fileadmin/content/institute/physik/bilder-und-dokumente-aktuell/6-forschung/material-culture/kienemund-therese-transforming-forces.-a-potenzmaschine-s-demonstration-of-late-eighteenth-century-mechanics.pdf
mechanical structure, a professional instrument maker’s work- shop would have been able to execute all. Ralf Kern, in his illustrated multi-volume work on scientific instruments throughout the centuries, concludes [...] consider this context. The BAdW was founded in 1758 (Teichmann, Eckert & Wolff 2002: 333). In his work on the history of the BAdW, Ludwig Hammermayer ana- lyzes a wide range of correspondence and other [...] THERESE KIENEMUND 9 of the many people contributing to the instrument maker’s workshop, whose subpar work resulted in a sale of the object without a maker’s signature, perhaps at a more affordable price.
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that is conserved, and thus there is a direct ratio between the mechanical work and the heat that can be produced by the work. Joule started to talk, and while he was talking he felt more and more that [...] had raised his attention to a certain aspect of a well-known principle: The conversion of mechanical work or electricity into heat. Even though this convertibility was established, what puzzled Joule was [...] was a newly appointed professor of physics in Glasgow, he had studied in Cambridge and afterwards worked with the French Victor Regnault, the leading experimentalist in the sciences of heat. Having gained
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Winding them up again however was hard work, way too tough for James who had a weak health since his childhood days, and who was not allowed to do physical working whatsoever. Besides, he was the owner [...] his experiments to the local scientif- Story: The hard work of experimenting 1 Storytelling Teaching Model: www.science-story-telling.eu The hard work of experimenting: James Prescott Joule and the mechanical [...] propelled a boat on a river with this new engine. Claims were that this device was able to carry out work at literally no cost, and Joule, who was interested in scientific and technological achievements since
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values of the mechanical work W and the heat Q in the Joule’s simulation. 5. Explain how the most accurate calculation of the value of the relation between the mechanical work and the heat is achieved [...] the device, which was constructed by Joule, when he demonstrated the relation between the mechanical work and the heat. 2. Experiment with the simulation concerning the Joule’s experimental device for the
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Broom- hill, Pendlebury, by tutors till he was about fifteen years of age. At fifteen he commenced working in the brewery, which, as his father's health declined, fell entirely into the hands of his brother [...] of his father’s home. His earliest experiments explored the relationships between electricity and work. In 1840, at the age of 22, he established that a conductor carrying an elec- tric current became [...] to each other what good can come out of a town where they dine in the middle of the day?” Joule’s work was so impressive that his provincial origins were forgiven, and by the late 1840’s he was regularly
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Rumford’s work with re- spect to energy conservation, the importance of Lavoisier's work lies not in the fact that his system can be seen as the accepted theory – and actually Rumford’s work did not change [...] became familiar with the work of Victor Regnault and Sadi Carnot. The latter had demon- strated that the work of a steam engine is depend- ing on the temperature difference, thus the work was not equivalent [...] responsi- ble for establishing his work, but also William Thomson, who later became Lord Kelvin. Yet, Joule himself did not start from scratch and par- ticularly referred to the work of Benjamin Thomp- son, Count
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Rumford’s work with re- spect to energy conservation, the importance of Lavoisier's work lies not in the fact that his system can be seen as the accepted theory – and actually Rumford’s work did not change [...] became familiar with the work of Victor Regnault and Sadi Carnot. The latter had demon- strated that the work of a steam engine is depend- ing on the temperature difference, thus the work was not equivalent [...] The hard work of experimenting Storytelling Teaching Model: www.science-story-telling.eu Joule_Didactical-Scenarios.pdf Illustrating the the possible transformation of heat into work and work into heat
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very active in their scientific research. This was the reason why Irene had to stay at her desk working on the paper instead of going into the laboratory where she would usually be at this time of the [...] and so were the peaceful times. War broke out when Irene was only 17 years old, and she started working with her mother in military hospitals where they operated the X-ray ma- chines, an innovation to [...] the daughter of Marie Curie than a researcher by her own right. Espe- cially since, she was also working in the same field of radioactive research. However, she and Frederic gained more and more approval
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radioactivity. She worked out the equipment used to measure the radioactivity in the substances used in farming, and in 1924, together with Catherine Chamie, she published the work on radioactive decay [...] decay constant of radon. While assisting her mother, and even replacing her in working in the Institute, Irene took up the research on the alpha particles emitted by the polonium – the element discovered by [...] way in the absorbent (air or different gases). In the following years, Irene still referred in her works to the number of ions appearing in the air under the effect of the element radium C radioactivity
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radioactivity. She worked out the equipment used to measure the radioactivity in the substances used in farming, and in 1924, together with Catherine Chamie, she published the work on radioactive decay [...] opment of the atomic theory as the original works of Leucippus and Democritus were lost and were actually known only through his criti- cism. Aristotle’s works were kept and expanded in the Islamic culture [...] decay constant of radon. While assisting her mother, and even replacing her in working in the Institute, Irene took up the research on the alpha particles emitted by the polonium – the element discovered by