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that he turned into an experiment: In the process of cannon-boring, the metal heated up. Rumford used a blunt drill in order to increase the Fig. 1: Rumford’s experiment on the quality of gun-powder [...] substance with Lavoisier’s caloric. The im- Fig. 2 Rumford’s cannon-boring experiment (Thompson 1798). Background for stories concerning energy 3 Storytelling Teaching Model: http://science-story-telling.eu [...] was estab- lished in the theory of heat. Whilst Rumford’s cannon boring experiments can be seen in direct relation to the establishment of the theory of heat, two other of his research projects appear to
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(caloric) were identified as ele- ments. But Rumford’s cannon-boring experiment seemed to disprove a material theory of heat and to show that heat was instead something immate- rial. Rumford went to
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ticed that intense heat was created during the process of cannon boring, in which a large hole is drilled into a cannon to create the cannon barrel. According to ca- loric theory, the metal from the cannon [...] his most famous experiment, Rumford arranged for a can- non to be bored under water, with a blunt drill. After two-and-a-half hours, the water began to boil. Since heat kept getting produced by the cannon-boring proc- ess and its production did not drop or stop over time, Rumford argued that heat could not be a caloric fluid. Rumford also
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/encyclopedia/R/Rumford.html http://www.eoht.info/page/Cannon+boring+experiment ) …………………………………………………………………………………………………………………………………………………… …………………………………………………………………………………………………………………………………………………… ……… [...] /encyclopedia/R/Rumford.html http://www.eoht.info/page/Cannon+boring+experiment 2 Student’s Learning Activities (Rumford and calorics) Storytelling Teaching Model: http://science-story-telling.eu