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I'm graduated engineer physicist from Switzerland. I love physics too much and especially beautiful and simple mathematical proofs of physical models apply to every field related to applied mathematics.

Since twenty years i write a free e-book where i try to compile (compendium) the most beautiful stuff in physics (at least in my point of view) with detailed and simple mathematical proofs. Since two years i'am translating that book in English (yet 4,600 pages translated on 7,000 pages).

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**Physics Forums - The Fusion of Science and Community**