beijingwalker
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China Quantum Communiations Technology: Cryptography, Radar, Satellite, Teleportation, Network
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ChineseTiger1986
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TaiShang
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China Ready to Launch World's First Quantum Satellite
2016-05-28
Pan Jianwei, an academician at the Chinese Academy of Sciences and chief scientist of the quantum satellite project, shows how to make quantum encoded calls on May 25, 2016. [Photo: Xinhua]
China is ready to launch the world's first quantum communications satellite this July, which is said to be the most secure way of communication.
The mission will be launched on the Long March 2D rocket from the Jiuquan Satellite Launch Center in the Gobi Desert.
Work began on the satellite in 2011 and assembly was completed early this year.
Scientists are conducting tests before the launch.
Zhu Zhencai, chief designer of the quantum satellite explained: "the most distinctive feature (of this satellite) is that it has to be aligned with two optical ground stations in a considerably wide range of plus-minus 90 degrees to 75 degrees. The other feature is that the optical axes of the satellite and the ground telescope have to be aligned strictly, almost like needle-to-head, or 3.5 micro-radians."
Pan Jianwei, an academician at the Chinese Academy of Sciences (CAS) and chief scientist of the quantum satellite, listed the three main missions of this satellite, which are quantum encoded communications, quantum entanglement and quantum teleportation.
Among them, quantum encoded communications, hightlight of this cutting-edge technology, can be absolutely secure, which is determined by its nature: quantum information can be neither sensed (uncertainty principle) nor copied (the no-cloning theorem).
Even the most powerful computer cannot crack the quantum information, said Pan.
China is planning to launch more quantum satellites in the future, aiming for the first international macro-zonal quantum encoded information network by 2030.
"The three missions (of the quantum satellite) are first-time attempts for China, the world, and the entire human race. Therefore, it draws global expectation," said Pan.
2016-05-28
Pan Jianwei, an academician at the Chinese Academy of Sciences and chief scientist of the quantum satellite project, shows how to make quantum encoded calls on May 25, 2016. [Photo: Xinhua]
China is ready to launch the world's first quantum communications satellite this July, which is said to be the most secure way of communication.
The mission will be launched on the Long March 2D rocket from the Jiuquan Satellite Launch Center in the Gobi Desert.
Work began on the satellite in 2011 and assembly was completed early this year.
Scientists are conducting tests before the launch.
Zhu Zhencai, chief designer of the quantum satellite explained: "the most distinctive feature (of this satellite) is that it has to be aligned with two optical ground stations in a considerably wide range of plus-minus 90 degrees to 75 degrees. The other feature is that the optical axes of the satellite and the ground telescope have to be aligned strictly, almost like needle-to-head, or 3.5 micro-radians."
Pan Jianwei, an academician at the Chinese Academy of Sciences (CAS) and chief scientist of the quantum satellite, listed the three main missions of this satellite, which are quantum encoded communications, quantum entanglement and quantum teleportation.
Among them, quantum encoded communications, hightlight of this cutting-edge technology, can be absolutely secure, which is determined by its nature: quantum information can be neither sensed (uncertainty principle) nor copied (the no-cloning theorem).
Even the most powerful computer cannot crack the quantum information, said Pan.
China is planning to launch more quantum satellites in the future, aiming for the first international macro-zonal quantum encoded information network by 2030.
"The three missions (of the quantum satellite) are first-time attempts for China, the world, and the entire human race. Therefore, it draws global expectation," said Pan.
US state department spokesperson: The United States condemn China for hacking us and making thousands Snowden lose job.
