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Microsoft develops ultra durable glass plates that can store several TBs of data for 10000 years
(unlocked.microsoft.com)
This is a most excellent place for technology news and articles.
Maybe if we build it for ourselves. Looks beautifully simple. The encoding is probably a little trick but we can get there.
Just need a laser that can make marks in glass at different depth.
Doesn't sound impossible, CD burners for home consumers would once have been thought of as an outlandish idea