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Reminds me of microfiches [0], which sometimes can be seen in movies when people go to a library to read old, archived newspapers.

My dad had a catalog of spare parts from Bosch and a reader, and I loved to spend time with it to look at the diagrams. This was pre-internet days, so this was the way how large catalogs were distributed.

The precision with which they were created was impressive.

These wafers look similar. I wonder how the information density would compare if some of those chips were storage and a couple of them could be used to display the content of the storage.

[0] https://en.wikipedia.org/wiki/Microform#/media/File:Microfic...



It was also how computers were documented, since the paper would take up tens of feet of shelves. You could get the source code for VMS on fiche for example.


There were some very long term backup devices using microfiches, not quite active logic but at least a form of memory.




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