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ARCHIMEDES (287 - 212 BC) - Ancient Greek mathematician, physicist, and mechanic. Archimedes is...
Make the New Year's holiday beautiful and unusual, so that the children saw in him a fairy tale,...
Summer is the time you want to spend outdoors. At the desk, the children will sit down in...
Can a polyhedron be curved? Perhaps this is some mistake? Or maybe this is not a polyhedron? It...
Stamps cover all significant events happening in the world. Much attention was paid to polyhedra by...