In mathematics, the interval is a set of values ​​between some lower value, and some high value. There are different types of intervals, which are required to provide…

On this "Radio Liberty" is now Chairman of the Central Election Commission Lidia Yermoshina. It is understood that the CEC November 14 register his candidacy. One vacancy in…

Today at 23.15 MSK with launcher platform 39 200 Baikonur starting calculations of rocket-space industry of Russia made a successful launch of a space rocket "Proton-M" with the…