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Reading A Letter That's Been Sealed For More Than 300 Years — Without Opening It

npr.org

A computer-generated unfolding sequence of sealed letter DB-1538. New research describes how "virtual unfolding" was used...
A computer-generated unfolding sequence of sealed letter DB-1538. New research describes how "virtual unfolding" was used to read the contents of sealed letter packets from 17th century Europe without physically opening them. Unlocking History Research Group An unopened letter that was mailed back in 1697 but never ...

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