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Each of them is limited by different polygons where the polyhedral angles and identical polygons are equal. Furthermore, the same number of equal faces meet at each vertex. In the same order, each of these solids can be inscribed into a sphere.

All these thirteen names make your head spin when you see them for the first time. However, it is possible to sort things out, understand, and remember them.

Can a polyhedron be curved? Perhaps this is some mistake? Or maybe this is not a polyhedron? It...

The Kepler's Star (nor Keplerstjernen), 45 meters high, is located near Oslo in Gardemoen Airport. A huge...

We open the veil of the secrets - how our products are made. And let's do it on the example of...

For a primeval man, fire once became a new form of social life. The night ceased to be an...

Metal processing is a very complex process. But some masters can cut out polyhedrons from metal...

There are five regular polyhedra: a tetrahedron, an octahedron, a cube (also known as a...

The most famous building in Kazan (a city in Russia) and its main symbol is Tower Syuyumbike. It...