Neodymium Speaker Magnets Explained - Official Fluance® Blog
Amazon.com: Magnets for biomagnetism, double polarity, neodymium and ferrite, biomagnetic therapy. : Handmade Products
Options for Directionality of Magnetization
Know your magnets polarities - YouTube
40mm O.D. x 30mm I.D. x 35mm long N42 Neodymium Magnet Assembly - Radially Magnetised | Cylindrical Rod from First4magnets.com
Lecture 9: Compact Motors that Utilize Neodymium Magnets and Their Increase in Torque | Nidec Corporation
Alnico Magnetizing Options
Amazon.com: CMS Magnetics - Magnetic Pole Detector, a Handy Polarity Identifier to Determine Magnet's North or South Poles, Great for School Teachers, Science Projects, and Metal Detector : Industrial & Scientific