Definitely give it a shot and let us know! I'm really curious about this and it really should be possible as long as you can visualize the magnetic field. For

Definitely give it a shot and let us know! I'm really curious about this and it really should be possible as long as you can visualize the magnetic field. For comparison's sake (several orders of magnitude physically larger), apparently it's entirely possible to visually "read" vinyl records: https://www.wired.com/2003/02/press-scan-to-play-old-albums/ https://www.wired.com/2003/02/press-scan-to-play-old-albums/