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Sealed letters from the Renaissance were finally able to be opened

is a veritable treasure dating back several centuries which has finally been analyzed. As the story of Science Alert, marked by Slate, scientists managed to digitally unfold 577 sealed letters, found in a 17th-century trunk that was in the collection of the Dutch Postal Museum in The Hague, the Netherlands. Thanks to a new x-ray method, these researchers have succeeded in maintaining the initial shape of the letters without having to cut them into pieces and then glue them back together to discover their content.

In addition to the 577 unopened and locked letters, the trunk also contained 3,100 others not delivered during the Renaissance, written in Dutch, English, French, Italian, Latin or Spanish. Equipped with an extremely sensitive X-ray scanner from a research laboratory, the scientists reconstructed the letters in three dimensions so that they could be opened virtually.

So far, the research team has managed to decipher four couriers using this revolutionary method, says Slate. Among them is in particular a letter written on July 31, 1697 by a French jurist living in Lille, who requested an official death certificate from his cousin, who lived in The Hague, presumably for a question of inheritance. According to scientists, this technique could make it possible, in the future, to be able to read virtually tens of thousands of sealed documents all over the world.

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