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 ...
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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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