This article is republished from The Conversation under a Creative Commons license. But the satellite is a strategic resource that other countries are likely to want to replicate, just as Europe, Russia and China now have their own versions of the US-controlled GPS. If you use one of the entangled particles to create a key for encoding messages, only the person with the other particle can decode them. Micius has previously produced entangled photons and delivered them to two ground stations (observatories) 1,200km apart via special telescopes. Scientists have now reported using this technology to reach a major milestone: Long-range secure communication you could trust even without trusting the satellite it runs through. What you need to know about the video home-security device, Covid-positive Rajasthan health minister goes on hospital jaywalk, Vishal and Arya's upcoming action thriller with Anand Shankar is titled Enemy, Mourinho praises Tottenham 'kids' as Scarlett becomes club's youngest ever player, ECLGS 2.0: Principal to be paid in 48 installments post 1-yr moratorium, 5 Common Pushup Mistakes to Avoid in Your Workouts, Want work from home permanently? China is Researching Quantum Radars to Track and Kill Submarines. Quantum encryption relies on entangled particles of light. Named after the ancient Chinese philosopher also known as Mozi, Micius is the world’s first quantum communications satellite and has, for several years, been at the forefront of quantum encryption. Pan Jian-Wei credited Edward Snowden’s 2013 disclosures of internet surveillance by western governments with prompting China to boost quantum cryptography research in order to create more secure means of communication. If you manipulate one of the photons, the other will be similarly affected at the very same moment. Duncan Earl, a former scientist at Oak Ridge National Laboratory and president and chief technology officer of Qubitekk, a company in Vista, Calif., that is exploring quantum encryption, said that the Chinese advance appeared to be significant. A quantum communication ground station in Xinglong, in northern China, in 2016, communicating with the quantum satellite Micius, the world’s first. Until now, this had never been done via satellite or at such great distances. We believe information is a powerful driver for the new tomorrow. 9 Oregon, Gold jewellery retail industry expects demand recovery in H2FY21: ICRA, GIJN launches comprehensive guide on ‘Investigating Health and Medicine’, THESE are the 5 most fearless zodiac signs who stand tall in the face of fear, BMW eDrive Zones help get the best from plug-in cars, How does a Ring doorbell work? “The lucky thing was that, in 2000, the economy of China started to grow, so the timing was suddenly right to do good science,” Dr. Pan said. Selected comments may also be used in the ‘Letters’ section of the Down To Earth print edition. This article is republished from The Conversation under a Creative Commons license. Like us on Facebook to see similar stories, Haryana sets up panel to frame law on love jihad, Mrunal Thakur to join Shahid Kapoor for final schedule of 'Jersey' in Chandigarh, Dinesh Chandimal, Isuru Udana star as Colombo Kings steal Super Over victory on opening night, LVB writes off bonds worth Rs 318 cr ahead of merger with DBS Bank, Why All Your Favorite Athletes Are Selling Supplements Now, Hijab-wearing model Halima Aden says she is quitting fashion shows after being forced to compromise her religious beliefs, Gul Panag doing push-ups in a sari is goals; watch video, Daily infections hold steady, active cases are on rise, Priyanka Chopra wishes Natasha Poonawalla on her birthday & shares a throwback PHOTO; Says 'Miss you lots', Oregon State's Jefferson Faces Challenge In No. Secure long-distance links such as this one will be the foundation of the quantum internet, the future global network with added security powered by laws of quantum mechanics, unmatched by classical cryptographic methods. Messages are sent by manipulating the properties. In the middle of the night, invisible to anyone but special telescopes in two Chinese observatories, satellite Micius sends particles of light to Earth to establish the world’s most secure communication link. Read the original article. In a similar way, the quantum race has political and military implications that are hard to ignore. If you manipulate one of the photons, the other will be similarly affected at the very same moment. The signal’s efficiency, they said, was “orders of magnitude higher than that of the bidirectional transmission of the two photons through telecommunications fibers,” the standard approach. Scientists have now reported using this technology to reach a major milestone: long-range secure communication you could trust even without trusting the satellite it runs through. Micius has previously produced entangled photons and delivered them to two ground stations (observatories) 1,200 kilometres apart via special telescopes. Traditional communications satellites used radio waves to send signals. The satellite provided entangled photons as a convenient resource for the quantum cryptography and the two ground stations then used them according to their agreed protocol. Please use a genuine email ID and provide your name. “It’s an important milestone,” Dr. Earl said in an interview. But the satellite is a strategic resource that other countries are likely to want to replicate, just as Europe, Russia and China now have their own versions of the US-controlled GPS. NASA has drawn up plans to rival the Chinese advance. None of the communication went through Micius. The satellite was nicknamed Micius after a Chinese philosopher of the fifth century B.C. This will mean a lot for our ability to bring you news, perspectives and analysis from the ground so that we can make change together. But both ground stations had to talk to and trust Micius as part of their communication systems and use it as a relay before establishing a link with each other. The new paper doesn’t specify how the messages were transmitted in this instance, but in theory it could be done by optical fibre, another communications satellite, radio, or any other method they agree upon. In August 2016, from the Gobi Desert, China launched the world’s first satellite for testing the transmission of quantum information on light particles.

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