Copper is non magnetic basically. You need Ferrous materials for that. However it is an excellent electrical current conductor and when moved through a magnetic field, or a moving magnetic field in close proximity, it will develop an electrical current proportional to the stimulus. That's how magnetos work; aka the Faraday effect and Maxwell's equations physics. Transformers do it too except the magnetic field is produced by an electric current and then coupled to the other side; primary to secondary or vice versa. Works in both directions.
Around here the "insiders" ones born and raised here, used a couple of iron rods, aka #3 rebar bent at a right angle so that you could hold them in your hand yet the ends were horizontal and parallel.
Same senario. Rods parallel, walk the walk, when the rods crossed you were over "water" they said. I watched a couple of "pros" in the act watching for finger movement.....aka simulating water when there was none. Can't comment either way on did they cheat or not. But found no water where they said it was.
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Today's Featured Article - Tuning Up Your Tractor: The Battery - by Curtis Von Fange. Buried somewhere beneath the sheetmetal, under the gas tank, or stuffed in front of the radiator is the battery. This elusive and neglected component of the tractor is the hardest to get to when it is dead and in need of a jump. But usually, the storage battery is a storehouse of electrical energy waiting to be released a the flick of a switch. A few maintenance tips and periodic cleaning will keep it charged for the duration of its life span. The battery is made up of a number of lead bas
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