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  1. Dodecahedral Group, The (1978 Video)

    Producer
    Jack Koumi
    Subject
    Mathematics
    Distribution
    OUT OF DISTRIBUTION, Videocassette. Standard formats. col. 25 min.

    Uses models to demonstrate that the direct symmetry group of the dodecahedron (the dodecahedral group) is its rotation group. The group is shown to be isomorphic to A5, the group of even permutations on five...

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  2. Pyramids, Plato and Football (1995 Video)

    Producer
    Steve Hoy
    Subject
    Mathematics
    Distribution
    OUT OF DISTRIBUTION, Videocassette. Standard formats. col. 24 min.

    Looks at the regularity and symmetry found in some three-dimensional shapes, in particular the Egyptian pyramids, the five platonic solids and the standard football design. Shows the proof of Euler’s...

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  3. Symmetries of the Cube (1972 Film)

    Subject
    Mathematics
    Distribution
    Film (16mm)

    The symmetries of a square are exhibited as products of reflections. The octahedral group is studied via reflections produced by an octahedral kaleidoscope, and it is shown how the construction of these is...

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  4. Curiouser and Curiouser (1980 Video)

    Subject
    Physics
    Distribution
    OUT OF DISTRIBUTION, Videocassette. Standard formats. col. 25 min.

    Uses a science-fiction setting to illustrate the problem of distinguishing left from right. Discusses the violation of parity and the development of CP-invariance. Illustrates the Lee Yang theory of the...

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  5. Geodesic Domes: Math Raises the Roof (1982 Film, Video)

    Producer
    David Nulsen
    Subject
    Mathematics
    Distribution
    Film (16mm)

    Discusses whether dome size should influence its geometry; how chord factors are calculated; what geometric patterns govern the design, and how a list of materials is drawn up. Many mathematical concepts are...

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  6. Through the Looking Glass (1980 Video)

    Subject
    Physics
    Distribution
    OUT OF DISTRIBUTION, Videocassette. Standard formats. col. 25 min.

    When a typical household scene is observed through a mirror, is there anything that enables you to know that you are not observing reality directly? Looks at the question of distinguishing between the mirror...

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  7. Dihedral Kaleidoscopes (1973 Video)

    Subject
    Mathematics
    Distribution
    Out of Distribution, Videocassette. VHS. col. 13 min.

    A dihedral kaleidoscope is formed by two plane mirrors intersecting at an angle pi/n. When an object is placed before the mirrors of such a kaleidoscope, 2n objects are seen: the original and 2n-1...

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