Photo taken on May 25, 2016 shows the quantum simulation laboratory under the Chinese Academy of Sciences, in Shanghai, east China. China plans to launch the world's first quantum satellite that can achieve secure communication in July. The satellite is dedicated to quantum science experiments. (Xinhua/Cai Yang)
Photo taken on May 25, 2016 shows the quantum satellite assembly workshop at Shanghai Engineering Center for Microsatellites, under the Chinese Academy of Sciences, in Shanghai, east China. China plans to launch the world's first quantum satellite that can achieve secure communication in July. The satellite is dedicated to quantum science experiments. (Xinhua/Cai Yang)
General engineer Zhu Zhencai introduces the "quantum entanglement source" on the quantum satellite at Shanghai Engineering Center for Microsatellites, under the Chinese Academy of Sciences, in Shanghai, east China, May 25, 2016. China plans to launch the world's first quantum satellite that can achieve secure communication in July. The satellite is dedicated to quantum science experiments. (Xinhua/Cai Yang)
Deputy chief engineer Zhou Yilin (3rd L) discusses with other technicians beside the quantum satellite at Shanghai Engineering Center for Microsatellites, under the Chinese Academy of Sciences, in Shanghai, east China, May 25, 2016. China plans to launch the world's first quantum satellite that can achieve secure communication in July. The satellite is dedicated to quantum science experiments. (Xinhua/Cai Yang)
General engineer Zhu Zhencai (4th R), deputy chief engineer Zhou Yilin (4th L) and other staff members pose for a group photo with the quantum satellite at Shanghai Engineering Center for Microsatellites, under the Chinese Academy of Sciences, in Shanghai, east China, May 25, 2016. China plans to launch the world's first quantum satellite that can achieve secure communication in July. The satellite is dedicated to quantum science experiments. (Xinhua/Cai Yang)
Pan Jianwei, a Chinese quantum scientist and professor at the University of Science and Technology of China, demonstrates quantum communication, in Shanghai, east China, May 25, 2016. China plans to launch the world's first quantum satellite that can achieve secure communication in July. The satellite is dedicated to quantum science experiments.(Xinhua/Cai Yang)
Photo taken on May 25, 2016 shows the quantum simulation laboratory under the Chinese Academy of Sciences, in Shanghai, east China. China plans to launch the world's first quantum satellite that can achieve secure communication in July. The satellite is dedicated to quantum science experiments. (Xinhua/Cai Yang)
TaiShang
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LOL.
They can move those redundant for domestic spying because they will need more and more in the future.
China plans to set up global quantum communications network
(People's Daily Online) 13:37, June 07, 2016
Photo taken on May 25, 2016 shows the quantum simulation laboratory under the Chinese Academy of Sciences, in Shanghai, east China. (Xinhua Photo)
China leads the world in quantum communications
China has already begun to establish quantum communications networks in several cities, and is currently building a 1,000-kilometer quantum communications line connecting Beijing and Shanghai. A quantum communications satellite will launch in July.
Based on the principles of quantum physics, quantum communication provides a new way to process information, including encoding, storage, transmission and logic operations, as well as the precise manipulation of photons, atoms and other microscopic particles. All this ensures the security of communications and enhances computing speed.
Information security is a necessity in modern society, and quantum communication features, at least theoretically, perfect, unconditional security. It has great significance when it comes to military, financial and personal privacy.
"Traditionally, secure encryption and transmission of information is dependent on complex algorithms," said Pan Jianwei, a Chinese quantum scientist and professor at the University of Science and Technology of China. "But with the increase in computing power, the complex algorithms are bound to be cracked."
Quantum communication boasts ultra-high security, as a quantum photon can neither be separated nor duplicated. It is therefore impossible to wiretap, intercept or crack information transmitted through quantum communication, said Pan.
Pan led his team to achieve secure quantum distribution using an optical fiber over a distance of 100 kilometers in 2007; in 2008, his team built the world's first all-access quantum communications network, and in 2012 they created the first large-scale quantum communications network.
Through additional research, the team hopes to transition from local quantum communications networks to building a global network, which would ensure the absolute security of information transmission.
China will launch its first experimental quantum communications satellite in July. It will be the first of its kind in the world.
