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Author: Terry Burrows
Publisher: Lerner Publications
ISBN: 1512439274
Category : Juvenile Nonfiction
Languages : en
Pages : 52
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Book Description
Discusses military uses of math including navigation, cryptography, ballistics, logistics, and more.
Author: Terry Burrows
Publisher: Lerner Publications
ISBN: 1512439274
Category : Juvenile Nonfiction
Languages : en
Pages : 52
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Book Description
Discusses military uses of math including navigation, cryptography, ballistics, logistics, and more.
Author: Terry Burrows
Publisher: Lerner Publications ™
ISBN: 1512473820
Category : Juvenile Nonfiction
Languages : en
Pages : 51
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Book Description
During WWII, Japan's navy relied on secret codes to communicate battle plans. By early 1942, US experts had cracked the code. The Japanese had planned a surprise attack on US Navy ships, but now the Americans knew the attack was coming. They turned the tables on the enemy and won a decisive victory. Math has always been key to warfare. Scientists use mathematical calculations to understand how missiles fly, or how to build faster airplanes. Soldiers in battle use math to figure out how to hit a particular target. From making sure an army has enough supplies to recording casualties and damage, discover how math and calculations lie at the heart of warfare!
Author: Rachael L. Thomas
Publisher: Lerner Publications ™
ISBN: 1728433630
Category : Juvenile Nonfiction
Languages : en
Pages : 32
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Book Description
Dive into the secret history of . . . secrets! Cryptology is the art and science of secret communication, and its purpose is to protect precious information and keep people safe. Learn about its building blocks: ciphers, codes, and keys. People have wanted to hide messages and important information for millennia. Read how history's coolest codes and ciphers have progressed from belts and sticks to rotating disks and supercomputers. Use your cryptology skills to design your own secret cipher. And learn about the smart people who built and broke the strongest secret systems.
Author: Paul Lunde
Publisher:
ISBN: 9780520260139
Category : Ciphers
Languages : en
Pages : 0
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Book Description
This illustrated encyclopedia surveys the history and development of code-making and code-breaking in all areas of culture and society from hieroglyphs and runes to DNA, the Zodiac Killer, graffiti, and beyond.
Author: Alexander D'Agapeyeff
Publisher: Read Books Ltd
ISBN: 1473350913
Category : Computers
Languages : en
Pages : 153
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Book Description
This vintage book contains Alexander D’Agapeyeff’s famous 1939 work, Codes and Ciphers - A History of Cryptography. Cryptography is the employment of codes and ciphers to protect secrets, and it has a long and interesting history. This fantastic volume offers a detailed history of cryptography from ancient times to modernity, written by the Russian-born English cryptographer, Alexander D'Agapeyeff. The contents include: - The beginnings of Cryptography - From the Middle Ages Onwards - Signals, Signs, and Secret Languages - Commercial Codes - Military Codes and Ciphers - Types of Codes and Ciphers - Methods of Deciphering Many antiquarian texts such as this, especially those dating back to the 1900s and before, are increasingly hard to come by and expensive, and it is with this in mind that we are republishing this book now in an affordable, modern, high quality edition. It comes complete with a specially commissioned new biography of the author.
Author: Rafe Posey
Publisher: Penguin
ISBN: 1984879642
Category : Fiction
Languages : en
Pages : 401
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Book Description
“Dazzles from start to finish.” —Georgia Hunter, New York Times bestselling author of We Were the Lucky Ones Set against the backdrop of World War II, a sweeping, atmospheric novel of sacrifice, ambition, and commitment, and the secrets we keep from the ones we love It's 1927 when Alec and June meet as children in a tranquil English village. Alec, an orphan, anchors himself in the night sky and longs for adventures. June memorizes maps and railway timetables, imagining a future bright with possibilities. As the years pass, their loves feels inevitable, but soon the Second World War separates them. Alec enlists as a Royal Air Force pilot flying daredevil fighter sorties at night; June finds her calling as a codebreaker at Bletchley Park, covert work that will mean keeping her contribution to the war effort a secret from Alec forever. Each is following a dream—but those dreams force them apart for years at a time. Their postwar reunion is bittersweet: Alec, shot down and imprisoned in a series of POW camps, grapples with his injuries and the loss of his RAF career. June, on the other hand, has found her vocation and struggles to follow the expected path to domesticity, as much as she loves Alec. But Alec wants nothing more than to make a life and a family together. With the war behind them, their scars—both visible and unseen—make them strangers to each other. Now each must decide how much to reveal to the other, which dreams can be sacrificed, and which secrets are too big to bear alone. Spanning forty years and shifting from bustling Indian ports to vibrant gardens in Edinburgh to a horse farm in Kenya, The Stars We Share is a poignant, heart-wrenching novel about the decisions and concessions that make a life and a love worth having.
Author: R. F. Churchhouse
Publisher: Cambridge University Press
ISBN: 9780521008907
Category : Business & Economics
Languages : en
Pages : 254
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Book Description
Publisher Description
Author: Alex Hirsch
Publisher: Disney Press
ISBN: 9781368002509
Category : Juvenile Fiction
Languages : en
Pages : 0
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Book Description
Untie the string and unwrap the brown paper to reveal . . . Journal 3 Limited Edition! This 288-page book contains all of the content of the regular edition, plus all-new top-secret black light pages on real parchment; a cover with leather texture and shiny metallic pieces; a magnifying glass; a tassel bookmark; and removable photos and notes. This $150 limited edition will also include a signed note from the creator of Gravity Falls and co-writer of Journal 3, Alex Hirsch himself.
Author: Nigel Cawthorne
Publisher: The Rosen Publishing Group, Inc
ISBN: 150817704X
Category : Juvenile Nonfiction
Languages : en
Pages : 218
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Book Description
This intriguing and revelatory history of cryptology ranges from the early days of code-making and code-breaking in ancient Egypt, Sparta, and Rome to the present day when it has slipped beyond the tight control of governments and now affects all our lives whenever we use our cell phones or connect to the internet. Subjects covered here include Mary Queen of Scots' cryptic messages when she was plotting against her cousin Elizabeth I; the codes used by George Washington for military and political purposes; and code-breaking during World Wars I and II, including the Enigma Machine. Those who invent codes and those who break them are fascinating characters. This is their story.
Author: Lisa L. Owens
Publisher: Lerner Publications ™
ISBN: 1541536061
Category : Juvenile Nonfiction
Languages : en
Pages : 35
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Book Description
Discover the true stories of code breakers who worked behind the scenes during World War II. Men and women cracked enemy codes in order to gain information that helped the Allies win the war.
