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|Projects: a remake of The Flat Torus in the Three-Sphere, a film originally created in 1968; "Complex Function Graphs"; self-linking of curves on the 3-sphere; "Monge and Desargues, Identified" (requires the Geometer's Sketchpad); a "sketchpad" for spherical geometry, with interactive demonstrations in Fnord; the geometry of least squares; the volume of an n-dimensional ball; the Klein bottle rotating in four-dimensional space; a module for constructing examples of arbitrarily high topological complexity; the life and works of Edwin Abbott Abbott; a partially updated 1990 article concerning Flatland and Hypergraphics. See also his 1997 projects and homepage.|
|Resource Types:||Graphics, Lesson Plans and Activities|
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