Pan also predicted that within a decade or so, it will be possible to create a special quantum computer or quantum simulator, in which the computing power is 10 billion times faster than that of a conventional computer.
http://en.people.cn/n3/2016/0607/c90000-9069224.html
(People's Daily Online) 13:37, June 07, 2016
Photo taken on May 25, 2016 shows the quantum simulation laboratory under the Chinese Academy of Sciences, in Shanghai, east China. (Xinhua Photo)
China leads the world in quantum communications
China has already begun to establish quantum communications networks in several cities, and is currently building a 1,000-kilometer quantum communications line connecting Beijing and Shanghai. A quantum communications satellite will launch in July.
Based on the principles of quantum physics, quantum communication provides a new way to process information, including encoding, storage, transmission and logic operations, as well as the precise manipulation of photons, atoms and other microscopic particles. All this ensures the security of communications and enhances computing speed.
Information security is a necessity in modern society, and quantum communication features, at least theoretically, perfect, unconditional security. It has great significance when it comes to military, financial and personal privacy.
"Traditionally, secure encryption and transmission of information is dependent on complex algorithms," said Pan Jianwei, a Chinese quantum scientist and professor at the University of Science and Technology of China. "But with the increase in computing power, the complex algorithms are bound to be cracked."
Quantum communication boasts ultra-high security, as a quantum photon can neither be separated nor duplicated. It is therefore impossible to wiretap, intercept or crack information transmitted through quantum communication, said Pan.
Pan led his team to achieve secure quantum distribution using an optical fiber over a distance of 100 kilometers in 2007; in 2008, his team built the world's first all-access quantum communications network, and in 2012 they created the first large-scale quantum communications network.
Through additional research, the team hopes to transition from local quantum communications networks to building a global network, which would ensure the absolute security of information transmission.
China will launch its first experimental quantum communications satellite in July. It will be the first of its kind in the world.
Pan also predicted that within a decade or so, it will be possible to create a special quantum computer or quantum simulator, in which the computing power is 10 billion times faster than that of a conventional computer.
http://en.people.cn/n3/2016/0607/c90000-9069224.html
TaiShang
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Who is the concerned party?
Certain neo-fascist Western regimes?
Last time I checked, majority of the world did not care much about China's secure communication capabilities, if not supportive of it.
Last edited:
cirr
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The quantum satellite is obviously the first step.
What goes inside the upcoming TianGong space station is of real interest and great significance in so far as the applications of quantum and laser technologies are concerned.
So watch out.
What goes inside the upcoming TianGong space station is of real interest and great significance in so far as the applications of quantum and laser technologies are concerned.
So watch out.
jhungary
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.................
Nothing is un-hackable......Whoever wrote this piece is obviously either do not know anything on Computer/Network Security or simply writing that in a sensationalize point of view.
Quantum Communication only secure end-to-end protocol, which mean it only make it "HARDER" for hacker to hack into the data by conventional means (by spoofing or by layering) by introducing an active check bits (by the means of protons) which indicate the data being hack.
Problem is, it does not secure the data package any better than normal end-to-end protocol. Which means, as the type (Lock and Key) and mode of transfer (Over IP) is the same. And as long as the hacker also have access to quantum computer, it can decode the information......
Think of it like this, while it's impossible to break into the keys without disturbing the sequence. However, it's still possible to spoof the data into accepting the hacker ends is the user end, the only thing the hacker needs is the same equipment that receive the quantum message. I.E. Another Quantum Computer.
Nothing is un-hackable......Whoever wrote this piece is obviously either do not know anything on Computer/Network Security or simply writing that in a sensationalize point of view.
Quantum Communication only secure end-to-end protocol, which mean it only make it "HARDER" for hacker to hack into the data by conventional means (by spoofing or by layering) by introducing an active check bits (by the means of protons) which indicate the data being hack.
Problem is, it does not secure the data package any better than normal end-to-end protocol. Which means, as the type (Lock and Key) and mode of transfer (Over IP) is the same. And as long as the hacker also have access to quantum computer, it can decode the information......
