Atlernating strong magnets over copper or aluminum will heat the metal more efficiently than using an electrical induction alternating electromagnetic field will. Simply move alternating polarity magnets over the metal rapidly or fix the magnets and move the metal in a circle rapidly over the magnets. You are NOT trying to generate electricity so you do NOT need to design a circuit. The heat generated with sufficiently rapid alternating fields will make the metal glow. A copper pipe in a ring shape will heat quickly. With a fan over the metal you can heat your house. This is good for the planet because NO COMBUSTION occurs so no Carbon Dioxide is generated and you save money too. #induction_heating #permanent_magnet_induction
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