A Guide to SETI and Communicating with Alien Civilizations
By (author) Brian McConnell
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Beyond Contact by Brian McConnell
Book DescriptionIn the early 1960s, Frank Drake, a young astronomer with the National Radio Astronomy Observatory (NRAO) in Green Bank, West Virginia, developed what is now known as the "Drake Equation" in an effort to determine how many intelligent, communicative civilizations our galaxy could harbour. For 40 years, the Search for Extraterrestrial Intelligence (SETI) has combed the skies in search of signals from star systems within the galaxy. In this book, Brian McConnell goes behind the scenes and examines what goes into the search for intelligent life. SETI is a four-step process. First we have to know where to look; then we must be able to send and receive signals to that star system. Once signals arrive, scientists then need to be able to interpret those signals into something that can be understood. And although we have not yet received any signals (except for our own Earth-based transmissions), we will eventually have to figure out a protocol for responding. This book introduces readers to: the history of SETI research, including the early searches of Project Ozma, traditional radio astronomy, the search for intelligence in optical wavelengths (known as Optical SETI, or OSETI), and the SETI@home project; an overview of the Drake Equation and the Rare Earth Hypothesis, which scientists use to estimate the number of planets in our galaxy that could harbour intelligent, communicative life forms; how signals are sent and received over interstellar distances - the author explains the principles of signal and image processing, and how SETI researchers identify and process analogue signals using Fourier transforms to see how the power in a signal is distributed across different frequencies; and how to build a general-purpose symbolic language for sending signals, and even computer programs, with present-day SETI equipment. The ability to transmit computer programs enables us to let another civilization know about our knowledge and technological capabilities. The author also shows how SETI research - though often thought to be a mere flight of fancy - has spawned technological improvements in astronomy, computers, and wireless communications. "Beyond Contact" sidesteps the "little green men" approach to take a hard, realistic look at the technologies behind the search for intelligent life in our universe.
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Book DetailsISBN: 9780596000370
(236mm x 161mm x 31mm)
Imprint: O'Reilly Media, Inc, USA
Publisher: O'Reilly Media, Inc, USA
Publish Date: 6-Apr-2001
Country of Publication: United States
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Author Biography - Brian McConnell
Brian McConnell is an entrepreneur, software developer, inventor and telecommunications engineer. He has been fascinated by telecommunications since an early age, and has developed a wide range of telecommunications applications. One of his personal favorites was a telephone robot that dialed through a corporate automated attendant to deliver a recorded complaint to the offending party. This robot, which was turned loose on an unnamed East Coast bank, turned him into a momentary celebrity, leading to his appearance alongside Sarah Purcell, Gary Collins (of Hangar 18, The Movie fame) and Julia Child on ABC's Morning Show (the apex of his television career).
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