The author proved in 1923 [1] that Einstein's 1905 theory of special relativity is nothing other than the universal Lorentz law of physics in x-t space.

Once again, Einstein's 1915 theory of general relativity is nothing other than the universal Lorentz law of physics in the four-dimensional unitary space x, y, z-t [2].

Both of these theories are simply expressions of the conservation or constancy of spacetime in free fall.

By the end of 2025, the author expects both of Einstein's theories of relativity to be a thing of the past.

It should be noted that this particular question and its answer should not overshadow the achievements of our giant professor; the most important and rarely mentioned is his prediction of the laser equation in 1917, fifty years before its realization.

So what?

1- I. Abbas, Reformulation of Einstein's Theory of Relativity, ResearchGate and IJISRT journal, 1923.

2- I. Abbas, Foundations of Quantum Mechanics and General Relativity - Theory and Practice

ResearchGate and IJISRT journal, August 2025.

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