After AF Mozhaisky : How do people learn to fly

When in 1953 to two young researchers from England to James

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«puchaem absolutely absurd figure of a gain o'shnosti ocean — 83 km. It is obvious, that for last M emja rate of growth of ocean was abnormal the big. Possibly, it speaks the sum of the reasons: the warming of the climate which has caused both thawing of ices, and temperature expansion of water, and also its increased receipt from terrestrial bowels.

The largest reservoir is the World ocean with okrainnymi by the semiclosed, interisland and midland seas. The area of the World ocean of 361,2 million РєРј2, or 70,8 % of all surface of the Earth (510 million РєРј2); average depth of 3,8 km, and water volume in it 1370 million РєРј3 (in northern hemisphere 40,4, and in southern 59,6 %). On depths from 3 to 6 km 75 % of the area and 90 % of volume of water of the World ocean (tab. 8) are necessary

Whether it is normal pove - Despite the fact that what in-denie waters in srav - yes — the substance accepted ' p nenii with others quality of the standard of a measure by substances of density, volume etc.

Really, the mankind aspired at all times to knowledge of this surprising substance - of water, perfectly realising its exclusiveness. So, still six millenia ago at shumerov 1 there were cosmogonic representations in which the leading role was given to water: В«Yet was not at the top of the sky, and in the bottom of the Earth, but gods of ocean (Apsu) and the seas (Tiamata)В» already reigned.

Now, when on the Moon people when to Mars and Venus space vehicles go down for research have already visited, the name of the great scientist is known by each first-grader. And then, in old remote Kaluga where horses in streets rolled on a belly in a dirt where did not pass still any car, and about balloons wrote as about a miracle, such statements of the deaf provincial teacher were perceived at least as an eccentricity or delirium of the visionary.

It is natural, that airplanes then yet had no practical application and could not have. They were weak, low-power, unstable, and to fly on them it was dangerous. It were only the first steps by air, but they amazed imagination of contemporaries, and frequently to look at airplane flight, people came for hundreds and thousand kilometres. And enterprising pilots to earn money, have started to drive about with indicative flights worldwide

Ten millions years of a bird adapted to a life in a cart -