Science
Renaissance-era letter sealed for centuries just virtually unfolded and read for the first time – Livescience.com
X-ray scans and digital reconstructions unlocked long-sealed documents.
More than 600 years ago, someone intricately folded, sealed and posted a letter that was never delivered. Now, scientists have digitally “unfolded” this and other similarly locked letters found in a 17th-century trunk in The Hague, using X-rays
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For centuries prior to the invention of sealed envelopes, sensitive correspondence was protected from prying eyes through complex folding techniques called “letterlocking,” which transformed a letter into its own secure envelope. However, locked letters…
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