spacetime curvature effects capable of reducing a craft's effective inertial mass. One of Pais's patents describes spinning electrified solid objects at up to 10,000 radians per second to generate the required electromagnetic radiation density.
Eugene Podkletnov's gravity shielding
Soviet-Finnish physicist Eugene Podkletnov reported in 1992 that a spinning superconducting ceramic disk at the University of Tampere showed measurable weight reduction in objects placed above it — roughly 0.3–2% depending on rotation speed and disk configuration. Later claims described a gravity impulse generator capable of projecting a beam of gravitational reduction at speeds exceeding 1,000 km per second. NASA and Boeing both attempted replication programs in the early 2000s, with Boeing's program (Project GRASP) remaining classified.
Spacetime torsion and anti-gravity geometry
David Chester, a physicist at Quantum Gravity Research with degrees from MIT and UCLA, has argued that spacetime torsion — an extension of general relativity first introduced by mathematician Élie Cartan — may provide a theoretical framework for anti-gravity propulsion. Where standard Einsteinian gravity curves spacetime via mass-energy, torsion introduces a complementary twisting of spacetime — Cartan's motivation being that rotating matter ought to source a torsional drag analogous to how mass sources curvature. Chester notes that Einstein himself explored torsion and related exotic differential geometry after 1915, and that this mathematics has been quietly advancing in the literature for decades despite little mainstream attention.
Chester is skeptical of claims that observed UAP violate the laws of physics, arguing instead that the objects may employ electromagnetic or gravitational effects not yet understood by current engineering: "What laws of physics are these UFOs violating? I don't understand this concept." He has noted the consistent reports across multiple alleged UAP crash retrievals — including Roswell and Varginha — of a thin, crumple-resistant metallic foil material, and observed that advanced metamaterials engineering would be the natural direction for any serious anti-gravity program. Chester has also discussed the possibility that classified government aerospace programs may have suppressed anti-gravity breakthroughs to protect existing economic interests in the energy and transport sectors.
SSP gravity drive claims
Secret space program whistleblowers including Corey Goode describe craft operating in the Solar Warden and Interplanetary Corporate Conglomerate programs as using gravity drives — propulsion systems that warp local spacetime rather than expelling reaction mass — allowing instantaneous directional changes at high velocity and operation in vacuum, atmosphere, and water without modification. The U.S. Navy publicly filed patents citing the theoretical basis for such systems, with Pais describing the "hybrid aerospace-undersea craft using an inertial mass reduction device" as capable of operating in all three media.