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The form of the tetrahedron is transmitted by antimony sodium sulfate.
The invention of the calendar is a remarkable event for humanity. The fact that a year consists of...
Studio Artemy Lebedev (makes the design for the leading search engine Yandex) was the proposed...
If you don't like math, then on Halloween, evil forces will come for you! Create two guards who...
Is it possible to make up an icosahedron using more simple polyhedra?...
When we demonstrate polyhedra assembled from the Magic Edges set, people often ask the same question...