Science
Reading A Letter That’s Been Sealed For More Than 300 Years—Without Opening It – WBFO
An unopened letter that was mailed back in 1697 but never delivered has been read by researchers who have developed a way to virtually "unfold"
An unopened letter that was mailed back in 1697 but never delivered has been read by researchers who have developed a way to virtually “unfold” sealed letter packets without having to actually break the seal.
The new technique, described in the journal Nature Communications, should allow historians to learn more about “letterlocking,” the practice of using elaborate slits, folds, creases and tucks to turn a flat sheet of paper with a written message into a tamper-resistant package.
Such security…
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