The experiments with the helicopter : How do people learn to fly

Ice it is, less, than in northern, however ice volume in southern hemisphere approximately in nine times more, than in the northern. The thickness of ice on the Antarctic continent reaches 3,7 km (on the pole of 2,7 km). The smaller area occupied with ices, and more a heat in southern hemisphere speak that this hemisphere is oceanic, and water possesses a high thermal capacity. Therefore the ocean is kept received from the Sun warmly longer, than by a land

Certainly, energy of evaporation of water cannot be utilised now for needs of the person in any way. As to potential energy of rain drops it is used by the person on hydroelectric power stations, but in perfect a minute quantity. Energy of the rain which considerable part vanishes without advantage for a national economy is how much great, well illustrates comparison of energy of a long downpour with energy of explosion of a nuclear bomb, an order 1020 erg. Essential distinction consists only that energy of explosion is instant, and energy of a downpour is stretched in time for tens minutes