Plato has a theory of the limit in the Timeus: the figures and their outlines.
On June 30, 1999, sheriff’s officers in St. Louis, Missouri discovered the body of 41-year-old Ricky McCormick. He had been murdered and dumped in a field. The only clues regarding the homicide were two encrypted notes found in the victim’s pants pockets.
Despite extensive work by our Cryptanalysis and Racketeering Records Unit (CRRU), as well as help from the American Cryptogram Association, the meanings of those two coded notes remain a mystery to this day, and Ricky McCormick’s murderer has yet to face justice. (…)
The more than 30 lines of coded material use a maddening variety of letters, numbers, dashes, and parentheses.
related { Kryptos, a sculpture by Jim Sanborn commissioned by the CIA. Since its dedication on November 3, 1990, there has been much speculation about the meaning of the encrypted messages it bears. Of the four sections, three have been solved, with the fourth remaining one of the most famous unsolved codes in the world. | Wired | Wikipedia | Thanks Tim }