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MessagePosté le: Mer 28 Mar - 03:19 (2018)    Sujet du message: Scarpe Uomo Nike Air Force 1 07 Low Oro Bianche Saldi Répondre en citant

BEIJING, Aug. 14 (Xinhua) - The imminent launch of the world's first quantum communication satellite is widely believed to herald a breakthrough in China's development of quantum technology.

Mysterious and confusing, the study of minute particles smaller than atoms has been applied in fields as diverse as computer processing, lasers and nuclear technology.

How will quantum communication change our lives - especially in the age of cyber attacks, wiretapping and information leakage?


Based on the quantum phenomenon that a tiny particle acts as if it's simultaneously in two locations, quantum computing could dwarf the processing power of today's supercomputers.

In normal silicon computer chips, data is rendered in one of two states: 0 or 1. However, in quantum computers, data could exist in both states simultaneously, holding exponentially more information.

One analogy to explain the concept of quantum computing is that it is like being able to read all the books in a library at the same time, whereas conventional computing is like having to read them one after another.

Scientists say that a problem that takes Tianhe-2, one of the fastest super computers in China, 100 years to solve might take a quantum computer just one hundredth of a second.

Many countries have invested heavily in the research and development of such computers.

In July 2015, a quantum-computing lab jointly established by Chinese Academy of Science and Chinese Internet giant Alibaba opened in Shanghai. The lab is expected to produce a general-purpose quantum computer prototype with 50 to 100 quantum bits by 2030.


Such powerful computing ability is also viewed as a threat in that it could make everything on a conventional computer hackable.

However, like a coin with two sides, quantum mechanics also serves as protector of information. Quantum key technology boasts ultra-high security as a photon can be neither separated nor duplicated, so it is impossible to wiretap or intercept the information transmitting through it.

Moreover, it has the ability to inform the two communicating users of the presence of any third party trying to eavesdrop. At the same time, the information being intercepted would "collapse" or self-destruct.

China will launch the world's first quantum communication satellite in a matter of days. If the satellite works well, it will pave the way to a hack-proof communication system.

Meanwhile, China will complete and put into operation the world's first secure quantum communication backbone network, the Beijing-Shanghai backbone network, later this year, according to Pan Jianwei, academician of Chinese Academy of Science and chief scientist of quantum communication satellite project.

The 2,000-kilometer backbone network will be used in the fields of finance, electronics and government affairs.

The satellite and the ground-based network will ensure the secure passage of information, Pan said.

Pan reckoned that quantum communication would enter everyday life in about 10 years, securing online banking and payments.

NAGOYA Nike Air Max 97 Vypredaj , Japan, Sept. 6 (Xinhua) -- China overpowered host Japan 3-1 and won its fourth women's volleyball World Cup title on Sunday.

The Chinese team led by guru coach Jenny Lang Ping crushed a tenacious Japanese side 25-17 Nike Air Max 1 Vypredaj , 22-25, 25-21 Nike Air Max Thea Vypredaj , 25-22 to claim its first World Cup crown since 2003 and its first major title since 2004 when Lang's team won the Olympic title in Athens.

As a player, "Iron Hammer" Lang Ping led the Chinese to the 1981 and 1985 World Cup titles.

TIRANA Nike Air Max Tavas Vypredaj , June 19 (Xinhua) -- In the framework of the project of chess lessons in Albanian schools, Albanian Deputy Minister of Education Rauf Dimraj Nike Air Max 95 Vypredaj , Deputy Minister of Education of Georgia as well as President of European Chess Federation Zurab Azmaiparashvili signed the agreement of cooperation on Wednesday.

The project aims to provide to students the opportunity to receive lectures of chess through different activities in the technology of information labors by organizing different competitions.

The implementation of the project will start in ten Albanian schools which will be implemented even in the framework of turning schools into community centers. Chess lectures will identify the most talented students who will be trained to exercise the sport of chess, according to Albanian Daily News.

"The implementation of chess lectures in Albanian schools is a new initiative that will improve the learning process in all aspects of life. Ministry of Education has given so much importance to this project Nike Air Max 90 Ultra SE Vypredaj ," Dimraj said.

Zurab Azmaiparashvili evaluated the agreement and said that the project is supported by the recommendations of European Commission in order to promote chess lessons in schools.

"There are more than ten EU countries that have implemented this project. I am very pleasant that Albania has understood how important it is chess for the development of children," Azmaiparashvili said.

The search for missing Malaysia Airlines Flight MH370 is set to be the most expensive in aviation history Nike Air Max 90 Hyperfuse Vypredaj , analysts say, as efforts to find the aircraft deep in the Indian Ocean show no signs of slowing.

The Boeing 777 vanished on March 8 with 239 people on board Nike Air Max 90 Ultra Moire Vypredaj , after veering dramatically off course en route from Kuala Lumpur to Beijing and is believed to have gone down in the sea off Australia.
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Australia, which is leading the search in a remote patch of water described as "unknown to man" Nike Air Max 90 Ultra Essential Vypredaj , has not put a figure on spending, but Malaysia has warned that costs will be "huge".

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