This patent—granted in 2019 to the Navy—is for a High-Frequency Gravitational Wave (HFGW) generator. It is comprised of (1) a gas-filled outer shell that is electrically charged and vibrated by microwaves (i.e., a vibrating plasma which creates an EM field), which encloses (2) two gas-filled cavities that are acoustically vibrated (i.e., a vibrating plasma which creates a second EM field). The interaction between the two EM fields (shell and cavities) generates fluctuating gravitational fields.
The interaction of vibrating and/or counter rotating plasmas is a common theme we’ve seen before. This interaction leads to mass reduction, among other effects.
Some interesting excerpts:
(1) “The implications of colliding/focusing HFGWs generated by rapidly accelerated vibration/spin of electrically charged systems can be used in applications of propulsion as well as the extreme disruption of a planetary body (if so desired)…”
(2) “Imagine a plurality of HFGWG devices (a minimum of four modules), aligned around a planetary body or planetoid (asteroid/comet) along a planar axis (four cardinal points.” … “…energy would be amplified to such a high degree as to generated a spacetime curvature singularity, leading to total destruction of the planetary body of planetoid…” [shades of phase conjugation]
(3) “It is a feature of the present invention to provide a high frequency gravitational wave generator that can be used for advanced propulsion, asteroid disruption and/or deflection, and communications through solid objects.”
(4) The gas filled shell could be doped with radioactive elements such as Cobalt-57 and Iron-57 to amplify the EM flux density. [shades of Tesla and the Nazi Bell]