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Language
English
Description
Recruited by the U.S. Army and Navy from small towns and elite colleges, more than ten thousand women served as codebreakers during World War II. While their brothers and boyfriends took up arms, these women moved to Washington and learned the meticulous work of code-breaking. Their efforts shortened the war, saved countless lives, and gave them access to careers previously denied to them.
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English
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Description
A nuts-and-bolts explanation of cryptography from a leading expert in information security. Despite its reputation as a language only of spies and hackers, cryptography plays a critical role in our everyday lives. Though often invisible, it underpins the security of our mobile phone calls, credit card payments, web searches, internet messaging, and cryptocurrencies - in short, everything we do online. Increasingly, it also runs in the background of...
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English
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This book teaches students how to analyze patterns though cryptography. Illustrates and explains how use a cipher to encrypt and decrypt simple substitution ciphers, poly-alphabetic ciphers and transposition ciphers. Includes famous examples of encrypted messages about and by figures like Julius Caesar and Queen Elizabeth I.
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English
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Description
This captivating book explains some of the most fascinating ideas of mathematics to nonspecialists. It focuses on three main areas: non-Euclidean geometry, a basis for relativity theory; number theory, a major component of cryptography; and fractals, the key elements of computer-generated art. Numerous illustrations. 1993 edition.
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English
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Description
Records show that human beings have been using codes to conceal messages for over 2,000 years! This revealing book traces codes throughout history, from an encryption device used by the Spartans in 400 B.C. to the Enigma Code of the 1940s, pausing to consider coded military secrets and newspaper scoops alike. Students will be delighted by code-cracking diagrams. Illuminating sidebars, primary source documents, and vivid illustrations all add to this...
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Beyond the Battlefield: In Beyond the Battlefield: Code Makers and Code Breakers, 4th-9th graders hear the stories of courageous and innovative people and groups who created- and cracked- seemingly unbreakable codes during times of war.
Action-Packed Stories: Not all war heroes are fighting on the battlefield. Young readers learn about the amazing, intelligent people who created important codes during times of war and those that cracked seemingly...
14) Bitcoin
Author
Series
Pub. Date
[2022]
Edition
2nd edition.
Language
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 entire vast, modern American intelligence system--the amalgam of three-letter spy services of many stripes--can be traced back to the dire straits the world faced at the dawn of World War II. Prior to 1940, the United States had no organization to recruit spies and steal secrets or launch covert campaigns against enemies overseas and just a few codebreakers, isolated in windowless vaults. It was only through Winston Churchill's determination...
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English
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The complete untold story of the cracking of the infamous Nazi code
Most histories of the cracking of the elusive Enigma code focus on the work done by the codebreakers at Bletchley Park, Britain's famous World War II counterintelligence station. In this fascinating account, however, we are told, for the first time, the hair-raising stories of the heroic British and American sailors, spies, and secret agents who put their lives on the line to provide...
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