Overview

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!

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9781512439274

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This well-designed, action-packed entry in the STEM on the Battlefield series provides an overview of how math has been used on the battlefield, both historically and in modern times. Chapters on navigation, cartography, and aeronautics explore how early mathematical principles have led to the technology we have today. But it's the core chapters on cryptography that are likely to be of the highest interest; this introduces simple ciphers, first used in warfare by the ancient Spartans, and other basic codes that were the foundation for the more complicated ones used during both world wars and beyond. Codes have gotten much harder to break, it explains, since the dawn of the computer. Scientific sidebars, wartime photos, and code and cipher charts add information and appeal. Educators beware: classroom notes are about to get a lot more complicated.--Booklist -- Journal

This well-designed, action-packed entry in the STEM on the Battlefield series provides an overview of how math has been used on the battlefield, both historically and in modern times. Chapters on navigation, cartography, and aeronautics explore how early mathematical principles have led to the technology we have today. But it's the core chapters on cryptography that are likely to be of the highest interest; this introduces simple ciphers, first used in warfare by the ancient Spartans, and other basic codes that were the foundation for the more complicated ones used during both world wars and beyond. Codes have gotten much harder to break, it explains, since the dawn of the computer. Scientific sidebars, wartime photos, and code and cipher charts add information and appeal. Educators beware: classroom notes are about to get a lot more complicated.--Booklist -- Journal (9/12/2017 12:00:00 AM)

This well-designed, action-packed entry in the STEM on the Battlefield series provides an overview of how math has been used on the battlefield, both historically and in modern times. Chapters on navigation, cartography, and aeronautics explore how early mathematical principles have led to the technology we have today. But it's the core chapters on cryptography that are likely to be of the highest interest; this introduces simple ciphers, first used in warfare by the ancient Spartans, and other basic codes that were the foundation for the more complicated ones used during both world wars and beyond. Codes have gotten much harder to break, it explains, since the dawn of the computer. Scientific sidebars, wartime photos, and code and cipher charts add information and appeal. Educators beware: classroom notes are about to get a lot more complicated. --Booklist --Journal

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