A team of scientists have scanned four letters that were sealed for the last 300 years using an X-ray microtomography scanner. The letters were from the . “We could simply have cut these letters open, but instead we took the time to study them for their hidden, secret, and inaccessible qualities. We’ve learned that letters can be a lot more revealing when they are left unopened.”
Published in the peer-reviewed journal Nature Communication, the study was conducted by researchers from the Massachusetts Institute of Technology (MIT) as well in collaboration with those at the Queen Mary University of London. The study was published on Tuesday, 2 March.