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At 5:30 a.m. mountain war time on July 16, 1945, the world’s first nuclear weapon detonated over a flat, arid stretch of New Mexico desert. The Trinity test, as it was code-named, confirmed that an ...

In 1977, two probes launched less than a month apart on a mission to the great beyond. The twin Voyager spacecraft were to travel where no other mission had gone before, exploring what lies outside ...

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