That's very cool. Maybe I'll try it, just for lulz.
> I've also stuck a 3 1/4" floppy disk to a huge 2"x2"x5" neodimium magnet with no ill effects. The drive was able to read it fine afterwards with the same md5 hash of the contents.
Right.
But thinking of EvanAnderson's anecdote, maybe a permanent magnet near a spinning platter is a changing magnetic field, from the perspective of the platter surface.
Still, with the platter inside a steel case, you'd need a very strong permanent magnet, held very close.
> I've also stuck a 3 1/4" floppy disk to a huge 2"x2"x5" neodimium magnet with no ill effects. The drive was able to read it fine afterwards with the same md5 hash of the contents.
Right.
But thinking of EvanAnderson's anecdote, maybe a permanent magnet near a spinning platter is a changing magnetic field, from the perspective of the platter surface.
Still, with the platter inside a steel case, you'd need a very strong permanent magnet, held very close.