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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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Abstract vector hi speed internet technology background
History of Technology Timeline
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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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
green digital binary symbols
What Comes After Terabyte?
Vietnam War. U.S. President Lyndon B. Johnson awards the Distinguished Service Cross to First Lieutenant Marty A. Hammer, during a visit to military personnel, Cam Ranh Bay, South Vietnam, October 26, 1966. President Johnson
Vietnam War Timeline
Adolf Hitler (Nazi, nazism, German leader).
9 Things You Might Not Know About Adolf Hitler
Russian grand duchess Anastasia; undated photograph. (Anastasiya Nikolayevna, Tsar Nicholas II)
Did Duchess Anastasia Survive Her Family’s Execution?
World Data Locator Map: Australia
Is Australia an Island?
Flags of the countries of the world (flagpoles).
How Many Countries Are There in the World?

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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