Lenz’s Law is one of those physics tricks that look like magic if you don’t understand what’s happening. [Seth Robinson] was inspired by the way eddy currents cause a cylindrical neodymium magnet to ...
Magnets aren't attracted to copper, but when the two come together they can appear to defy gravity. Download the Magnetic Copper PDF (384 Kb). Adobe Acrobat is required. SAFETY: Neodymium magnets are ...
Toyota says it has invented a new magnet for high-energy applications like electric motors that uses a fraction of the amount of neodymium (a rare-earth element) of a standard iron, boron, neodymium ...
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