Originally Posted by The_Heretic

I'm not sure anyone knows what magnetic fields are, but- to date I don't think there's a working theory that they're spacial distrtions. If they are it would be simple to see if they exert or alter gravitation. If that's the case I'm betting the effect is so minor as to be impossible to detect with today's instrumentation. In my science fiction novels I do work with the idea that magnetic fields can distort space the same way the gravity from matter does, thereby allowing a bubble of a spacial sheer to be created, and then letting the sheer-bubble move instead of the vessel within.