The extrinsic method
A mathematical method for physical applications

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The extrinsic method is a mathematical method. It helps us to get answers to the so-called (E) question. Please discover the basics and the method in the following document (extern link – new window). I have until now developed two applications in physics:

-           The geodesic deviation equation for weak gravitational fields; please visit; the 4D project.

-           The Heisenberg’s uncertainty principle for the pair (energy, time).