Originally posted by FRANKLIN
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In theory, copper is a better conductor than iron. You can buy copper clad iron rods, which should be a bit cheaper than pure copper rods, but again keep in mind that it appears that no one has ever been able to get a B&L device to actually produce over unity. At least no one has ever been able to demonstrate any over unity in a reasonably convincing way with this type of setup other than what Barbosa and Leal have claimed in their videos and patents.
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