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Just one hundredth of a second separates elite swimmers from the podium, but what are the physical forces at work behind these tiny margins, and how can an understanding of them be used to improve your own technique in the pool? Swimming Science investigates, with each chapter focussing on a different area. From swimming technology, physiology, and psychology to hydrodynamics, the key principles of swimming science are addressed, with the content organised around a series of questions. What creates the drag in the water? How have swim suits evolved? Which muscles generate propulsion? How much force do elite swimmers use? Each question is investigated using up-to-date science and explanatory info-graphics.
Using a collection of over one thousand popular songs from the war years, as well as around 150 soldiers’ songs, John Mullen provides a fascinating insight into the world of popular entertainment during the First World War. He considers the position of songs of this time within the history of popular music, and the needs, tastes and experiences of their working-class audiences. He assesses the different genres of musical entertainment which were common in the war years and presents a subtle and nuanced approach to the nature of popular song, the ways in which audiences related to the music and the effects of the competing pressures of commerce, propaganda, patriotism, social attitudes and the progress of the war.
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Explains how the case of a Moroccan national who gunned down seven people in a Texas nightclub in 1984 led to the development of Texas's multiple murder statute.
"Nuclear weapons, since their conception, have been the subject of secrecy. In the months after the dropping of the atomic bombs on Hiroshima and Nagasaki, the American scientific establishment, the American government, and the American public all wrestled with what was called the "problem of secrecy," wondering not only whether secrecy was appropriate and effective as a means of controlling this new technology but also whether it was compatible with the country's core values. Out of a messy context of propaganda, confusion, spy scares, and the grave counsel of competing groups of scientists, what historian Alex Wellerstein calls a "new regime of secrecy" was put into place. It was unlike an...
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