http://www.science-story-telling.eu/fileadmin/content/projekte/storytelling/biografien/biografien-eng/mouchot-biografie-gb.pdf
sunbeams! It struck observers as bizarre – even magical.” Mouhout won a first place medal at this exhibi- tion and could continue his work on the devel- opments. In 1869 he poured himself into writing the first [...] cop- ies per hour of his newspaper “Soleil-Journal”. However, The political and economical situa- tions in France have changed. The economy in France was improving. The Cobden-Chevalier Treaty** between [...] portant as before. He hasn’t got more financial support. His activity concerned with the investiga- tions and implementations of solar energy in prac- tice stopped. Mouchot went back to the teaching profession
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ments on heat radiation. This was combined with a hollow mirror that was used to focus solar radia- tion on the cylinder. Already in 1861, Mouchot was able to produce steam with his device. In the following
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Dmitris Periodentraum 1 Storytelling Teaching Model: http://science-story-telling.eu Dmitris Periodentraum 12. Juli 1849 in Tobolsk, Sibirien: ganz aufgeregt hielt der 15-jährige Dmitri Mendeleev sein
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and was appointed as the Director of the Bureau of Weights and Measures. He remained at this posi- tion for the rest of his life. 2 Biography: Dimitri Ivanovich Mendeleev Storytelling Teaching Model: wiki
http://www.science-story-telling.eu/fileadmin/content/projekte/storytelling/hintergruende/hintergrund-eng/hintergrund-mendeleev-gb.pdf
even during alchemy, there was a strong belief that substances can be classified. However, the no- tion of element was a completely different one: the four elements Water, Fire, Earth and Air were described [...] his ele- ments into metals, non metals, earthly sub- stances, and simple substances. This organiza- tion is based on the properties of the elements: materials with similar behavior in chemical reactions [...] chemical elements that behave very similar to each other in reactions. He could find several combina- tions of elements, and there were always three elements. Moreover, these elements did not just react similarly
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http://www.science-story-telling.eu/fileadmin/content/projekte/storytelling/geschichten/geschichten-eng/dalton-story-gb.pdf
about the new, quantitative approach in chemistry: He stressed that there are always given rela- tions between the masses of two substances which form in a chemical reaction a new sub- stance. So from [...] question?” “Go ahead”, replied Dalton, curious what might be questionable about these simple rela- tions he was just talking about. “Why are there these quantitative ratios be- tween the elements in the [...] thinking about this episode, however, his perspective had changed from initial frustration to fascina- tion. In the meantime he had quit his position at the New College of Manchester, he had be- come an independent
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positivistic sense, nor in the sense of an applicable theoretical descrip- tion) but just a heuristic tool to describe chemical reac- tions, without contributing to the actual understanding of matter (Görs 1999) [...] that science’” (1993, 35). Yet, it was not only the methodological step or conceptual modifica- tions that made Lavoisier’s chemistry distinct from the previous understanding. Two key aspects in his under- [...] must admit, as elements, all the substances into which we are able, to reduce bodies by decomposi- tion. (Lavoisier 1794, xxiii) Remarkably, Lavoisier was already using the term “atom” even though he was
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hydrogen, in combina- tion with oxygen, produces water, thus contradict- ing the ancient theory of four elements (water, air, fire, earth). In Sur la combustion en general (About igni- tion, 1777) and Considérations
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stance in question to ashes. The heat that is devel- oped in addition to the heat supplied to the reac- tion is the physical calorific value. Lavoisier’s final fate was cruel. During the French revolution he