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Rice, Nicholas P.; de Beer, Martin P.; Williamson, Mark E. – Journal of Chemical Education, 2014
A simple low-cost experiment has been developed for the measurement of the binary diffusion coefficients of liquid substances. The experiment is suitable for demonstrating molecular diffusion to small or large undergraduate classes in chemistry or chemical engineering. Students use a cell phone camera in conjunction with open-source image…
Descriptors: Science Instruction, Chemistry, Science Experiments, College Science
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Gagnon, Michel – Physics Education, 2011
Mainly used in the 1960s, bubble chambers played a major role in particle physics. Now replaced with modern electronic detectors, we believe they remain an important didactic tool to introduce particle physics as they provide visual, appealing and insightful pictures. Sadly, this rare type of detector is mostly accessible through open-door events…
Descriptors: Simulation, Mechanics (Physics), Computer Software, Science Instruction