A network that connects quantum devices and a central server that spans Hefei, China can allow multiple secure quantum chats at once
The most advanced quantum communication network yet sprawls through the Chinese city of Hefei. Comprising three quantum devices and a central server, it is as close to an unhackable quantum internet as we’ve gotten yet.
at the University of Science and Technology of China and his colleagues, the network shares some features with conventional communication networks, such as transmitting information through optical fibres. But the light travelling in the quantum network comes in chunks whose quantum …
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