How to control the vibration of matter

February 26, 2012 20:52

Adolf Kortel, September 2010. The video shows a couple of "beating" bowls from China, and also one from the Academy of Florence. See how they do it.

[0:04] Two bowls purchased in China. Four dragons on the bottom show the location being antinode for standing waves from hitting the bubbles.

[0:18] Note: Wet your hands with soapy water.

[0:31] Then put the cup under a soft cloth and gently stroking the handle, if you do not want to wet my pants. We need to find the right pressure.

[0:47] The one that more

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Water stop economic growth in China

Water problem has become one of the main barriers to the sustainable development of China. Deputy Minister of Water Resources Hu Syi believes that the water issue, despite the country's achievements in the development, utilization, protection and management of water resources in recent years, has become one of the main barriers to the sustainable development of China.

Speaking in Beijing on the eve of the premiere of the animated film on the theme of water conservation, the deputy minister said that the country is extremely acute shortage of water resources, water pollution and degradation of aquatic ecosystems, which have become

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From landslides killed 10 times more people than previously thought

According to a British study published August 14, 2012, the number of victims of landslides in 10 times more than previously thought. The vast majority of deaths occur in South Asia, Latin America and China.

In the period from 2004 to 2010, worldwide there were 2620 landslides took the lives of 32,322 people. As reported by researchers at Durham University in northeast England, estimates are preliminary. Landslides often occur in the summer in the northern hemisphere, particularly in the Asian monsoon. Most often, the victims are residents of overcrowded slums built on cleared slopes. The most dangerous areas

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Air pollution in China

Leading expert on respiratory diseases in the country, warns of the consequences that may be, if the government of China will not be able to control the level of smog. Air pollution in China will be the biggest threat to the health of the population.

Lung cancer, heart disease, the number of these diseases is increasing, and with time the number of cases will continue to increase due to the large amount of emissions factories, exhaust, cigarette smoke, said Zhong Nanshan, president of the Chinese Medical Association.

Despite the fact that air pollution in China is growing, government data

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Northwest China suffers from earthquakes

This year, in the Xinjiang Uighur Autonomous Region (XUAR), a period of seismic activity. The area has already been 14 earthquakes, four of which were forced to five on the Richter scale. Fortunately, no people have been hurt, but destroyed or damaged thousands of homes, property damage from these disasters is already in the hundreds of millions of yuan.

According to the National Seismological Bureau of China, the tremors of varying strength this year were recorded in the city or surrounding area, Altay, Hami, and the counties Bachzhou, Aksu, Khotan, and other areas Kezylsu Xinjiang.

The last earthquake in

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In northern China due to heavy fog canceled nearly 200 flights


Due to heavy fog in northern China this morning in Beijing Beijing Capital Airport canceled 199 flights, severely hampered transportation in most of its regions.

Fog caused the cancellation of dozens of flights and other aviation hub, particularly at airports Shijiazhuang / Hebei / Zhengzhou / Henan / and cities of Tianjin.

The Beijing Meteorological Station announced during the night in an increased level of risk. Traffic on the highways and streets of the Chinese capital has slowed. In addition, increased levels of air pollution, which is several times higher than

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10 of the most deadly natural disasters in history

For centuries, natural disasters would not let humanity. Some have happened so long ago that scientists can not assess the extent of damage. For example, it is believed that the Mediterranean island Stroggli was wiped out by a volcanic eruption around 1500 BC. Tsunami devoured the entire Minoan civilization, but no one knows even the approximate number of victims.

However, due to 10 known most devastating disasters, mainly earthquakes and floods, killing about 10 million people. This article will feature 10 of the most deadly natural disasters in order of increasing number of victims.

10. Earthquake in Aleppo

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Sandstorm in China


Yinchuan, July 7 / Xinhua / — On Wednesday, the city of Yinchuan, the capital of Ningxia Hui Autonomous Region / Northwest China /, struck first from the beginning of this summer sand-dust storm, which has significantly reduced visibility on the streets and complicated situation in roads.


Source: CNTV

China has developed a system for monitoring the Earth's crust

In March 2012, China had completed a system of monitoring the movement of the earth's crust, which aims — to predict earthquakes.

Based on the satellite navigation system is a network of 260 permanent and 2,000 temporary observation stations, including data processing equipment. According to China's earthquake administration, to other purposes for which the monitoring system also provides weather prediction and research.

Experts involved in the project, the consensus is that the results concerning the sources of geoscience, comprehensive, accurate and diverse, and the data will be publicly available to other countries. Work on the project began in December

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Tropical storm Nock-Ten in China



BEIJING, July 30. / Itar-Tass Evkin /. More than 189 thousand inhabitants South China island province of Hainan evacuated because of a powerful tropical storm "Nock-Ten", which was held over it tonight.

Reported by the Xinhua news agency, referring to the State headquarters of China flood and drought.

"Nock-Ten" hit this resort island on Friday night and caused a storm surge in the north-east coast and the west coast of Hainan neighboring Guangdong province.

On the eve of the disaster in the island's two airports were canceled 176 flights in the harbor of urgency returned about

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