Authors: George Rajna
Spanish researchers have developed a quantum cryptography network integrated in a commercial optical network through technologies based on software defined networking (SDN), allowing for the implementation of quantum and classical network services in a flexible, dynamic and scalable manner. [37] Physicists at the University of Sydney have found a 'quantum hack' that should allow for enormous efficiency gains in quantum computing technologies. [36] An international team of scientists has proven, for the first time, the security of so-called device-independent quantum cryptography in a regime that is attainable with state-of-the-art quantum technology, thus paving the way to practical realization of such schemes in which users don't have to worry whether their devices can be trusted or not. [35] Experiments based on atoms in a shaken artificial crystal made of light offer novel insight into the physics of quantum many-body systems, which might help in the development of future data-storage technologies. [34] A new scheme from researchers in Singapore and Japan could help customers establish trust in buying time on such machines—and protect companies from dishonest customers. [33] A joint China-Austria team has performed quantum key distribution between the quantum-science satellite Micius and multiple ground stations located in Xinglong (near Beijing), Nanshan (near Urumqi), and Graz (near Vienna). [32] In the race to build a computer that mimics the massive computational power of the human brain, researchers are increasingly turning to memristors, which can vary their electrical resistance based on the memory of past activity. [31] Engineers worldwide have been developing alternative ways to provide greater memory storage capacity on even smaller computer chips. Previous research into two-dimensional atomic sheets for memory storage has failed to uncover their potential— until now. [30]
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