Have you ever wanted to tell a secret, but you have to leave the actual message out in the open? The answer for your quandary lies in cryptography, which has been employed over the centuries in warfare and in world-shaping political intrigue. The development of this secret science is recounted with remarkable lucidity in Simon Singh’s "The Code Book: The Evolution of Secrecy from Mary, Queen of Scots to Quantum Cryptograpy." Though the narrative is complicated and at times very technical, the author guides the reader through thousands of years of history, explaining methods and reasons for the use of ciphers, and casting light on mysterious figures from ages gone by...
Read the rest; it'll increase brain cells by at least .00001 percent, guaranteed!
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