On the way to the UFO technology — plasma aerodynamics

Scientists from the Samara branch of the Physics Institute of the Russian Academy of Sciences received a revolutionary data modeling of shock waves in nonequilibrium gas environment, which, they believe, will greatly promote the plasma aerodynamics.Emerged a few years ago plasma aerodynamics (the term was proposed by Russian scientists) studies the interaction of the plasma with subsonic or supersonic flow. One of the main issues of interest to most researchers now - is a shock wave in a nonequilibrium gas-plasma medium. It is a surface of discontinuity, moving relative to the gas. At its intersection Read more [...]
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Records extreme: a deadly height and ride the storm

Thousands of Florida residents have seen an unusual show. One of the most famous in the world of high-wire, Nick Vallenda, performed a dangerous new trick. At a height of 60 meters, he was without insurance on the rope above the motorway. The audience watched the show, with bated breath. But six-time champion himself Guinness then said: "It was a wonderful walk, from this height a beautiful view." In Portugal, the other looking for experiences, Hawaiian surfer Garrett McNamara, delighted the audience a new world record. He rolled on the wave height of 30 meters and a half. It Read more [...]
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Heat wave out of Africa again coming to southern Europe

on June 18. Coming from Africa wave of hot air last week raised the temperature in southern Europe almost to the 40-degree mark, this week the African air will continue «preheat» Europe, according to the hydrometeorological center of the Russian Federation. «A huge wave of hot African air was growing up to greater heights and rose to the North and North-East, covering the southern European countries and ensuring there is more hot weather than normal. Salvation can be found on the sea coast, where the temperature of the background, due to the proximity of water, was still more Read more [...]
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In the Caribbean the strongest possible tsunami

Many people think that if the old man can not remember the waves several meters high, and then it can be expected. But nature, it remembers, and she should trust.Over three thousand years ago, a tsunami caused by a strong long-term environmental change in the Caribbean.Scientists came to this conclusion by analyzing sediments from coastal lagoons of the island Bonaire, located about 80 km north of Venezuela. Caribbean are generally very sensitive to hurricanes, tsunamis, landslides and floods.Lagoon islands Bonaire (photo Anja Scheffers).500 years of recorded history on Bonaire has never Read more [...]
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Blizzard and snow drifts two feet: snow will be much narrower than the output

In the coming days, the European territory of Russia will cover a powerful cyclone. In the metropolitan area snowfall will begin tomorrow. Extensive front progresses from the Baltic. Thus, even at noon Wednesday Moscow will be in the first wave of snow. But he will not be as intense as on Thursday, Friday and Saturday. The second wave of the cyclone several times more powerful. Over the weekend promises to at least 23 centimeters of snow, just in case, prepare for a half-meter snowdrifts. The temperature will be kept in the range of minus 8 to minus one degree. Pressure is also significantly Read more [...]
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On Sakhalin, have begun to explore the killer waves

The region has opened Russian research center of this mysterious natural phenomenon, from which each year die Court, oil platforms and millions of people. Earlier killer waves felt horror stories, but now they were engaged scientists to understand how to fight. Report correspondent of Channel Alexey Zbarsky. Killer waves - this is not a horror story, invented by scientists to terrorize the inhabitants, as well the official term. It reflects the essence of the phenomenon - in the ocean suddenly, without there seeming wall of water height of 30 meters or more, which is moving at great speed. Read more [...]
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Twinkle gene determines the growth of the embryo

During embryonic development of its agencies must conform to the size of the body and the size of each other. It is clear that one vertebra should overtake its neighbors and become the size of the entire spine. That is, in the growing embryo is a constant scaling of the body, from the smallest to the largest. As it happens, the scientists were able to see from the European Molecular Biology Laboratory (Germany).David Spears). "Height =" 389 "width =" 600 ">Rat embryos at the age of about 16 days (photo David Spears).The researchers took the germ cells of mice at Read more [...]
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Buildings enhance tsunami

During the construction of the coastal cities, we must remember that in some places the wave can be accelerated by 100 times. In relation to climate change is especially important. Scientists have recreated a city in miniature to model the tsunami hits the shore, and found that the building can exacerbate the incoming flow of water. The findings, presented yesterday at the annual meeting of the American Geophysical Union, said that even if the city as a whole is able to withstand the huge waves, some of the buildings and streets concentrated traveling wave, accelerating it to 80 × 100. After Read more [...]
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America faces megatsunami

One located in the Atlantic volcanic eruption in the case can cause huge ocean wave that could drown the Caribbean and large parts of the east coast of the U.S. - the scientists say. Dr Simon Day, of the research center at University College London warns that one of the slopes of the volcano Cumbre Vieyha, located on the island of La Palma, Canary Islands is unstable and could collapse into the ocean. Swiss researchers have modeled the landslide, they say that the water could collapse rock weighing half a trillion tons, will result in a wave height of 650 meters, able to quickly cross the Atlantic. Read more [...]
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Bashkiria is withering from the heat wave and drought

on 4 August. Because of the heat wave and drought in Bashkiria completed ahead of schedule navigation. The corresponding decision was made at the Republican Prosecutor's office. The water level in the Bashkir rivers approached critical for navigation level. Now what do tourists who bought tickets for the river cruise? Source: Lead Read more [...]
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Climate change may lead to high waves in some places

