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    • The mysteries behind the gegenschein

      The mysteries behind the gegenschein

      Astronomy Magazine· 23 hours ago

      In April 1961, Galaxy magazine contained an article entitled “The Puzzle Called Gegenschein,” by German-American science writer Willy Ley. Referring to...

    • How the world’s tech crashed all at once

      How the world’s tech crashed all at once

      CNN Business via Yahoo Finance Canada· 1 day ago

      When computers and tech systems around the world went down Friday, snarling airports, closing Social Security offices and limiting jail operations, many...