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iSTEM Nocturnes: Playlist
This playlist contains all recorded nocturnes from iSTEM.
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Citizen movement Klimaan: Local climate projects
In this webinar, Tris Segers, an employee of the Mechelen citizen movement Klimaan, outlines how you can deal with our commons with care: soil, water, energy, mobility, air, etc. She illustrates this using some local projects and initiatives.
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Roasting coffee with solar energy: Example of sustainable entrepreneurship
In this webinar, Gert Lindhout gives an example of dynamic and sustainable entrepreneurship. He is co-owner of coffee company Ray&Jules, works at CEE Cleantech and is co-founder of Mic Mac Miniscule. He testifies to how good business …
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Do small nuclear power plants save the climate?
Marc Alexander, the speaker of this webinar, is a member of the March 11 Movement 2015. This organization advocates 100% renewable energy and strives for a social and just transition. During his presentation he refutes the alleged advantages of …
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ART4DEM: Project to use drama around citizenship
This website is packed with info, tips, tools and downloadable materials to use drama for citizenship education in schools and was created as a result of a research project.
You can also read the brochure Drama and citizenship at school .
This learning …
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Qualitative determination of sulphites in wine
Almost every label on a bottle of wine states that the wine contains 'sulfites'. Sulphites are therefore a frequently used additive during the vinification process because many winegrowers are convinced that they are indispensable to …
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The critical micelle concentration of sodium dodecyl sulfate
The determinations of the critical micelle concentrations (cmc) for ionic surfactants using specific conductivity measurements are excellent research projects for students and pupils to gain insight into some properties of substances in solution. …
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Giving an extra dimension to classic equilibrium tests
Chemical equilibrium is a difficult topic theoretically. By studying the complexation reactions in an aqueous solution of a copper salt with hydrogen chloride and with ammonia, it can be made clear that there is a single reaction system.
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Experiment with copper nanoparticles to show color changes
In this contribution, we discuss a student project where copper nanoparticles were prepared by reducing copper (II) sulfate using sodium borohydride. The use of iodide ions provides the necessary stabilization of the nanoparticles formed. The …
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The discovery of argon and the importance of accurate data analysis
John William Strutt, third baron of Rayleigh (1842-1919), is one of the most impressive figures in the history of the natural sciences. He is best known for his explanation of the blue color in the sky caused by Rayleigh scattering. It is less …
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Synthesis of gold colloids from honey
Gold colloid synthesis is a colorful nanochemical experiment. In this
contribution we discuss a student project where gold colloids are prepared from
a gold (III) salt using honey. The experiment is simple in execution.Translated by
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Determine the critical micelle concentration
Surfactants tend to form micelles in solution. The critical
micelle concentration is an important parameter for describing stability
of micelles. In this article we describe a relatively simple experiment through which
conductivity measurements the …Translated by
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