http://youtube.com/watch?v=xvIY0w4j1FA& ... ed&search=
They are also coated because they will react with the air, kind of like old lighter flints laying around in that respect. Yawn.
"Unlike most other materials, Neodymium will rust in humid environments, and if exposed to such environments should be somehow protected. This can be done by painting, oiling the surfaces, or plating."
http://magnetsales.thomasnet.com/viewit ... sc-magnets
Some viewer comment. ha
"agreed thanks!!! We don't want Blendtec to start exxagerating things!"