| 21. | In this case no approximation is valid, and reflection can be calculated by solving Maxwell equations numerically.
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| 22. | Both of Kirchhoff's laws can be understood as corollaries of the Maxwell equations in the low-frequency limit.
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| 23. | It is a standard result from the Maxwell equations of classical electrodynamics that an accelerated charge radiates.
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| 24. | But recall that the conformal group on Minkowski spacetime is the symmetry group of the Maxwell equations.
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| 25. | And in the Maxwell equations, the field variables will be expressed in terms of the source current densities.
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| 26. | Then, to obtain an approximate electrovacuum solution, we need only solve the Maxwell equations on a given vacuum solution.
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| 27. | :Maxwells equations can explain this, these are from Faraday's law of induction and Amp�re's circuital law with Maxwell's correction.
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| 28. | The Maxwell equations allow you to calculate the speed of light without specifying an observer who measures this speed.
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| 29. | Similarly, pretty much everything that became encapsulated in the Maxwell Equations could have been discovered and published in 1807.
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| 30. | The key is to realize that the laws of electrodynamics, the Maxwell equations, hold only in an inertial frame.
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