In 1895, German physics professor Wilhelm Röntgen stumbled upon x-rays while experimenting with Lenard and Crookes tubes. Since Röntgen’s discovery that x-rays can identify bone structures, they have been used for medical imaging. The first use of x-rays under clinical conditions was by John Hall-Edwards in Birmingham, England in 1896, when he radiographed a needle stuck in the hand of an associate.
Up until 2010, 5 billion medical imaging studies were been conducted worldwide, from radiographs to CT to fluoroscopy to radiotheraphy.
Here are some little-known facts about x-rays.
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