The main magnetic field of the Earth is a complex phenomenon. To understand its origins in the fluid of the Earth's core, and how it changes in time requires a variety of mathematical and physical tools. This book presents the foundations of geomagnetism, in detail and developed from first principles. The book is based on George Backus' courses for graduate students at the University of California, San Diego. The material is mathematically rigorous, but is logically developed and has consistent notation, making it accessible to a broad range of readers. The book starts with an overview of the phenomena of interest in geomagnetism, and then goes on to deal with the phenomena in detail, building the necessary techniques in a thorough and consistent manner. Students and researchers will find this book to be an invaluable resource in the appreciation of the mathematical and physical foundations of geomagnetism.
In many physical sciences, the most natural description of a system is with a function of position or time. In principle, infinitely many numbers are needed to specify that function, but in practice only finitely many measurements can be made. Inverse theory concerns the mathematical techniques that enable researchers to use the available information to build a model of the unknown system or to determine its essential properties. In Geophysical Inverse Theory, Robert Parker provides a systematic development of inverse theory at the graduate and professional level that emphasizes a rigorous yet practical solution of inverse problems, with examples from experimental observations in geomagnetism, seismology, gravity, electromagnetic sounding, and interpolation. Although illustrated with examples from geophysics, this book has broad implications for researchers in applied disciplines from materials science and engineering to astrophysics, oceanography, and meteorology. Parker's approach is to avoid artificial statistical constructs and to emphasize instead the reasonable assumptions researchers must make to reduce the ambiguity that inevitably arises in complex problems. The structure of the book follows a natural division in the subject into linear theory, in which the measured quantities are linear functionals of the unknown models, and nonlinear theory, which covers all other systems but is not nearly so well understood. The book covers model selection as well as techniques for drawing firm conclusions about the earth independent of any particular model.
Certain lines define a movie. Marlene Dietrich in Morocco: “Anyone who has faith in me is a sucker.” Too, there are lines that fit actor and character. Mae West in I’m No Angel: “I’m very quick in a slow way.” Jane Fonda in California Suite: “Fit? You think I look fit? What an awful shit you are. I look gorgeous.” From the classics to the grade–B slasher movies, over 11,000 quotes are arranged by over 900 subjects, like accidents, double entendres, eyes (and other body parts!), ice cream, luggage, parasites, and ugliness. Each quote gives the movie title, production company, year of release, speaker of the line, and, when appropriate, a comment putting the quote in context.
Small though they were, PT boats played a key role in World War II, carrying out an astonishing variety of missions where fast, versatile, and strongly armed vessels were needed. Called "weapons of opportunity," they met the enemy at closer quarters and with greater frequency than any other type of surface craft. Among the most famous PT commanders was John F. Kennedy, whose courageous actions in the Pacific are now well known to the American public. The author of the book, another distinguished PT boat commander in the Pacific, compiled this history of PT-boat operations in World War II for the U.S. Navy shortly after V-J Day, when memories were fresh and records easily assessable. The book was first made available to the public in 1962 after Kennedy's inauguration as president of the United States interest in PTs was at a peak. Bulkley provides a wealth of facts about these motor torpedo boats, whose vast range of operation covered two oceans as well as the Mediterranean and the English Channel. Although their primary mission was to attack surface ships and craft close to shore, they were also used effectively to lay mines and smoke screens, to rescue downed aviators, and to carry out intelligence and raider operations. The author gives special attention to the crews, paying well-deserved tribute to their heroism, skill, and sacrifice that helped to win the war.
American composers are at the forefront of a renaissance in concert music, in the process expanding the very definition of the category. The impact of digital technology on the creative process and the unprecedented diversity of contemporary composers are arguably among the catalysts driving the rebirth. In this series of personal interviews with some of the most prominent composers of art music currently working on the American music scene, composer and educator Robert Raines leads the intimate conversations through subjects ranging from the source of inspiration to work habits, the realities of the business of music, and the impact of technology on music and life in the 21st century. The musicians who participated in these conversations are as different from one another as might be imagined, both in styles of music and approaches to life and art, resulting in a series of stories that offer a kaleidoscopic view of the many paths to creativity, yet a common thread that runs through the interviews is the passionate artistic drive that is shared by all. The inspirational stories of struggles and successes, told in the artists' own words and distinctively framed by their individual personalities - humorous, curmudgeonly, serious, serene, and playful by turns - is a delightful and thought-provoking journey full of personal insights, advice, and sharp observations on composing music in a changing, technology-driven world. A loving homage to the artistic spirit, this book is a must-read for students of composition, professors and scholars of music, composers and aspiring composers, and anyone interested in the subjective process of writing music. This rich and entertaining collection provides a unique glimpse into the workings of the creative spirit in the digital age.
Psychological testing has grown exponentially as technological advances have permitted it to and societal complexities have necessitated it's growth. This book presents the research in this field.
The safety, effectiveness, and utility of medical nanorobotic devices will critically depend upon their biocompatibility with human organs, tissues, cells, and biochemical systems. In this Volume, we broaden the definition of nanomedical biocompatibility to include all of the mechanical, physiological, immunological, cytological, and biochemical re
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