Cracking Codes (Knowledge)
Type
Book
Authors
ISBN 10
0439981840
ISBN 13
9780439981842
Category
Unknown
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Publication Year
2003
Publisher
Pages
160
Tags
Description
First the ancient Greeks hid messages under their hair. Then Mary Queen of Scots completely lost her head because of a cracked code. Now computers create codes no human can crack. This revealing guide gives you the key to unlock the secret languages of spies. Get on the case to discover how to decipher dots aand dashes, fathom flags, and suss a simple cipher. Find out how codes shaped history, won wars nd could even help us talk to aliens. PLUS try your hand at code making and code-breaking. Will you crack under pressure? - from Amzon
Number of Copies
1
