The new light-based quantum computer Jiuzhang has achieved quantum supremacy

  The new light-based quantum computer Jiuzhang has achieved quantum supremacy   A second type of quantum computer has now performed a calculation impossible for a traditional computer. Source: www.sciencenews.org/article/new-light-based-quantum-computer-jiuzhang-supremacy

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‘WTF?’: newly discovered ghostly circles in the sky can’t be explained by current theories, and astronomers are excited

'WTF?': newly discovered ghostly circles in the sky can't be explained by current theories, and astronomers are excited In September 2019, my colleague Anna Kapinska gave a presentation showing interesting…

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