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The Stand-Up Physicist: A Personal Issue with Tensors or Peace Through Maxwell

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Uploaded on Mar 12, 2010

In this show by the Stand-Up Physicist, Doug Sweetser delves into an issue he does not quite understand regarding tensors. First tensors are defined, and the odd Greek letter operations explained. A type of 4D number, the quaternions, is shown to do the same work without Greek. The subject of his confusion are the tensor rules for derivatives. It is shown that quaternions to the same thing less confusion. A road to the Maxwell equations is sketched, showing the power of using quaternions

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