Una superficie in legno

Questa scultura in legno di Franco Badaracco fa parte di un gruppo di 22 sculture che eran...

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Una superficie in legno

Questa scultura in legno di Franco Badaracco fa parte di un gruppo di 22 sculture che eran...

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A wooden surface

A wooden sculpture of Franco Badaracco's. From the point of view of topology, it represent...

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A 120-cell

A projection of the 120-cell, that is one of the six regular polytopes in dimension 4, in ...

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How many different dice th...

There are 30 possible dice (if we don't consider the usual convention of disposing in oppo...

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Knots

The setting of the exhibition Matefestival at the Festival of Science in Genoa, in 2005.

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Inside a mirror box with a...

A paving, reproduced in a triangular mirror box with angles 90°, 45°, 45° with these ti...

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A decoration *×

The scheme of symmetry of this decoration at the Castello Sforzesco in Milan is of type *Ã...

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Word games

A word with an axis of symmetry perpendicular to the direction of writing.

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Symmetric numbers

There are no reflections that fix this number, but a 180° rotation maps it onto itself. E...

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