than the light that is visible to the eye.

X-rays were discovered in 1895 by Wilhelm Conrad Roentgen, a German physicist.

He discovered the X-ray while he was studying cathode rays in a high voltage, gaseous

Some common words found in the essay are:
Diffraction X-ray, Roentgen German, Medical X-ray, , X-rays X-rays, x-rays discovered, fluorescent light,
Approximate Word count = 252
Approximate Pages = 1 (250 words per page double spaced)