A Letter Never Opened
An unopened letter from 1697 has been opened after 300 years. Researchers used X-rays and algorithms to read it without breaking the seal. This letter was one of 2,600 undelivered ...
Tag: Unanswered Letters
An unopened letter from 1697 has been opened after 300 years. Researchers used X-rays and algorithms to read it without breaking the seal. This letter was one of 2,600 undelivered ...