Download the Magnetic Copper PDF (384 Kb). Adobe Acrobat is required. SAFETY: Neodymium magnets are surprisingly powerful when they snap towards metal or another magnet. Mind your fingers and don ...

such as neodymium magnets, with abundant and environmentally friendly materials like copper. “Using copper coils instead of rare Earth materials in the motor’s rotating part is much more ...

But rather than using alternating currents through large inductors, [Tim] put 40 neodymium magnets with ... To test this setup, [Tim] used a scrap of copper pipe with a bit of water inside.