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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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scenarios for the small island state analysed. The work will be carried out in groups of 5 to 10 students. The students will learn to organize their work as a group research project and to regularly report [...] and a final written report (approx. 15 pages) by each team (includes modelling work) Medienformen / media used: Group work and lectures with beamer based presentations Literatur / basic literature for the [...] week: Seminar / 6 SWS Arbeitsaufwand / student workload: 90 hours of teaching and 210 hours of student work Kreditpunkte / credit points: 10 ECTS Voraussetzungen / preconditions: none Lernziele / Kompetenzen
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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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have invented the device. However, it is unclear whether he had been familiar with Wilcke’s work or whether his work serves as an example of an independent development. The operations with the electrophorus [...] electrical charges. However, most researchers in the field of electricity remained ignorant of Wilcke’s work; and the electrophorus was particularly made known by the Italian Alessandro Volta (who is best known [...] other electrical phenomena) be explained with both conceptual ideas. However, another researcher worked with the electrophorus, and he seemingly made an observation that could be used as evidence for the
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child of twelve born to James and Martha Ruther- ford. His father worked making wheels for carts, and as an engineer. Later, his father worked as a flax- miller. In contrast, his mother was an English teacher [...] was very important to his par- ents. James Rutherford’s work was also very impor- tant to the development of his son’s personality. His father’s work required the family to move quite of- ten. In 1876, James [...] a reputa- tion as being an outstanding researcher and innova- tor working at the forefront of electrical technology. He chose to work with Professor Joseph John Thom- son at Cambridge University’s Cavendish
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today perceived as masterpieces, are collectible and admired around the world. Her most important work, Insectorum Surinamensium Metamorphosis (1705) is considered as one of the finest natural history [...] than she painter, Johann Andreas Graff, another stepfather's student, who later specialized in the works of painting and engraving of architectural objects. Until 1670, the couple lived in Frankfurt, where [...] colorized by the author was a new phenomenon at that time. Nuremberg luminary Arnold Chistopher named her work as "a magnificent" … In 1681, her stepfather Marrel died, and Maria Sybilla moved from Nuremberg to
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received his first science book at the age of ten, he was hooked; nevertheless, he still had to keep working at the farm chores. He was very studious and managed to obtain university scholarships. Throughout [...] his university days in New Zealand, he studied and invented high-frequency electrical circuits and worked with radio waves. After he graduated with his Master’s degree, he looked for a job as a school teacher [...] not afford to get married. Failing to get a job, he went back to his parents’ farm to help with the work. ... Rutherford's Nuclear Atom 05/05/2021 214 KB (PDF) Full Story Download Biographies und historical
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the principle of energy conservation. Joule demonstrated in a series of experiments that mechanical work (which he still called 'mechanical force') can be converted at a constant ratio into heat. Story n° [...] necessity of careful experimenting in the process of generating new scientific knowledge. The hard work of experimenting: James Prescott Joule and the mechanical equivalent of heat. Story n° 2. This story
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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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aversion against any emptiness. This discussion flamed up again in the 17 th century. Beneath the work of Galilei, Torricelli and Pascal in Italy and France, the mayor of Magdeburg, a town in the center [...] aversion against any emptiness. This discussion flamed up again in the 17 th century. Beneath the work of Galilei, Torricelli and Pascal in Italy and France, the mayor of Magdeburg, a town in the center [...] to compensate the applied force of about ten men on the right. However, what one cannot see is the work that has to be done, to conduct this experiment. Schott illustrates in his technica curiosa a setup