Stephen A. Lawrence wrote: > But electrons aren't simple electric charges, and if the electron's > dipole isn't exactly perpendicular to the B field it's in, and if the > field is nonuniform, the electron will feel a (linear) force acting on > it, either up or down the field gradient depending on its orientation > relative to the field. And as soon as it starts to move, it's gained > kinetic energy. > > The energy came from _somewhere_. But where?
>From gravity? Harry
