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Which is the shortest way from a point A to another point B (A and B are on the same semip...
The kaleidoscope of the cube can be used to visualize the fact that, by doubling the edge ...
A letter without symmetries. A rotation of 180° sends the letter in itself.
A letter with horizontal symmetry (parallel to the direction of writing). Exhibit of Simme...
A letter with vertical symmetry (perpendicular to the direction of writing). Exhibit of Si...
The different effect of two mirrors on various letters, according to their axis of symmetr...
A gate with a scheme of symmetry of type 4*2 that can be reproduced in a square room of mi...
Michele Ciribifera's helicoid at the exhibition matemilano at the Museum of Science and Te...
The Borromean rings. Exhibit of matemilano, section "Topology".
A drawing to reconstruct in a mirror box. Exhibit from Simmetria, giochi di specchi - Sym...
