Cheap X-Ray Film

DHIT Weekly Fact:
"Since Röntgen's discovery that X-rays can identify bone structures, X-rays have been use for medical imaging. The first medical use was less than a month after his paper on the subject. In 2010, 5 billion medical imaging studies were done worldwide. Radiation exposure from medical imaging in 2006 made up about 50% of total ionizing radiation exposure in the United States."

DHIT Weekly Fact:
"German physicist Wilhelm Röntgen is usually credited as the discoverer of X-rays because he was the first to systematically study them, though he is not the first to have observed their effects. He is also the one who gave them the name "X-rays", though many referred to these as "Röntgen rays" (and the associated X-ray radiograms as, "Röntgenograms") for several decades after their discovery and to this day in some languages, including Röntgen's native German, though "X-ray" overtook popular usage in English by 1980."

DHiT Fact For Today: "X-ray line spectra were used by H. G. J. Moseley in his important work on atomic numbers (1913) and also provided further confirmation of the quantum theory of atomic structure."

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