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Wilhelm Ostwald: Farbkunde (Klassische Texte der Wissenschaft)
Par Georg Schwedt. 2024
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Physique
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Nachdem Wilhelm Ostwald die Universität Leipzig 1906 wegen anhaltender Streitigkeiten mit der philosophischen Fakultät verlassen hatte, ließ er sich in…
Großbothen als Privatgelehrter nieder. Hier entwickelte er seine Farbenlehre. 1923, in einem wirtschaftlich und politisch krisenhaften Jahr, erschien seine Farbkunde. Mit diesem Werk wandte er sich an eine breite Zielgruppe – an „Chemiker, Physiker, Naturforscher, Ärzte, Physiologen, Psychologen, Koloristen, Farbtechniker, Drucker, Keramiker, Färber, Weber, Maler, Kunstgewerbler, Musterzeichner, Plakatkünstler und Modisten“. Er stellt zunächst die bisher beschriebenen Farblehren und Theorien kritisch bewertend vor. In weiteren Kapiteln werden das Licht, die Vorgänge des Sehens und besonders ausführlich die Farben beschrieben. Als „Angewandte Farbkunde“ behandelt er die Messung der Farben, physikalisch-chemische und psychophysische Verhältnisse sowie die Farbe als Darstellungsmittel und die Harmonie der Farben mit Beschreibungen des Farbtonkreises, Vorschläge für einen Normenatlas mit praktischen Ausführungsformen. Ostwald schuf damit die Grundlagen für weit verbreitete Anwendungen, die im Kommentarteil ausführlich vorgestellt werden.Fluid Mechanics for Mechanical Engineers
Par Alfredo Soldati, Cristian Marchioli. 2024
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Sciences et technologies, Physique
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This textbook describes the fundamentals of the phenomena of fluid dynamics in the context of engineering instances. It is designed…
to replace introductory books and notes on the subject for first-level engineering courses as well as higher-level courses or for professional use. The use of this book requires the basic knowledge of mathematics and physics normally delivered in the early years of undergraduate study. However, the extensive use of examples and solved exercises proposes a parallel intuitive route to understanding the necessary mathematical formalisms. It proves that a new fluid dynamics text should not contain new ideas or formalisms, but should present the material in a modern and intuitive way. The approach chosen is primarily practical, so that that readers can practice by solving the proposed problems and examples in order to be prepared to solve the new problems they will encounter in their academic and professional activities. It serves as a teaching tool for coursesin basic fluid dynamics, advanced fluid dynamics, turbulence, and aerodynamics.Io: A New View of Jupiter’s Moon (Astrophysics and Space Science Library #468)
Par Rosaly M. C. Lopes, Katherine De Kleer, James Tuttle Keane. 2023
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Sciences et technologies, Physique
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Written by expert researchers, this book covers all the major aspects of research in Jupiter's moon Io, from the interior…
to its space environment. Io is one of the Solar System’s most exotic satellites. The book discusses Io's interior, geology, atmosphere, and, in particular, its active volcanism, which was discovered from observations by the Voyager 1 spacecraft in 1979, confirming a possibility suggested from theoretical studies based on Io’s orbit. Our knowledge of Io’s volcanism, composition, and space environment was significantly increased as a result of observations by other spacecrafts, including Galileo.More than a decade after the 1st edition, “Io After Galileo”, this 2nd edition of the book now includes results obtained by the New Horizons mission and, more recently, Juno. It also presents observational results from ground-based telescopes using adaptive optics having provided resolutions that rival those of spacecraft.The book provides a review of the current status of Io research and gives an outlook to planned future observations. It thus serves as reference for researchers in the field and an introduction for PhD students and newcomers planning to study this exotic Solar System moon.The Obsession
Par Meyer Levin. 1973
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Religion (biographies), Journaux personnels et mémoires
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In 1951, Meyer Levin’s wife gave him a copy of The Diary of a Young Girl by Anne Frank, which…
had just been published in France. Levin was already a successful writer in his mid-forties, searching for a way to bear witness to his experiences as a war correspondent in Europe. In Anne Frank’s diary, he found the voice he had been waiting for.The Obsession, widely regarded as one of Meyer Levin’s finest works, is a candid account of his struggle to bring his version of Anne Frank’s diary to Broadway. Levin’s adaptation, begun with the support of Anne’s father, Otto, was eventually deemed ‘unstageworthy,’ and he was supplanted by non-Jewish writers. To Levin, it was a clear case of sanitizing Anne’s story in favor of mass appeal. He battled for his version in courtrooms and out, but the fallout nearly destroyed both his family and his career.In recounting the mania that gripped him for twenty years, Levin spares neither himself nor others. Like all his best work, this extraordinary memoir encompasses larger themes—the nature of Jewishness, the price of assimilation, the writer’s obligation to himself and to his subject, and the search for identity and purpose.