A sphere in a kaleidoscope
The triangular hole inside the kaleidoscope, reflected in the mirrors, creates the virtual image of a sphere, that has the same structure of division in triangles of the wooden sphere, hanged over the kaleidoscope.
Exhibit of Simmetria, giochi di specchi - Symmetry, playing with mirrors.
© matematita
The image belongs to the sections...:
The symmetry group of the tetrahedron
(*332) (Symmetry)
In the yellow kaleidoscope (tetrahedron) (From the exhibitions of matematita)
Further information:
http://specchi.mat.unimi.it
