Alien civilization could use a black hole to generate power

Artist’s impression of an internal accretion flow and jet from a supermassive black hole when actively feeding, for example, on a recently ripped star. Image: ESO / L. Calçada A 50-year theory that started as speculation about how an alien civilization could use a dungeon Generating power has been experimentally …

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Amazon workers in Germany to attack with COVID-19 infections

FRANKFURT – Workers at six Amazon sites in Germany will go on strike on Monday in protest of safety after some staff at logistics centers tested positive for coronavirus, the Verdi union said. Verdi said Sunday that the strike would last at least 48 hours, under the slogan “Good and …

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