The files include operating instructions for the SG-41, encryption rules and key tables used during the closing weeks of the war ...

In Part I, you broke a simple cipher. Now try creating a more complex cipher. Cut out the NOVA Decoder Ring and NOVA Cipher Code Ring and the window marked INDEX. You are now going to put this simple ...

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A coded letter mailed to a San Francisco newspaper by the Zodiac serial killer in 1969 has been deciphered by a team of amateur sleuths from the United States, Australia and Belgium, the San Francisco ...

IIIF provides researchers rich metadata and media viewing options for comparison of works across cultural heritage collections. Visit the IIIF page to learn more. Edward Hebern of California designed ...

The theory that statesman and scientist Francis Bacon was the ghostwriter behind Shakespeare, and embedded the Bard's plays with ciphers, had a major influence on modern cryptography. William F.

Sam Blake, an Australian mathematician, first learned of the Zodiac Killer’s unsolved ciphers — a series of encrypted messages — from a documentary in the 1990s. His interest marginally increased in ...

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SAN FRANCISCO (CBS SF/AP) -- A team of amateur codebreakers has deciphered a coded letter from the infamous Zodiac serial killer who terrorized Bay Area communities in the late 60s and early 70s, the ...

In Part I, you broke a simple cipher. Now try creating a more complex cipher. Cut out the NOVA Decoder Ring and NOVA Cipher Code Ring and the window marked INDEX. You are now going to put this simple ...