Think of it like this, while it's impossible to break into the keys without disturbing the sequence. However, it's still possible to spoof the data into accepting the hacker ends is the user end, the only thing the hacker needs is the same equipment that receive the quantum message. I.E. Another Quantum Computer.
Last edited:
onebyone
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Chinese satellite is one giant step for the quantum internet
Craft due to launch in August is first in a wave of planned quantum space experiments.
27 July 2016
Article tools
Cai Yang/Xinhua via ZUMA Wire
China’s 600-kilogram quantum satellite contains a crystal that produces entangled photons.
China is poised to launch the world’s first satellite designed to do quantum experiments. A fleet of quantum-enabled craft is likely to follow.
First up could be more Chinese satellites, which will together create a super-secure communications network, potentially linking people anywhere in the world. But groups from Canada, Japan, Italy and Singapore also have plans for quantum space experiments.
“Definitely, I think there will be a race,” says Chaoyang Lu, a physicist at the -University of Science and Technology of China in Hefei, who works with the team behind the Chinese satellite. The 600-kilogram craft, the latest in a string of Chinese space-science satellites, will launch from Jiuquan Satellite Launch Center in August. The Chinese Academy of Sciences and the Austrian Academy of Sciences are collaborators on the US$100-million mission.
Related stories
Quantum communications are secure because any tinkering with them is detectable. Two parties can communicate secretly — by sharing a encryption key encoded in the polarization of a string of photons, say — safe in the knowledge that any eavesdropping would leave its mark.
So far, scientists have managed to demonstrate quantum communication up to about 300 kilometres. Photons travelling through optical fibres and the air get scattered or absorbed, and amplifying a signal while preserving a photon’s fragile quantum state is extremely difficult. The Chinese researchers hope that transmitting photons through space, where they travel more smoothly, will allow them to communicate over greater distances.
At the heart of their satellite is a crystal that produces pairs of entangled photons, whose properties remain entwined however far apart they are separated. The craft’s first task will be to fire the partners in these pairs to ground -stations in Beijing and Vienna, and use them to generate a secret key.
During the two-year mission, the team also plans to perform a statistical measurement known as a Bell test to prove that entanglement can exist between particles separated by a distance of 1,200 kilometres. Although quantum theory predicts that entanglement persists at any distance, a Bell test would prove it.
The team will also attempt to ‘teleport’ quantum states, using an entangled pair of photons alongside information transmitted by more conventional means to reconstruct the quantum state of a photon in a new location.
“If the first satellite goes well, China will definitely launch more,” says Lu. About 20 satellites would be required to enable secure communications throughout the world, he adds.
The teams from outside China are taking a different tack. A collaboration between the National University of Singapore (NUS) and the University of Strathclyde, UK, is using cheap 5-kilogram satellites known as cubesats to do quantum experiments. Last year, the team launched a cubesat that created and measured pairs of ‘correlated’ photons in orbit; next year, it hopes to launch a device that produces fully entangled pairs.
Costing just $100,000 each, cubesats make space-based quantum communications accessible, says NUS physicist Alexander Ling, who is leading the project.
A Canadian team proposes to generate pairs of entangled photons on the ground, and then fire some of them to a microsatellite that weighs less than 30 kilograms. This would be cheaper than generating the photons in space, says Brendon Higgins, a physicist at the University of Waterloo, who is part of the Canadian Quantum Encryption and Science Satellite (QEYSSat) team. But delivering the photons to the moving satellite would be a challenge. The team plans to test the system using a photon receiver on an aeroplane first.
An even simpler approach to quantum space science, pioneered by a team at the University of Padua in Italy led by Paolo Villoresi, involves adding reflectors and other simple equipment to regular satellites. Last year, the team showed that photons bounced back to Earth off an existing satellite maintained their quantum states and were received with low enough error rates for quantum cryptography (G. Vallone et al. Phys. Rev. Lett. 115, 040502; 2015). In principle, the researchers say, the method could be used to generate secret keys, albeit at a slower rate than in more-complex set-ups.
