29/05/2022
http://www.youtube.com/watch?feature=player_embedded&v=gPgmnGkSrFQ
Versatile Scientific Magnets at Amazon
Here's some thought-provoking titbit about NdFeb magnets: Breakfast cereal often contains iron. Some cereals contain enough iron that it’s pieces are attracted to a magnet.
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Best buy small but strong neodymium magnets on Amazon made of rare earth NdFeb metals. Super strong 10mm cube magnets on sale at Amazon.com - https://amzn.to...