Quantum Experiments at Space Scale | Wikipedia audio article
Channel: wikipedia tts
Date: 2018-12-26

This is an audio version of the Wikipedia Article:
https://en.wikipedia.org/wiki/Quantum_Experiments_at_Space_Scale


00:02:07 1 Mission
00:03:27 1.1 Launch
00:04:04 1.2 Multi-payload mission
00:05:17 2 Secure key distribution
00:07:20 3 Analysis
00:08:38 4 Similar projects
00:09:44 5 See also



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SUMMARY
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Quantum Experiments at Space Scale (QUESS; Chinese: 量子科学实验卫星; pinyin: Liàngzǐ kēxué shíyàn wèixīng; literally: "Quantum Science Experiment Satellite"), is an international research project in the field of quantum physics.
Tiangong-2 is China’s second Space Laboratory module which was launched on 15 Sep 2016. Tiangong-2 carries a total of 14 mission and experiment packages, including Space-Earth quantum key distribution (Chinese: 量子密钥分发) and laser communications experiment to facilitate space-to-ground quantum communication.A satellite, nicknamed Micius or Mozi (Chinese: 墨子) after the ancient Chinese philosopher and scientist, is operated by the Chinese Academy of Sciences, as well as ground stations in China. The University of Vienna and the Austrian Academy of Sciences are running the satellite’s European receiving stations.QUESS is a proof-of-concept mission designed to facilitate quantum optics experiments over long distances to allow the development of quantum encryption and quantum teleportation technology. Quantum encryption uses the principle of entanglement to facilitate communication that is totally safe against eavesdropping, let alone decryption, by a third party. By producing pairs of entangled photons, QUESS will allow ground stations separated by many thousands of kilometres to establish secure quantum channels. QUESS itself has limited communication capabilities: it needs line-of-sight, and can only operate when not in sunlight.QUESS has been successful in its objectives. Further Micius satellites will follow, allowing a European–Asian quantum-encrypted network by 2020, and a global network by 2030.The mission cost was around US$100 million in total.