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arXiv:0809.2379physics.class-ph

The theory of relativity and the Pythagorean theorem

L. B. Okun

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Abstract

It is shown that the most important effects of special and general theory of relativity can be understood in a simple and straightforward way. The system of units in which the speed of light $c$ is the unit of velocity allows to cast all formulas in a very simple form.The Pythagorean theorem graphically relates energy, momentum and mass. The paper is addressed to those who teach and popularize the theory of relativity.

arXiv comments
19
Journal reference
Physics-Uspekhi 51 (2008) 622
DOI
doi:10.1070/PU2008v051n06ABEH006552
Subjects
physics.class-phClassical Physics physics.ed-phPhysics Education physics.pop-phPopular Physics

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