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the son of a weaver who owned a small piece of land, and like many children of his era, John had to work from the very early age. However, he finally had made it: Since a couple of years, or, to be more

waiter, realizing that he had not yet attended to the doctor’s request, concluded, "Very impressive work! I wish you every success. I’ll get your coffee immediately." Eijkman nodded and turned back to the

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The hard work of experimenting Manchester, in the early 1840s. Manchester was a busy industrial town in these days, actually, it could be named as the industrial cen-ter of England, and in those days,

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

stress different aspects of the scientific work, will provide insight into Joule's set of experiments by which he determined the ratio of heat and mechanical work. Joule and energy The immediate use of solar

cannons were needed, and consequently, Benjamin Thompson had to go to the workshop to make sure that the work was going efficient and that the quality of the weapons was as expected. ... Biographies und historical

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. ... Biographies und historical backgrounds Filename Date Size / type Historical background: Atoms

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

teachers that takes a particular focus on the required skills and competences. As a result of the ongoing work in this project, there are additional materials which do not result from the initial project. Contact

stress different aspects of the scientific work, will provide insight into Joule's set of experiments by which he determined the ratio of heat and mechanical work. Joule und Energy When Emma Muspratt, daughter [...] unflexible and acting according to some rules that can neither be understood nor questioned, or to be a work that has no place for individual approaches or competences. This misperception is problematic as it