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"Because, of course, there are no other magnetic fields around. The earth doesn't have it's own"..Steve
Well, the Earth's magnetic field isn't quite strong enough (or, more accurately, localized enough) to hold several tons of steel, etc. a few milimeters above it's surface in one spot. I know we're surrounded with electric motors, generators, hard drives, electrical transmission lines, fridge magnets etc. But there has got to be some serious energy exerted by this thing.
Les
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Les
My train of thought has been replaced by a bumper car.
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