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Googling from your comment led to M-Discs, which are available in dvd or blu ray, up to 100gb discs. That looks extremely useful.

• deleted 2y ago
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• kevindamm 2y ago
  ah, thanks for catching the typo, it was getting late for me, I should have pulled up a link or something because I haven't worked with these discs in a decade or so.. yeah those are the ones I'm referring to -- if you're archiving something like family history or data that needs to be good for centuries (without having to re-copy and juggle), those are a better choice than just about anything else. https://en.wikipedia.org/wiki/M-DISC https://en.wikipedia.org/wiki/M-DISC
  • tom_wilde 2y ago
    What beats M-Disc? Genuinely curious just having bought one.
    • kevindamm 2y ago
      Nothing comes to mind that you can interface with a computer, but when I wrote the phrase I was thinking of projects on the scale of Long Now [0], requiring physical etching on materials and very careful storage. Alternatively, tell people that they can't store something and you're likely to find it robustly mirrored by many. [0] https://longnow.org/ideas/very-long-term-backup/ https://longnow.org/ideas/very-long-term-backup/
      • tom_wilde 2y ago
        Well that was a fascinating diversion. This is bonkers! https://norsam.com/products/buddhist-nano-film/ https://norsam.com/products/buddhist-nano-film/