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Navajo code talkers Enigma Jade cipher machine Purple cipher machine frequency distribution for plaintext and its repeated-key Vigenère cipher German ADFGVX cipher. DES flow diagram Vigenère table
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A botanical illustration from the Voynich manuscript, a codex, scientific or magical text in an unidentified language, in cipher; end of the 15th or during the 16th century (?).
Codes, Secrets, and Ciphers Quiz
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A Factory Interior, watercolor, pen and gray ink, graphite, and white goache on wove paper by unknown artist, c. 1871-91; in the Yale Center for British Art. Industrial Revolution England
Inventors and Inventions of the Industrial Revolution
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Shadow of a man holding large knife in his hand inside of some dark, spooky buiding
7 of History's Most Notorious Serial Killers
Sydney New Years Eve Fireworks
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An ancient egyptian hieroglyphic painted carving showing the falcon headed god Horus seated on a throne and holding a golden fly whisk. Before him are the Pharoah Seti and the goddess Isis. Interior wall of the temple to Osiris at Abydos, Egypt.
11 Egyptian Gods and Goddesses
Leonardo da Vinci (1452-1519), Italian Renaissance painter from Florence. Engraving by Cosomo Colombini (d. 1812) after a Leonardo self portrait. Ca. 1500.
10 Famous Artworks by Leonardo da Vinci
Queen Elizabeth II addresses at opening of Parliament. (Date unknown on photo, but may be 1958, the first time the opening of Parliament was filmed.)
All 119 References in “We Didn’t Start the Fire,” Explained
Law legal system crime concept with gavel and scales of justice with books in the background. (mallet, judicial system).
What Are the Differences Between First-, Second-, and Third-Degree Murder?

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Photos

Navajo code talkers
Enigma
Jade cipher machine
Purple cipher machine
frequency distribution for plaintext and its repeated-key Vigenère cipher
German ADFGVX cipher.
DES flow diagram
Vigenère table
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Key People

Agnes Meyer Driscoll
American cryptologist

Related Quizzes and Features

Quiz
A botanical illustration from the Voynich manuscript, a codex, scientific or magical text in an unidentified language, in cipher; end of the 15th or during the 16th century (?).
Codes, Secrets, and Ciphers Quiz