| Find out how codes have been used since ancient times. Then have a go at breaking some secret codes!
In the book Break That Code, Chapter one looks at the history of coded messages and the people who invented, and broke, famous codes. The chapter includes details on the morse code, the Braille system and the Alberti disk and asks students to use these methods to decode a message.
Chapter two looks at ways in which pictures and symbols have been used to send messages. This chapter concentrates on Mayan glyphs, Egyptian hieroglyphs and how archaeologists cracked the code of the hieroglyphs.
Chapter three examines how codes have been used in both modern and ancient wars to send and recieve secret messages. Methods covered include the scytale, Caesar cipher and the Enigma machine and Navajo colde talkers from World War II |