X-Ray Day
X-Ray Day is held on November 8. This event in the first decade of the month November is annual. 
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X-rays were discovered by accident in 1895 by Wilhelm Conrad Röentgen, a German professor. Röentgen was awarded the very first Nobel Prize in Physics in 1901. The “X” in X-ray stands for the unknown, just as x stands for an unknown quantity in mathematics.
X-Rays Were Used Immediately When Discovered. William Roentgen Did Not Patent the X-Rays. X-Rays Revolutionized the Treatment of Tuberculosis and Destroy Cancer Cells. X-Rays Helped Discover the Structure of DNA.
X-ray imaging creates pictures of the inside of your body. The images show the parts of your body in different shades of black and white. This is because different tissues absorb different amounts of radiation. Calcium in bones absorbs x-rays the most, so bones look white.
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