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Direct linkTordesillas, A.; Arber, D. – International Journal of Mathematical Education in Science & Technology, 2005
Flowing granular mixtures in rotating cylindrical drums arise in numerous industrial settings and are of great technological significance worldwide. To date, the development of a robust mathematical model for this process remains an open research problem. However, simple mathematical models may be developed that capture some of the underlying…
Descriptors: Profiles, Mathematical Models, Case Studies, Teaching Methods
Gailiunas, P.; Sharp, J. – International Journal of Mathematical Education in Science & Technology, 2005
Everyone is familiar with the concept that the cube and octahedron, dodecahedron and icosahedron are dual pairs, with the tetrahedron being self-dual. On the face of it, the concept seems straightforward; however, in all but the most symmetrical cases it is far from clear. By using the computer and three-dimensional graphics programs, it is…
Descriptors: Logical Thinking, Computer Graphics, Computer Simulation, Thinking Skills
