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Researchers Use X-Ray Tech to Unravel Centuries-Old Secrets Hidden in Locked Letters Courtesy of the Unlocking History Research Group Archive Subscribe Sputnik International https://sputniknews.com/science/202103031082239260-researchers-use-x-ray-tech-to-unravel-centuries-old-secrets-hidden-in-locked-letters/ Letterlocking is considered a centuries-old technique in which an individual intricately folds a piece of correspondence in order to safeguard the contents from any eagle-eyed snooper. The practice was even tapped by Mary, Queen of Scots, who protected the contents of an 1587 letter to her brother-in-law with a so-called “butterfly lock” seal. A team of scientists and researchers associated with the Massachusetts Institute of Technology recently revealed that they were able to virtually disclose the contents of locked letters by using X-ray machines, as opposed to cutting the letters apart and destroying historical artifacts.

Champagne ardenneUnited kingdomJacques sennacqueDavid millsNature communicationsQueen mary university of londonMassachusetts institute of technologyMassachusetts instituteQueen mary universityBrienne collectionMarie de brienneUnlocking history research groupPierre le persPrize papersX rayஒன்றுபட்டது கிஂக்டம்