“Locked” for 300 years: Virtual unfolding has now revealed this letter’s secrets - Ars Technica

“Locked” for 300 years: Virtual unfolding has now revealed this letter’s secrets  Ars TechnicaRare 'locked' letter sealed 300 years ago is finally opened virtually  CNN High-Tech Scan Peeks Inside Sealed Letters From The Renaissance  NPRNew Technique Reveals Centuries of Secrets in Locked Letters  The New York TimesResearchers read sealed 17th-century letter without opening it  The GuardianView Full Coverage on Google News