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Author: Terry Burrows Publisher: Lerner Publications ™ ISBN: 1512473820 Category : Juvenile Nonfiction Languages : en Pages : 51
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: Terry Burrows Publisher: Lerner Publications ™ ISBN: 1512473820 Category : Juvenile Nonfiction Languages : en Pages : 51
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: Karen Price Hossell Publisher: Heinemann Educational Books ISBN: 9781588104847 Category : Juvenile Nonfiction Languages : en Pages : 54
Book Description
Learn about ciphers and codes--the tools used to keep a message secret. See how ciphers were used by the patriots in the American Revolutionary War. Find out how to make your own cipher. In this book, you will discover how flag signals and smoke signals work, see how computers use ciphers and codes today, find out how you can break a cipher without a key.
Author: Rachael L. Thomas Publisher: Lerner Publications ™ ISBN: 1728433630 Category : Juvenile Nonfiction Languages : en Pages : 32
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: Anon Publisher: Read Books Ltd ISBN: 1528764811 Category : History Languages : en Pages : 277
Book Description
Many of the earliest books, particularly those dating back to the 1900s and before, are now extremely scarce and increasingly expensive. We are republishing these classic works in affordable, high quality, modern editions, using the original text and artwork.
Author: Paul Lunde Publisher: ISBN: 9780520260139 Category : Ciphers Languages : en Pages : 0
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: Terry Burrows
Author: Terry Burrows
Author: Terry Burrows
Author: Lisa Burton
Author: Karen Price Hossell
Author: Rachael L. Thomas
Author: Anon
Author: Frank Higenbottam
Author: Martin Gardner
Author: Adrian Gilbert
Author: Paul Lunde