Taking a Look at X-Rays

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The first human x-ray was taken and discovered by German scientist Wilhelm Roentgen’s first experiment with cathode tube rays. The photo taken was the hand of his wife, Bertha. On the photo you can see a clear view of her hand through the flesh and bone. The first human X-ray was an amazing discovery. Numerous people including scientists, and inventors were so fascinated by the discovery that they started to experiment with cathode tube rays. But even so, x-rays have made many contributions to the world from industrial purposes before medical purposes. Physicians used x-rays for medical related injuries and they have progressed into new technology such as smaller machines and better quality of photographs. X-rays in the 1800 were used for industrial purposes, “for an industrial (not medical) application” (NDT Resource Center). In 1913, X- ray tubes were changed when William Coolidge designed a high vacuum (NDT). The vacuum tubes were a reliable source and operated up to 100,000 volts of energy (NDT). In 1922, the industrial radiography moved forward. 200,000 volts of X-ray tubes that produced thick steel parts were manufactured in a little amount of time (NDT). In 1931, volt X-rays moved up to 1,000,000, the generators helped the industrial radiography with an intense and useful tool (NDT). The use of radiography in the 1930 was not accepted until the American Society of Mechanical Engineering approved and permitted fusion welded pressure vessels to be accepted in the

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