Will other maritime waterways and coastal erosion pattern. The height of the waves rise near the eastern coast of Australia and Indonesia and near Antarctica, but the decrease in some other areas, according to an international team of scientists.Waves in the mediation of continuous exchange of heat, power, water, steam and gases between the atmosphere and ocean. They always change the height, frequency and direction of the wind and other factors, which, in turn, depend on the climate.Australia's Gold Coast. In a hundred years there will be a big wave. (Photo by Chris Smith.)Researchers Read more [...]
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An earthquake with magnitude 6.8 occurred near the Kuril Islands

Earthquake magnitude 6.8 occurred in the Kuril Islands, 162 miles from the North-Kurilsk. The epicenter of the earthquake lies at a depth of about 5 kilometers. There is a threat of a tsunami.The earthquake occurred at 04.12 local time on Saturday (22.12 Friday MSK). Tremors in Severo-Kurilsk felt to three points by force, no casualties or damage, "- said the Far Eastern Regional Center of Emergency Ministry. According to the representatives of the Ministry of Emergency Situations tsunami threat in the Far East has not been announced.Distance from the epicenter to the settlements:Severo-Kurilsk Read more [...]
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Japan reached the first wave of the tsunami after the earthquake in the Solomon Islands

The first wave of a tsunami after a powerful earthquake today in the South Pacific, reached the Japanese island Titidzima / Ogasawara archipelago /. According to the National Meteorological Administration in Japan, wave height does not exceed 10 centimeters. No one is hurt. Information about the devastation also been reported. Earlier Japanese meteoupravlenie announced the tsunami threat to the entire Pacific coast of the country - on the main island of Honshu, Hokkaido northern and southern Kyushu and Shikoku. Iwate Prefecture authorities have extended the recommendation to the temporary evacuation Read more [...]
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Unique tidal wave moves along the river

6 October. In China each year, you can witness the fascinating natural phenomena: a huge sea wave moves upstream river and crashes into the shore. A unique natural phenomenon: a fascinating view of the tidal wave of Chinese Qiantang river. Millions of cubic meters of sea water during high tide is moving against the current of the river, around the small Islands. And although these tides occur on other rivers, here it is the fastest — reaches a speed of 40 kilometers per hour, and the highest — wave rises to 8-9 meters. This phenomenon can be observed every time the sea Read more [...]
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Water features in shallow water explain the force of the tsunami

on 1 October. Scientists from the University of Colorado at boulder applied mathematical methods to the characteristics of the waves that appear in shallow water before the tsunami struck, and found that their characteristics depends what kind of force wave will flood the island. We found only two special types of waves - X-shaped and U-shaped, so named because of the shape, which becomes water mass.Carrying out his research in natural conditions, the scientists saw that the usual direct wave in the interaction form another type of waves, X - or Y-type. If closer to the coast during the tsunami, Read more [...]
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Find the cause of weather anomalies worldwide

Jet stream over Canada Scientists have found an explanation of the anomalous heat that struck us this summer. For example, the extreme heat in Russia and devastating floods in Pakistan have a common cause - to change the behavior of the so-called jet at high altitude in the atmosphere. This was explained by meteorologist Mike Blackburn of the University of Reading, UK, RIA "Novosti". High-altitude jet stream (jet stream) - winding streams of very strong winds, which is at an altitude of 7 to 16 miles. Their speed is ten times the speed of surface winds. Flow coming from the west to Read more [...]
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Climate change may lead some to high wave

January 14, 2013. The height of the waves will increase in the East coast of Australia, and near Indonesia and Antarctica, but it will decrease in some other areas, according to an international team of scientists. Waves act as intermediaries continuous exchange of heat, energy, water, steam and gases between the atmosphere and ocean. They always change the height, frequency, and direction under the action of wind and other factors, which, in turn, depend on the climate.Researchers have attempted to predict the characteristics of the waves in the next century using five different computer Read more [...]
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Create a map of the distribution of heat waves in Australia

January 27, 2013. The last 4 months have been the hottest in the history of the continent. January 7 was delivered stunning temperature record in +40,33°C during the day and +32,39°C. In January, every day more and more settlements fell under the influence of heat waves. The spread reflects heat created NASA and the Australian meteorological heat map, which caused the temperature indicators for all States of Australia.Oddly enough, on the map at the same time there are values that are at 27 degrees exceed the average day and night rate (territory in the South-West and the South, painted Read more [...]
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Hydrodynamic accident. Hydrodynamic accident causes

Hydrodynamic accident - An incident connected with the failure (destruction) of a hydraulic structure or its parts and the subsequent uncontrolled movement of large masses of water. The TCA constantly affect water flow, temperature variation, ice, dirt, static and hydrodynamic loads, there is abrasion of the surface, corrosion of metals, concrete leaching, rotting wood structures (or istachivanie living organisms). Therefore, over time, increasing the probability of failure of a structure and flooding the neighborhood. And dangerous not only on large dam reservoirs - dangerous breakthrough valves Read more [...]
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Explosions and their lethality. Presentation of the explosion

Explosion - Fast processes of physical and chemical transformations of substances, accompanied by the release of a significant amount of energy (heat, gas) to a limited extent, which resulted in the surrounding area is formed and propagating shock wave, could lead to a man-made emergency, ie the process of rapid transition potential (hidden) energy into mechanical work. The mechanical work done by the explosion caused by the rapid expansion of gases or vapors whether they existed before the explosion or formed during the explosion. At the heart of the explosive process may lie as the physical Read more [...]
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