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I'm just beginning to learn relativity, but I have a question about why gravity is so different from other forces of nature in GR. As a start, I read that Einstein tried to find a differential geometric representation of the physical universe which represents the Maxwell equations in a similiar way that the curvature of spacetime in GR represents gravitation - but failed. Could someone elaborate on that, or point me to sources where I can read more about it?

Thanks in advance.

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# Maxwell's equations and spacetime

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