Silver-based photographs have lasted over a hundred years (as have actual books)... | Hacker News

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		vr46 on Jan 20, 2022 \| parent \| context \| favorite \| on: Totenpass is a permanent digital storage drive mad... Silver-based photographs have lasted over a hundred years (as have actual books) so I think we're probably ok for archival media. There was a process I knew of years ago that replaced the silver in photos with gold or other metals, so that ought to nail it.

ChrisMarshallNY on Jan 20, 2022 | [–]

Folks in the UK may remember this fiasco: https://en.wikipedia.org/wiki/BBC_Domesday_Project

ChrisMarshallNY on Jan 20, 2022 | [–]

> There was a process I knew of years ago that replaced the silver in photos with gold

This process?

https://science.howstuffworks.com/alchemy-to-chemistry.htm

vr46 on Jan 20, 2022 | [–]

LOL, no, more like using this: https://tetenal.com/pdf/pi/101126e.pdf

ChrisMarshallNY on Jan 20, 2022 | | [–]

Thanks!

TIL

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