📃 Want to read a delicately folded 300-year-old letter without opening it? 🔍 Researchers from Massachusetts Institute of Technology (MIT), King's College London, Queen Mary University of London, Utrecht University and Universiteit Leiden / Leiden University managed it, using x-ray microtomography scanning. 👀 See how it works: https://newseu.cgtn.com/news/2021-03-05/Unopened-17th-century-letters-read-using-x-ray-scanning-YkZLo0NHbO/index.html | CGTNEurope