... discovery of x-rays by Roentgen in 1895 was a total astonishment to him and everyone else at the time. 2. X-rays are created by a high-fuel cathode-ray tube.3. Major engineering objects only have ... by high – energy cathode ray tube. - Are more efficiently produced by heavy elements.Within two weeks of their discovery, x – rays were being used in medical diagnosis, and they have been indispensable ... x-rays and eliminate the subsequent blurring, which is tapered to pass the x-rays incident on the patient.c. X-rays inside the patient create x-ray ………………… which tends to blur the images. 2. ...