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1921 – Dayton Miller conducts aether drift experiments at Mount Wilson. Miller performs tests with insulated and non-magnetic interferometers and obtains positive results. 1921 to 1924 – Miller conducts extensive tests under controlled conditions at Case University. 1924 – Miller repeats his experiments at Mount Wilson and yields a positive result.
There has been a lot of discussion about dark energy and dark matter as concepts to explain certain anomalies in physics such as between mass and gravity. Some scientists are starting to see dark energy as a new reference to the concept of the aether.
There is evidence that Newton and Einstein's theories of gravity cannot explain the dynamics of a universe made up solely of baryons and radiation. To be able to understand the properties of galaxies, clusters of galaxies and the universe on the whole it has become commonplace to invoke the presence of dark matter. An alternative approach is to modify the gravitational field equations to accommodate observations. We propose a new class of gravitational theories in which we add a new degree of freedom, the Aether, in the form of a vector field that is coupled covariantly, but non-minimally, with the space-time metric. We explore the Newtonian and non-Newtonian limits, discuss the conditions for these theories to be consistent and explore their effect on cosmology.