Artificial gravity (and kinda anti-gravity too) - please help to develop concept
PDF) Gravity control with help of de Rham cohomology
Can you have a repulsive gravitational force? What would be the nature of masses that repelled each other? - Quora
Fail Forward Research
Crossfield Generator Device - Alpha Institute for Advanced Studies
Advanced Propulsion Study - PDF Free Download
Gravitomagnetism and Antigravity for Experimentalists from Robert Forward and Bryce DeWitt
Elementary Particles and Accelerators
PDF) General Relativistic Gravity Machine using Electromagneto-Torsion Field
Antigravity Propulsion System
Does any body know anything about Viktor Grebennikov's anti gravity platform? Did it use a vibration motor? Did the position of the wings matter? Anything you know, please tell. - Quora
Nuclear SSTO and SPACE VAGINAS, PDF, Reusable Launch System