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randomerr writes:

Martin Kunze wants to gather a snapshot of all of human knowledge onto plates and bury it away in the world's oldest salt mine.

In Hallstatt, Austria, a picturesque village nestled into a lake-peppered region called Salzkammergut, Kunze has spent the past four years engraving images and text onto hand-sized clay squares. A ceramicist by trade, he believes the durability of the materials he plies gives them an as-yet unmatched ability to store information. Ceramic is impervious to water, chemicals, and radiation; it's emboldened by fire. Tablets of Sumerian cuneiform are still around today that date from earlier than 3000 B.C.E.

"The only thing that can threaten this kind of data carrier is a hammer," Kunze says.

[...] The goal of the project, which he calls the Memory of Mankind, is to build up a complete, unbiased picture of modern societies. The sheets will be stored along with the larger tablets in a vault 2 km inside Hallstatt's still-active salt mine. If all goes according to plan, the vault will naturally seal over the next few decades, ready for a curious future generation to open whenever it's deemed necessary.

To Kunze, this peculiar ambition is more than a courtesy to future generations. He believes the age of digital information has lulled people into a false sense that memories are forever preserved. If today's digital archives disappear—or, in Kunze's view, when they do—he wants to make sure there's a real, physical record to mark our era's place in history.

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