Yeah, dF = 0 is not very enlightening... http://home.lu.lv/~sd20008/papers/essays/Maxwell's%20equations.pdf http://home.lu.lv/~sd20008/papers/essays/Maxwell's%

Yeah, dF = 0 is not very enlightening... http://home.lu.lv/~sd20008/papers/essays/Maxwell's%20equations.pdf http://home.lu.lv/~sd20008/papers/essays/Maxwell's%20equatio...