Researchers have also proposed a quantum experiment aboard the International Space Station (ISS) that would simultaneously -entangle the states of two separate properties of a photon — a technique known as hyperentanglement — to make teleportation more reliable and efficient.
As well as making communications much more secure, these satellite systems would mark a major step towards a ‘quantum internet’ made up of quantum computers around the world, or a quantum computing cloud, says Paul Kwiat, a physicist at the University of Illinois at Urbana–Champaign who is working with NASA on the ISS project.
The quantum internet is likely to involve a combination of satellite- and ground-based links, says Anton Zeilinger, a physicist at the Austrian Academy of Sciences in Vienna, who argued unsuccessfully for a European quantum satellite before joining forces with the Chinese team. And some challenges remain. Physicists will, for instance, need to find ways for satellites to communicate with each other directly; to perfect the art of entangling photons that come from different sources; and to boost the rate of data transmission using single photons from megabits to gigabits per second.
If the Chinese team is successful, other groups should find it easier to get funding for quantum satellites, says Zeilinger. The United States has a relatively low profile when it comes to this particular space race, but Zeilinger suggests that it could be doing more work on the topic that is classified.
Eventually, quantum teleportation in space could even allow researchers to combine photons from satellites to make a distributed telescope with an effective aperture the size of Earth — and enormous resolution. “You could not just see planets,” says Kwiat, “but in principle read licence plates on Jupiter’s moons.”
http://www.nature.com/news/chinese-satellite-is-one-giant-step-for-the-quantum-internet-1.20329
Craft due to launch in August is first in a wave of planned quantum space experiments.
27 July 2016
Article tools
Cai Yang/Xinhua via ZUMA Wire
China’s 600-kilogram quantum satellite contains a crystal that produces entangled photons.
China is poised to launch the world’s first satellite designed to do quantum experiments. A fleet of quantum-enabled craft is likely to follow.
First up could be more Chinese satellites, which will together create a super-secure communications network, potentially linking people anywhere in the world. But groups from Canada, Japan, Italy and Singapore also have plans for quantum space experiments.
“Definitely, I think there will be a race,” says Chaoyang Lu, a physicist at the -University of Science and Technology of China in Hefei, who works with the team behind the Chinese satellite. The 600-kilogram craft, the latest in a string of Chinese space-science satellites, will launch from Jiuquan Satellite Launch Center in August. The Chinese Academy of Sciences and the Austrian Academy of Sciences are collaborators on the US$100-million mission.
Related stories
- China’s quantum space pioneer: We need to explore the unknown
- China’s dark-matter satellite launches era of space science
- Quantum ‘spookiness’ passes toughest test yet
Quantum communications are secure because any tinkering with them is detectable. Two parties can communicate secretly — by sharing a encryption key encoded in the polarization of a string of photons, say — safe in the knowledge that any eavesdropping would leave its mark.
So far, scientists have managed to demonstrate quantum communication up to about 300 kilometres. Photons travelling through optical fibres and the air get scattered or absorbed, and amplifying a signal while preserving a photon’s fragile quantum state is extremely difficult. The Chinese researchers hope that transmitting photons through space, where they travel more smoothly, will allow them to communicate over greater distances.
At the heart of their satellite is a crystal that produces pairs of entangled photons, whose properties remain entwined however far apart they are separated. The craft’s first task will be to fire the partners in these pairs to ground -stations in Beijing and Vienna, and use them to generate a secret key.
During the two-year mission, the team also plans to perform a statistical measurement known as a Bell test to prove that entanglement can exist between particles separated by a distance of 1,200 kilometres. Although quantum theory predicts that entanglement persists at any distance, a Bell test would prove it.
The team will also attempt to ‘teleport’ quantum states, using an entangled pair of photons alongside information transmitted by more conventional means to reconstruct the quantum state of a photon in a new location.
