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Weber's Planetary Model of the Atom Bekannt ist Wilhelm Weber zusammen mit Karl Friedrich Gauss fur die Schaffung der absoluten Masssysteme, Grundlage fur die heutigen SI-Einheiten. Webers Atommodell, entstanden um 1860 und in der physikhistorischen Literatur kaum bekannt, wird hier prasentiert von Andre Koch Torres Assis, Professor an der brasilianischen Universitat Campinas, und vom Institut fur Geschichte der Naturwissenschaften der Universitat Hamburg, von Privatdozent Dr. Karl Heinrich Wiederkehr, Studiendirektor im Ruhestand, und von Prof. Dr. Gudrun Wolfschmidt. Mit dem Triumph der Feldphysik und Nahwirkungstheorie (Faraday, Maxwell, Heinrich Hertz) legte man allzu schnell die altere ...
Hermann von Helmholtz (1821-1894) was a polymath of dazzling intellectual range and energy. Renowned for his co-discovery of the second law of thermodynamics and his invention of the ophthalmoscope, Helmholtz also made many other contributions to physiology, physical theory, philosophy of science and mathematics, and aesthetic thought. During the late nineteenth century, Helmholtz was revered as a scientist-sage—much like Albert Einstein in this century. David Cahan has assembled an outstanding group of European and North American historians of science and philosophy for this intellectual biography of Helmholtz, the first ever to critically assess both his published and unpublished writings. It represents a significant contribution not only to Helmholtz scholarship but also to the history of nineteenth-century science and philosophy in general.
'Computational History' derives history from data and nowadays, therefore, relies on the technologies of the digital humanities. 'Computational History of Science' addresses questions of history by evaluating historical data, e.g. for tracing back copying traditions and conclude on transfer and transformation of data and knowledge. The term 'Applied Historical Astronomy', in contrast, tries to address questions of contemporary science by evaluating historical data in comparison with most recent data. This opens new possibilities, e.g. in the search for stellar transients among historical data. In the contribution by Hoffmann & Vogt we will focus on the stellar transients among all the topics...
A path-breaking study of national, imperial and indigenous interests at stake in a controversial German expedition to British India.
The sub-title of this symposium is accurate and, in a curious way, promises more than it states: Classical Physicist, Modem Philosopher. Heinrich Hertz, as the con summate experimentalist of 19th century technique and as brilliant clarifying critic of physical theory of his time, achieved one of the fulfilments but at the same time opened one of the transition points of classical physics. Thus, in his 'popular' lecture 'On the Relations Between Light and Electricity' at Heidelberg in the Fall of 1889, Hertz identified the ether as henceforth the most fundamental problem of physics, as the conceptual mystery but also the key to understanding mass, electric ity, and gravity. Of Hertz's demonst...