The Atlantic

All of Human Knowledge Buried in a Salt Mine

Fearful of digital decay, a ceramicist wants to return data storage to a more lasting medium: clay.
Source: Manfred Schmid / Getty

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.

So far, he has created around 500 squares, which he allows anyone to design for a small donation. Many preserve memories of the lives or work of people involved in the project. Around 150 of the tablets showcase items from collections in Vienna’s museums of National History and Art History. Some local companies have been immortalized. One researcher’s CV now lies in the vault.

But Kunze aims to expand the project, to copy research, books, and newspaper editorials

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