“If the first satellite goes well, China will definitely launch more,” says Lu. About 20 satellites would be required to enable secure communications throughout the world, he adds.
The teams from outside China are taking a different tack. A collaboration between the National University of Singapore (NUS) and the University of Strathclyde, UK, is using cheap 5-kilogram satellites known as cubesats to do quantum experiments. Last year, the team launched a cubesat that created and measured pairs of ‘correlated’ photons in orbit; next year, it hopes to launch a device that produces fully entangled pairs.
Costing just $100,000 each, cubesats make space-based quantum communications accessible, says NUS physicist Alexander Ling, who is leading the project.
A Canadian team proposes to generate pairs of entangled photons on the ground, and then fire some of them to a microsatellite that weighs less than 30 kilograms. This would be cheaper than generating the photons in space, says Brendon Higgins, a physicist at the University of Waterloo, who is part of the Canadian Quantum Encryption and Science Satellite (QEYSSat) team. But delivering the photons to the moving satellite would be a challenge. The team plans to test the system using a photon receiver on an aeroplane first.
An even simpler approach to quantum space science, pioneered by a team at the University of Padua in Italy led by Paolo Villoresi, involves adding reflectors and other simple equipment to regular satellites. Last year, the team showed that photons bounced back to Earth off an existing satellite maintained their quantum states and were received with low enough error rates for quantum cryptography (G. Vallone et al. Phys. Rev. Lett. 115, 040502; 2015). In principle, the researchers say, the method could be used to generate secret keys, albeit at a slower rate than in more-complex set-ups.
Researchers have also proposed a quantum experiment aboard the International Space Station (ISS) that would simultaneously -entangle the states of two separate properties of a photon — a technique known as hyperentanglement — to make teleportation more reliable and efficient.
As well as making communications much more secure, these satellite systems would mark a major step towards a ‘quantum internet’ made up of quantum computers around the world, or a quantum computing cloud, says Paul Kwiat, a physicist at the University of Illinois at Urbana–Champaign who is working with NASA on the ISS project.
The quantum internet is likely to involve a combination of satellite- and ground-based links, says Anton Zeilinger, a physicist at the Austrian Academy of Sciences in Vienna, who argued unsuccessfully for a European quantum satellite before joining forces with the Chinese team. And some challenges remain. Physicists will, for instance, need to find ways for satellites to communicate with each other directly; to perfect the art of entangling photons that come from different sources; and to boost the rate of data transmission using single photons from megabits to gigabits per second.
If the Chinese team is successful, other groups should find it easier to get funding for quantum satellites, says Zeilinger. The United States has a relatively low profile when it comes to this particular space race, but Zeilinger suggests that it could be doing more work on the topic that is classified.
Eventually, quantum teleportation in space could even allow researchers to combine photons from satellites to make a distributed telescope with an effective aperture the size of Earth — and enormous resolution. “You could not just see planets,” says Kwiat, “but in principle read licence plates on Jupiter’s moons.”
http://www.nature.com/news/chinese-satellite-is-one-giant-step-for-the-quantum-internet-1.20329
onebyone
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China is planning to bring quantum physics to space. Researchers from the Chinese Academy of Sciences and the Austrian Academy of Sciences are collaborating to build a satellite that will perform the first ever quantum experiments in orbit. The experiments could have applications in future telescopes and communication technology.
The Chinese satellite will be launched sometime in August, where it will test the limits of quantum communication. Onboard the satellite will be a special crystal that generates pairs of entangled photons, which will be fired at two laboratories in Beijing and Vienna. These photons will be used to test the range of quantum entanglement and the feasibility of quantum communications.
Advertisement - Continue Reading Below
Quantum communications rely on a particular property of subatomic particles, that observing them changes their state. Researchers have previously developed ways to use this property to encrypt data, because anyone eavesdropping on communications would leave a mark. The satellite team hopes to deploy this technology in space, where transmitting quantum data is easier.
