electromagnetism - If you place a spring on a neodymium hard-drive magnet, it appears to vibrate in slow-motion. Why is that so? - Physics Stack Exchange
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Magic of Magnetism
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Magic of Magnetism
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In situ electron holography of the dynamic magnetic field emanating from a hard-disk drive writer | SpringerLink
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Steven M. Anlage Research Page
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Variable Magnetic Field Module | Magnetic Force Microscopy
Magnetic Hard Disk - an overview | ScienceDirect Topics
Winchester hard disk drive with magnetic field values for eq. (I-VI)... | Download Scientific Diagram
A movie "How do hard drive work?" That shows how the hard disk physically records data - GIGAZINE
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