M.I.T. researchers have devised a virtual-reality technique that lets them read old letters that were mailed not in envelopes but in the writing paper itself after being folded into elaborate enclosures.M.I.T. researchers have devised a virtual-reality technique that lets them read old letters that were mailed not in envelopes but in the writing paper itself after being folded into elaborate enclosures.Read MoreLetters, Archives and Records, Cryptography, Codes and Ciphers, Research, Mary, Queen of Scots, Nature Communications (Journal), Europe, France, your-feed-science
