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The form of the tetrahedron is transmitted by antimony sodium sulfate.
The festival of fascinating science was held in Moscow on April 24 and 25, 2015, at the physics...
For a primeval man, fire once became a new form of social life. The night ceased to be an...
Under the guidance of Tatyana Yurievna Timofeyeva, a teacher of mathematics, the guys worked on the...
The Lighthouse of Alexandria, one of the Seven Wonders, was built in the 3d century BC in an...
It is not often possible to encounter polyhedra outside of math textbooks. Even though such...
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...