Birds and Crafts : How do people learn to fly

Joint spectrographic works of scientists of the Californian institute of technology and the Texas university (USA) in 1969 had been defined water total on Mars in volume 1,6 РєРј3 (it can make a layer in the thickness in 50 microns on all surface of a planet). Polar caps, possibly, consist of a mix of carbonic gas and water.

Besides storms, hurricanes, cyclones and anticyclones movement of air weights in atmosphere occurs and is quieter. As one of examples we will result a breeze. It is a coastal wind which blows from the sea, and at night from a land in the afternoon, getting sometimes on considerable distance (to 40 km) in depth of a land. If the sea is under the influence of cold currents the breeze over a land absorbs water steams and by that dries up a shore

The Kharkov newspapers inform, that there affairs successfully move ahead at

Yes all for the same reason: because of economic and technical backwardness of old imperial Russia. The plane without the motor will not depart. And easy petrol motors in Russia was not. Here enthusiasts also built motorless devices that on them to comprehend secrets of flight art