Tag: News – United States – Chinese photonic quantum computer demonstrates quantum supremacy
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Colossal Stellar Explosion Near Earth Revealed by Layers of Manganese Crust
Discovery of iron-60 and manganese-53 substantiates supernova 2.5 million years ago. When the brightness of the star Betelgeuse dropped dramatically a few months ago, some observers suspected an impending supernova – a stellar explosion that could also cause damage on Earth. While Betelgeuse has
