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A thorough introduction to radio astronomy and techniques for students and researchers approaching radio astronomy for the first time.
Clear, accessible and practical, this guide introduces the first-time researcher to the various instruments used in social research. It assesses a broad range of research instruments - from the well-established to the innovative - enabling readers to decide which are particularly well suited to their research. The book covers: questionnaires interviews content analysis focus groups observation researching the things people say and do. This book is particularly suitable for work-based and undergraduate researchers in education, social policy and social work, nursing and business administration. It draws numerous examples from actual research projects, which readers can adapt for their own purposes. Written in a fresh and jargon-free style, the book assumes no prior knowledge and is firmly rooted in the authors' own extensive research experience. Using Research Instruments is the ideal companion volume to The Researcher's Toolkit. Together they offer a superb practical introduction to conducting a social research project.
The quest for high resolution has preoccupied radio astronomers ever since radio waves were first detected from space fifty years ago. This venture was par ticularly stimulated by the discovery of quasars, and led to the development of interferometer techniques using baselines of transglobal dimensions. These meth ods have become known as Very Long Baseline Interferometry (VLBI). Arrays of radio telescopes situated all over the Earth (or even in space) are regularly used for researches in radio astronomy, reaching resolutions as small as a fraction of a milli arcsecond. The technique also allows the measurement of the positions of the radio telescopes to a few millimeters and so VLBI has bec...
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This is the first biography of General Colin Gubbins, the man in charge of SOE during World War Two, who by the nature of his profession was destined to live his life in the shadows.