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Author: Simon Haynes
Publisher: Bowman Press
ISBN:
Category : Juvenile Fiction
Languages : en
Pages : 144
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Book Description
Hal Junior lives aboard a space station orbiting a distant planet. His best friend is brainy bookworm (free homework help!) and his teacher is a funny little robot which really does have eyes in the back of its head. With Hal Junior around, it needs them! Today is extra-special, because a supply ship is arriving and Hal's class has been invited aboard for a tour. During the excursion Hal uncovers a sinister plot, but he can't warn teacher because the little robot has mysteriously gone missing. Can Hal Junior save everyone aboard the Space Station, despite the danger? The Secret Signal is a middle-grade science fiction adventure, illustrated with sketches and diagrams. Hal Junior is an ideal book for boys aged 9-12, although girls will love Hal's hair-raising adventures too. Keywords: funny books for boys 9-12, kids books for age 9 and up, scifi for kids, children's sci fi
Author: Simon Haynes
Publisher: Bowman Press
ISBN:
Category : Juvenile Fiction
Languages : en
Pages : 144
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Book Description
Hal Junior lives aboard a space station orbiting a distant planet. His best friend is brainy bookworm (free homework help!) and his teacher is a funny little robot which really does have eyes in the back of its head. With Hal Junior around, it needs them! Today is extra-special, because a supply ship is arriving and Hal's class has been invited aboard for a tour. During the excursion Hal uncovers a sinister plot, but he can't warn teacher because the little robot has mysteriously gone missing. Can Hal Junior save everyone aboard the Space Station, despite the danger? The Secret Signal is a middle-grade science fiction adventure, illustrated with sketches and diagrams. Hal Junior is an ideal book for boys aged 9-12, although girls will love Hal's hair-raising adventures too. Keywords: funny books for boys 9-12, kids books for age 9 and up, scifi for kids, children's sci fi
Author: United States. Bureau of Naval Personnel
Publisher:
ISBN:
Category :
Languages : en
Pages : 212
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Book Description
Author:
Publisher:
ISBN:
Category : Armed Forces
Languages : en
Pages : 948
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Book Description
Author: David J. Alvarez
Publisher:
ISBN:
Category : History
Languages : en
Pages : 312
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Book Description
To defeat your enemies you must know them well. In wartime, however, enemy codemakers make that task much more difficult. If you cannot break their codes and read their messages, you may discover too late the enemy's intentions. That's why codebreakers were considered such a crucial weapon during World War II. In Secret Messages, David Alvarez provides the first comprehensive analysis of the impact of decoded radio messages (signals intelligence) upon American foreign policy and strategy from 1930 to 1945. He presents the most complete account to date of the U.S. Army's top-secret Signal Intelligence Service (SIS): its creation, its struggles, its rapid wartime growth, and its contributions to the war effort. Alvarez reveals the inner workings of the SIS (precursor of today's NSA) and the codebreaking process and explains how SIS intercepted, deciphered, and analyzed encoded messages. From its headquarters at Arlington Hall outside Washington, D.C., SIS grew from a staff of four novice codebreakers to more than 10,000 people stationed around the globe, secretly monitoring the communications of not only the Axis powers but dozens of other governments as well and producing a flood of intelligence. Some of the SIS programs were so clandestine that even the White House—unaware of the agency's existence until 1937—was kept uninformed of them, such as the 1943 creation of a super-secret program to break Soviet codes and ciphers. In addition, Alvarez brings to light such previously classified operations as the interception of Vatican communications and a comprehensive program to decrypt the communications of our wartime allies. He also dispels many of the myths about the SIS's influence on American foreign policy, showing that the impact of special intelligence in the diplomatic sphere was limited by the indifference of the White House, constraints within the program itself, and rivalries with other agencies (like the FBI). Drawing upon military and intelligence archives, interviews with retired and active cryptanalysts, and over a million pages of cryptologic documents declassified in 1996, Alvarez illuminates this dark corner of intelligence history and expands our understanding of its role in and contributions to the American effort in World War II.
Author: Chirinjib Sen
Publisher:
ISBN:
Category :
Languages : en
Pages :
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Book Description
Author: Songlin Sun
Publisher: Springer
ISBN: 9811075212
Category : Technology & Engineering
Languages : en
Pages : 520
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Book Description
This proceedings book presents the latest research in the fields of information theory, communication system, computer science and signal processing, as well as other related technologies. Collecting selected papers from the 3rd Conference on Signal and Information Processing, Networking and Computers (ICSINC), held in Chongqing, China on September 13-15, 2017, it is of interest to professionals from academia and industry alike.
Author: Albert James Myer
Publisher:
ISBN:
Category : Signals and signaling
Languages : en
Pages : 494
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Book Description
Author: Ted G Lewis
Publisher: CRC Press
ISBN: 1000000362
Category : Computers
Languages : en
Pages : 203
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Book Description
Computers are the foundation of the information age, but communication technology is the foundation of the foundation. Without the theories and practical applications of theory brought to us by the pioneers of communication, the computer age would perhaps have remained in the back office, hidden away as infrastructure like electricity or running water – critical to modern life, but not as transforming as the combination of communications and computing. The information age exploded once machines were endowed with the ability to talk among themselves. The Signal connects everything to everything else, in both communication, and in the metaphorical sense as the link between and among people. Features Identifies the key ideas underlying modern communications technology, and documents the contributions of its inventors Explores the signal in communication, and also in the metaphorical sense as the link between and among people Leads the reader through a journey from ancient number systems to Voyager II to radio and MP3s to quantum cryptography Includes coverage of "Signals from Hell," including memes and "fake news" on the Internet Looks to the future of communication, with emergent 5G
Author: Leil Lowndes
Publisher: Citadel Press
ISBN: 9780806527932
Category : Self-Help
Languages : en
Pages : 274
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Book Description
Leil Lowndes offers a new way to look at male-female communication offering straightforward advice in a relaxed no-nonsense style on how to recognise and read the 26 most common female sex signals. Bestselling author and communications expert Leil Lowndes literally shows men what sex signals to look for with dozens of photos that illustrate women's non-verbal body language. Full of foolproof dating advice on everything from the best activity for a first date to how a guy should dress to impress, UNdercover Sex Signals can help even the most clueless men to dating success.
Author: Albert James Myer
Publisher:
ISBN:
Category : Communication
Languages : en
Pages : 668
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Book Description
A manual of signals so that members of the military can communicate with each other.
