Discoveries of Lomonosov

Optics and electricity, warmth and metallurgy, metallurgy and meteorology, geography and art, literature and history, philosophy and chemistry, astronomy and geology. We are all familiar with these teachings, but not everyone ...

Radius of a circle

First we give the definition of the radius. Translated from the Latin radius - is "the beam, spoke wheel". The radius of a circle is a segment of a straight line connecting the center of the circle with the point that is on it.…

Creation of the USSR

The creation of the USSR was, in the opinion of many historians, quite painful. The country has recently ended a civil war, the consequences of which were quite heavy. The question of the formation of a single administrative-territorial structure has become very acute. AT…