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Nanotechnology Now - Press Release: Scientists boost quantum signals while reducing noise: "Squeezing" noise over a broad frequency bandwidth in a quantum system could lead to faster and more accurate quantum measurements nanotech-now.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from nanotech-now.com Daily Mail and Mail on Sunday newspapers.
Researchers developed a special type of amplifier that uses a technique known as squeezing to amplify quantum signals by a factor of 100 while reducing the noise that is inherent in quantum systems by an order of magnitude. Their device is the first to demonstrate squeezing over a broad frequency bandwidth of 1.75 gigahertz, nearly two orders of magnitude higher than other architectures. ....
One of the greatest strengths of artificial intelligence (AI) – its ability to learn and adapt over time – could also be its Achilles’ heel. When a product or service can learn and evolve through experience and interactions with human beings, it can be hard to pinpoint who is responsible when something goes wrong. How to allow for this dynamism and, at the same time, build trust in artificial intelligence was one of the key topics of debate in a Science|Business webinar entitled: AI: Who is Liable? - the latest in a series produced by Science|Business Data Rules group. “You see association effects where man and machine work together in a specific context, but it is unclear what the machine has learned from man, and what man has learned from the machine,’ noted Evert Stamhuis, senior fellow at the Jean Monnet Centre of Excellence Digital Governance, Erasmus University Rotterdam. ....
Two deaths reopen debate on exploitation in Chinese technology 3 minutes read By Victor Escribano Shanghai, China, Jan 27 (efe-epa).- The death of two employees of the e-commerce giant Pinduoduo, allegedly related to stress and overwork, has reopened the exploitation debate in China in a sector whose leaders proudly defend endless working hours. Social networks and even the official press have dealt with the controversy profusely, which began Dec. 29 with the sudden death of a 22-year-old Pinduoduo employee who collapsed when she was returning home with her co-workers. Shortly after, on Jan. 9, another company employee committed suicide after returning to his hometown just one day after requesting leave from his boss without giving specific reasons. ....