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Nancy, it sounds like a great opportunity, for Don and for Nigeria! Back to the subject of magnetism: I assume that the magnetic field on earth is stroger at the North and South Poles? If so, are people who live closer to the poles healthier than those closer to the equater? I know there is a lot of controversy about people who live near high tension overhead power lines having more cancer. Those lines carry A.C., (alternating current) which create a magnetic field, but it is constantly changing , typically 60 times a second, from one direction to the other. I wonder if they still used D.C. (direct current) lines as they did about 100 years ago, which would create a magnetic field that is constant, if it would improve the health of people in the immediate area? The use of D.C. became impractical, because D.C. can not be modified with transformers, needed to raise the voltage, and reduce the current, allowing the use of longer, thinner lines for transmitting power over distances. Maybe someday we will all walk around with electomagnets and battery packs to energize them. It may sound far fetched, but think about pacemakers for the heart, and the stimulation devices for PD. [log in to unmask]