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A prism with an equilateral triangle as a base. We can compare its volume with that of a p...
The surface of the Géode in Paris. If a polyhedron has triangular faces and has 5 or 6 tr...
The image shows an axis of rotation of order 4 of the cube. If we number the faces of the ...
La famiglia dei poliedri che si ottengono scegliendo un punto per ogni spigolo di un ottae...
L'impacchettamento in cui i centri delle sfere sono ai vertici di un reticolato cubico (co...
The rhombic triacontahedron can be coloured with five colours so that, around the vertices...
An anamorphosis in a hemispherical mirror. Exhibit realised by Gianni and Maria Miglietta ...
An anamorphosis in a hemispherical mirror. Exhibit realised by Gianni and Maria Miglietta ...
The polyhedron in the photo is uniform: this means that around every vertex there are the ...
