In the late 1800s, the aether was mainstream science. Physicists like James Clerk Maxwell and Lord Kelvin believed space was filled with an invisible, elastic fluid that facilitated electromagnetic phenomena. However, as the Michelson-Morley experiment failed to detect "aether drift" and Einstein’s Special Relativity emerged in 1905, the scientific community largely abandoned the aether in favor of the vacuum of spacetime.
This perspective shifts the focus from matter to the space around matter. It suggests that if one could manipulate the local density or flow of the ether, one could achieve propellant-less propulsion—the theoretical basis for many "UFO" or "Flying Saucer" technologies discussed within these circles. Occult Ether Physics
The "occult" designation stems from the belief that this physical medium is also the substrate of consciousness and the "life force." Drawing from Theosophy and Hermeticism, this school of thought views the ether as the Akasha or the "Astral Light." It posits that the universe is a nested hierarchy of vibrations, where the dense physical world is merely the slowest, most visible manifestation of the etheric field. In the late 1800s, the aether was mainstream science