Rosettes with dihedral symmetry of type D4 and D12 on this main gate and friezes on the fr...
Unicellular alga covered in silica. The photo of this diatom seen under an optical microsc...
If we put any object between two incident mirrors at angle that divides 180° (18° in the...
On the chapel Colleoni, in Bergamo Alta, a rosette with dihedral symmetry of type D12.
Circular or Byzantine chess, a game of war and strategy, derived from the ancient Indian g...
This drawing has been used for an exhibit of Simmetria, giochi di specchi - Symmetry, play...
A rosette with dihedral symmetry of type D16 (or D8 if we consider the external part), on ...
Some rosettes with dihedral symmetry of type D4, D5 and D10 under these archs of the court...
