A brief history of codebreaking: the answers
http://dervishcom.blogspot.com/2011/06/brief-history-of-codebreaking-answers.html
We asked you to solve four ciphers – now we reveal how to break them, how to make your own and the lucky winners of the competition
01 Jun, 2011
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Source: http://feeds.newscientist.com/c/749/f/10897/s/158f1f6c/l/0L0Snewscientist0N0Cblogs0Cshortsharpscience0C20A110C0A60Ca0Ebrief0Ehistory0Eof0Ecodebreakin0E10Bhtml0DDCMP0FOTC0Erss0Gnsref0Fonline0Enews/story01.htm
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Source: http://feeds.newscientist.com/c/749/f/10897/s/158f1f6c/l/0L0Snewscientist0N0Cblogs0Cshortsharpscience0C20A110C0A60Ca0Ebrief0Ehistory0Eof0Ecodebreakin0E10Bhtml0DDCMP0FOTC0Erss0Gnsref0Fonline0Enews/story01.htm
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