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The roof of a skylight in Sondrio, at the galleria Campello.
Photo of two apples of the same size inside an Ames room. From an exhibit of matemilano, s...
Una delle possibili strategie per disegnare una superficie, come qui una ciambella a tre b...
You can get persuaded of the the fact that convexity is unimportant for the validity of Eu...
Two mirrors angled in a particular way highlight the axes of rotation of a cube. Here two ...
Un esempio di impacchettamento di sfere con questi melograni impiati su una bancarella, ad...
A simple way to understand why there are only five regular polyhedra is to examine how reg...
The rhombic triacontahedron can be coloured with five colours so that, around the vertices...
