The CIA Has Been Home to an Unsolved Puzzle for 35 Years. Its Creator Just Released the Final Clues.
In 1990, artist Jim Sanborn installed a cryptographic puzzle on the grounds of Central Intelligence Agency in Langely, Virginia. While cryptoanalysts have solved the first three sections of the puzzle ...
The CIA Has Been Home to an Unsolved Puzzle for 35 Years. Its Creator Just Released the Final Clues.
Here’s what you’ll learn when you read this story: In 1990, artist Jim Sanborn installed a cryptographic puzzle on the grounds of Central Intelligence Agency in Langely, Virginia. While cryptoanalysts ...
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