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  2. Salvatore Pais - Wikipedia

    en.wikipedia.org/wiki/Salvatore_Pais

    A "craft using an inertial mass reduction device" (2016), one embodiment of which could be a high speed "hybrid aerospace/undersea craft" able to "engineer the fabric of our reality at the most fundamental level", [7] the patent application for which was supported by the Naval Aviation Enterprise's chief technical officer on the grounds that ...

  3. Reduced mass - Wikipedia

    en.wikipedia.org/wiki/Reduced_mass

    In physics, reduced mass is a measure of the effective inertial mass of a system with two or more particles when the particles are interacting with each other. Reduced mass allows the two-body problem to be solved as if it were a one-body problem. Note, however, that the mass determining the gravitational force is not reduced.

  4. Eötvös experiment - Wikipedia

    en.wikipedia.org/wiki/Eötvös_experiment

    It was also much more accurate. Now generally referred to as the Eötvös balance, this device is commonly used today in prospecting by searching for local mass concentrations. Using the new device a series of experiments taking 4000 hours was carried out with Dezsö Pekár (1873–1953) and JenÅ‘ Fekete (1880–1943) starting in 1906.

  5. Project Daedalus - Wikipedia

    en.wikipedia.org/wiki/Project_Daedalus

    Daedalus would be propelled by a fusion rocket using pellets of a deuterium/helium-3 mix that would be ignited in the reaction chamber by inertial confinement using electron beams. The electron beam system would be powered by a set of induction coils trapping energy from the plasma exhaust stream. 250 pellets would be detonated per second, and ...

  6. Anti-gravity - Wikipedia

    en.wikipedia.org/wiki/Anti-gravity

    Notice that because the negative mass acquires negative kinetic energy, the total energy of the accelerating masses remains at zero. Forward pointed out that the self-acceleration effect is due to the negative inertial mass, and could be seen induced without the gravitational forces between the particles. [19]

  7. United States gravity control propulsion research - Wikipedia

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

    Independent research [41] found small amounts of lift from Brown's gravitator based on an inefficient use of ionic propulsion. The devices were named Ion Lifters or Ionocraft and were reported to be able to lift the empty shell of a vehicle under ideal conditions, but not the additional machinery required to generate the electric field. Gravity ...

  8. Artificial gravity - Wikipedia

    en.wikipedia.org/wiki/Artificial_gravity

    Non-inertial reference frame – Reference frame that undergoes acceleration with respect to an inertial frame; Anti-gravity – Idea of creating a place or object that is free from the force of gravity; Gravitational shielding – Hypothetical shielding of an object from gravity

  9. Project Orion (nuclear propulsion) - Wikipedia

    en.wikipedia.org/wiki/Project_Orion_(nuclear...

    NASA artist rendering, from 1999, of the Project Orion pulsed nuclear fission spacecraft. Project Orion was a study conducted in the 1950s and 1960s by the United States Air Force, DARPA, [1] and NASA into the viability of a nuclear pulse spaceship that would be directly propelled by a series of atomic explosions behind the craft.