Images for Mathematics

A virtual polyhedron

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One of the five regular polyhedra, the cube, reconstructed, in two colours, in the kaleidoscope of the tetrahedron: so we can see that the symmetry goup of the tetrahedron is a subgroup of index 2 in the symmetry group of the cube.
You can see a different polyhedron in the same kaleidoscope or another polyhedron in a different kaleidoscope.
From the exhibition Symmetry, playing with mirrors.

The image belongs to the sections...:
Groups and subgroups (Symmetry)
The symmetry group of the tetrahedron (*332) (Symmetry)
In the yellow kaleidoscope (tetrahedron) (From the exhibitions of matematita)


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