China's quantum satellite as it prepares for a two-year mission. Credit: Cai Yang/Xinhua via ZUMA Wire
Most
The satellite will test another peculiar quantum phenomenon: entanglement. Quantum entanglement is where two particles seem to share the same state, and changing the state of one particle will change the state of the other, even when the two are incredibly far apart. Einstein famously called this "spooky action at a distance," and the Chinese satellite will test it over the greatest distance yet. By splitting up a pair of entangled photons and sending them to Vienna and Beijing, scientists hope to study entanglement effects over more than 700 miles.
This satellite will likely be the first of many quantum satellites that China and other countries will launch over the next few years. China is planning to launch several more satellites to form a quantum communications network that will allow secure communications with anyone in the world. Other collaborations, like one between the National University of Singapore and the University of Strathclyde, proposed launching multiple small cubesats to perform entanglement experiments. A Canadian team is working on how to entangle photons on the ground and send them to a satellite in orbit.
We live in a quantum world now, and space is just beginning to reflect that.
Source: Nature
http://www.popularmechanics.com/space/satellites/a22084/china-first-quantum-satellite/
The Chinese satellite will be launched sometime in August, where it will test the limits of quantum communication. Onboard the satellite will be a special crystal that generates pairs of entangled photons, which will be fired at two laboratories in Beijing and Vienna. These photons will be used to test the range of quantum entanglement and the feasibility of quantum communications.
Advertisement - Continue Reading Below
Quantum communications rely on a particular property of subatomic particles, that observing them changes their state. Researchers have previously developed ways to use this property to encrypt data, because anyone eavesdropping on communications would leave a mark. The satellite team hopes to deploy this technology in space, where transmitting quantum data is easier.
China's quantum satellite as it prepares for a two-year mission. Credit: Cai Yang/Xinhua via ZUMA Wire
Most
The satellite will test another peculiar quantum phenomenon: entanglement. Quantum entanglement is where two particles seem to share the same state, and changing the state of one particle will change the state of the other, even when the two are incredibly far apart. Einstein famously called this "spooky action at a distance," and the Chinese satellite will test it over the greatest distance yet. By splitting up a pair of entangled photons and sending them to Vienna and Beijing, scientists hope to study entanglement effects over more than 700 miles.
This satellite will likely be the first of many quantum satellites that China and other countries will launch over the next few years. China is planning to launch several more satellites to form a quantum communications network that will allow secure communications with anyone in the world. Other collaborations, like one between the National University of Singapore and the University of Strathclyde, proposed launching multiple small cubesats to perform entanglement experiments. A Canadian team is working on how to entangle photons on the ground and send them to a satellite in orbit.
We live in a quantum world now, and space is just beginning to reflect that.
Source: Nature
http://www.popularmechanics.com/space/satellites/a22084/china-first-quantum-satellite/
艹艹艹
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In 2016, China will have long March 7, March 5th two new generation launch vehicle will in the Wenchang satellite launch center in the first flight, which Long March 5 is in our country is developing the maximum thrust of rocket, near earth orbit carrying capacity of 25 tons will make our existing rocket carrying capacity increased by 2.5 times, greatly enhance the ability of China's entry into the space. After the first flight of the long march five rocket, will rewrite the world's active service launch vehicle rankings.
In 2016, China will launch Tiangong II space laboratory and Shenzhou 11 manned spacecraft, there will be three Chinese astronauts again battle space.
艹艹艹
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2016-08-14 11:03:36 
In quantum physics, entangled particles remain connected so that actions performed by one affects the behaviour of the other, even if they are separated by huge distances.
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?
SUPER PROCESSING ABILITY
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.
HACK-PROOF COMMUNUCATION
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.
In quantum physics, entangled particles remain connected so that actions performed by one affects the behaviour of the other, even if they are separated by huge distances.
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?
SUPER PROCESSING ABILITY
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.
HACK-PROOF COMMUNUCATION
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.
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