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Greetings in the Royal Blue day of Archangels Gabriel and Michael ...
Now ... many Scientist ... but do not count me between this type ... forget that ... according to the Hypothesis ... so you get the conclusions ... and an Hypothesis belong generally to "A Theory" ... Einstein Theory of Relativity is but a Theory ... KaluzaKlein is a Theory too ...
Now ... if Einstein Theory consider the ...
 speed of Light ... is a constant ... but is a constant "curved" by the Aether ... and
 The Theory of Relativity consider ... there are no Aether ...
 but there are an Aether and again that Theory consider ...
 The Time Travel are impossible ... but are possible ...
What is the sense of such Theory?
There are no sense ... at all.
Now ... Prof. Einstein (and others) consider by example the massTensor ...
Mass is evidently connected with Matter ... but
We do not have an efficient ... "Theory of Matter"?
Again ... The Einstein Equations are related to ...
where R_{μν} is the Ricci curvature tensor, R is the scalar curvature, g_{μν} is the metric tensor, Λ is the cosmological constant, G is Newton's gravitational constant, c is the speed of light in vacuum, and T_{μν} is the stress–energy tensor.
What Einstein intent to do ... and did ... was a somehow ... extension to ... Newton ... classical formula with Newton G.
but we do not control Gravity ...
Now ... What is the secret of Aether? ...
The Secret of Aether is ... the Potential.
we can consider ... the Tensor Potential if you prefer ... You can see ... Tensor Potential Description of Matter and Space by Boris Hikin.
Now ... may be for some I tell you nothing ... but I tell you almost everything ...
Now ...
 Time is ... Multidimensional ...
 Gravity is ... also Multidimensional ...
 Magnetism is also Multidimensional ...
The Formulae about Mass Tensor or Maxwell Equations in wonderful books like V. Fock from the University of Leningrad dated 1969 ... do not corrispond to real Equations because the very set of Maxwell Equation is bigger ... than a small OliverLorentz set ... written as is written and exposed by KaluzaKlein as exposed. If the results we get are the same (4 instead of 20) ... must be proven ... but is not.
Actual Maxwell Equation representation propose ... some Operators ... that enter in the dynamic of Hodge star Operator.
This Hodge star Operator can be applied to ... 3D, 4D and 5D ... superior to quaternions.
To conclude ... this lead us to a ... Geometry of Electrodynamics ... and a Geometry of Gravitation ... as well a Geometry of Physics (See Theodore Frankel  The Geometry of Physics) ...
Let me hasten you ... and tell you ...
Things are more easy ... but you need to be a Saint ...
Thanks,Dr. Giovanni A. Orlando PS. We prefer do not name the Millenium problems.
