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Originally Posted by GUILLE I knew that Einstein was completely against... Now, I have never get to know what Einstein was trying with his research in unifying EM and gravity: was he trying to quantize gravity or to geometrize EM?? |
Einstein was working on the 4-dimensional version of combining gravity field and electromagnetic field. Kaluza sent the 5-dimensional version to Einstein but the respond was lukewarm. So, it was mainly forgotten until it was revived by string theory.
Einstein was only bothered by the probabilistic approach to QM. He believed physical laws must be simple and deterministic. In my view, determinism is possible only if we make the assumption that the complete picture of the universe is the parallel existence of two worlds (matter and antimatter). Einstein had nothing to say about antimatter.