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English
Description
During the winter of 1952, British authorities entered the home of mathematician, cryptanalyst and war hero Alan Turing to investigate a reported burglary. They instead ended up arresting Turing himself on charges of "gross indecency," an accusation that would lead to his devastating conviction for the criminal offense of homosexuality - little did officials know, they were actually incriminating the pioneer of modern-day computing. Famously leading...
65) Bitcoin
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English
Description
"A primer on the currency alternative that's changing the world. Bitcoin can be a bit puzzling to the uninitiated. Ledger? Blockchain? Mining? These cryptocurrency concepts aren't going away, and there are tremendous opportunities for those with some know-how to get onboard with the crypto culture. Bitcoin For Dummies helps you get un-puzzled, learn the Bitcoin basics, and discover the possibilities in the new world of digital currencies. With this...
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English
Description
The documentary provides viewers with highly personal insights from a group of Native American war heroes regarding their service on behalf of the United States and the Navajo Nation. The secret code these marines developed, based on the unwritten Navaho language, was never broken, giving American troops an upper hand in many battles that ultimately led to Japan's surrender in 1945.
69) Break that code
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English
Description
Learn how codes have been used since ancient times, and how to use your skills to break some codes.
70) Pass it on!: all about notes, from secret codes and special inks to fancy folds and dead man's drops
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English
Description
Examines the history of writing and provides instructions for making special inks, using various alphabets and codes, and creating personal seals and private letter drops.
72) Messages in code
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English
Description
Describes various types of codes and ciphers, including the genetic code, and how useful they are to spies.
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English
Description
"From spy missions to code breaking, this richly illustrated account of the covert operations of World War II takes readers behind the battle lines and deep into the undercover war effort that changed the course of history. From the authors who created Eyewitness to World War II and numerous other best-selling illustrated reference books, this is the shocking story behind the covert activity that shaped the outcome of one of the world's greatest conflicts--and...
Author
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English
Appears on list
Description
"By the time the United States joined the Second World War in 1941, the fight against Nazi and Axis powers had already been under way for two years. In order to win the war and protect its soldiers, the US Marines recruited twenty-nine Navajo men to create a secret code that could be used to send military messages quickly and safely across battlefields. Author James Buckley Jr. explains how these brave and intelligent men developed their amazing code,...