A mysterious illustrated book held at Yale University is filled with looping handwriting in a script that no one has ever been able to read. Carbon dating places it in the early 1400s. What is it called? The Codex Seraphinianus The Voynich Manuscript The Rohonc Codex The Book of Soyga None In 1990, sculptor Jim Sanborn installed an artwork covered in encrypted text right at CIA headquarters in Langley, Virginia. What is the name of this famously hard-to-crack sculpture? Cipher Enigma Kryptos The Vault None The 1799 discovery of one famous stone slab finally gave scholars the key to reading ancient Egyptian hieroglyphs. Why was this particular stone so useful for decoding them? It had a built-in alphabet chart The same message was carved in three different scripts It glowed under sunlight to reveal hidden letters It came with a translator's handwritten notes None During World War II, the German military scrambled its secret messages using a typewriter-like machine with spinning rotors. What was this famous coding device called? The Enigma machine The Cyclometer The Lorenz typewriter The Hagelin coder None According to a famous 1880s legend, a man named Thomas J. Beale left behind three coded messages pointing to buried treasure in Virginia. One of the three was eventually solved using a surprising "key." What was it? A page from the Bible The U.S. Declaration of Independence A deck of playing cards A map of the Virginia coastline None Stumper. In 1969, a serial killer who called himself the Zodiac mailed a chunk of code to California newspapers. Who finally cracked that first cipher — and how long did it take them? The FBI, using an early supercomputer, in one day A husband-and-wife pair of schoolteachers, in about a week A team of Navy cryptographers, in six months It was never solved None Time's up
