• @egeres
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    18 months ago

    What are they made of anyways?? Could one see any etching marks with a microscope?

    • Morphit
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      fedilink
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      48 months ago

      Usually aluminium or glass. There’s a metallic coating applied to the outside surfaces that stores the data. That layer is very thin though, so most of the material is the substrate.

    • @brlemworld
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      38 months ago

      Bunch of tiny magnets either north or south.