num_pages: 192
description: A collection of 95 of the most interesting examples of code &amp; concealed communications throughout history. Many of these examples are from wartime, incl. the story of how a too simple code was the undoing of Benedict Arnold, &amp; how Comm. Jeremiah Denton blinked in Morse code to indicate that his N. Vietnamese captors were torturing him. Others are more lighthearted, such as the creative use of hand signals by catchers &amp; managers in modern baseball. And some selections offer a glimpse into how codes are used in everyday life, in hospitals, police stations, &amp; firehouses. Explores the future of encryption, where technology will enable vast amounts of info. to be hidden within minuscule hosts such as human DNA, or the dot of an ''i.''
language: English
title: Secret Messages: Concealment, Codes, and Other Types of Ingenious Communication
titlecomplete: Secret Messages: Concealment, Codes, and Other Types of Ingenious Communication
genres: Nonfiction, Espionage
ratings_count: 38
publisher: Simon & Schuster, Inc.