657
Does anyone else harvest the magnets and platters from old drives as a monument to selfhosting history?
(lemmy.world)
Stanley
this post was submitted on 28 Jan 2024
657 points (98.1% liked)
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I used to. Magnets on old hard drives were better. Any drive I've taken apart over the last ten years or so are smaller and more brittle. Not as worth taking apart.
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).
That's amazing. Jaw dropping.
I thought I was cool for making a clock one time.
What are they made of anyways?? Could one see any etching marks with a microscope?
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(3 replies)
I don't want to ruin your fun, but the last time I saw a post like this on reddit, the top comment was: "Don't open hard drives. They contain micro particles from wear and tear, that are as dangerous as asbestos."
Edit: I found the post and comment. The issue mentioned was the cobalt. https://www.reddit.com/r/pics/comments/17il3i3/comment/k6veo9c/?utm_source=share&utm_medium=web2x&context=3
Edit2: I went and searched a bit. This meta-analysis says they found no increased cancer risk for exposure to cobalt particles. https://www.sciencedirect.com/science/article/pii/S0273230021001288
If they were remotely any threat to human population it would of been banned.
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(6 replies)
New Lemmy Post: Does anyone else harvest the magnets and platters from old drives as a monument to selfhosting history? (https://lemmy.world/post/11297090)
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