Eight Unbroken Codes

Anyone who’s read The Scar-Crow Men knows that codes play an important part in the story, as they did for real spies in the sixteenth century…and today.

New Scientist has a great article this week on eight codes that still remain unbroken, from the famous Voynich Manuscript to the CIA’s Kryptos monument to one of the final messages from the Zodiac serial killer.

Worth a read. You’ll have to sign up, for free, but you only get a window of a couple of days to check it out.