There’s some really fun chemistry in the rare-earth magnets - I used to buy them in bulk to enlarge my own IT-workshop collection, which was mostly broken down for Nd salts. Also, the magnets from iMac screens were also plentiful when HDD magnets got small (and then went extinct).
There’s some really fun chemistry in the rare-earth magnets - I used to buy them in bulk to enlarge my own IT-workshop collection, which was mostly broken down for Nd salts. Also, the magnets from iMac screens were also plentiful when HDD magnets got small (and then went extinct).