Just Months After Its Discovery, the X-Ray Was in Use in War

On this day in 1895, scientist Wilhelm Conrad Rӧntgen published a paper called ‘On a New Kind of Rays.’ It was the first scientific paper to describe x-rays. Only six days earlier, he took the x-ray that was published with the paper: his wife’s hand, her wedding ring visible on the fourth finger.
 Although we don’t think about it much now, the x-ray gave people an entirely new ability: to see inside a living person without cutting them open first.
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