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Bruce Dorminey

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    This Is How to Check Whether Spacetime Is Foamy

    In 1944, John Wheeler received a haunting postcard. It was from his younger brother, Joe, who had written only two words: “Hurry up.” Wheeler was involved with the United States’ atomic weapons effort, and Joe wanted him to finish the bomb so he could come home from fighting in Italy. But by the time Hiroshima […]