Comment by userbinator

13 hours ago

Magnetic field cameras exist:

https://matesy.de/en/products/cmos-magview

https://en.wikipedia.org/wiki/File:Visualization_of_magnetic...

1 comment

userbinator

Could you use them on a hard disk platter? Is there software out there for recovery of data from a set of platters taken from a bad HDD for which replacement heads / doner drives are not longer available?