Recent content by zasdzcc

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    An excercise in graviation by misner, thorne and wheeler

    Homework Statement My question is on problem 4.1 of Gravitation. In a generic case of electric field and magnetic field(i.e not $$E=0$$ or $$B=0$$ or $$E$$ and $$B$$ perpendicular), define the direction $$\hat{n}$$ unit vector , $$\hat{n}\tanh...