... discovery of x-rays by Roentgen in 1895 was a total astonishment to him and everyone else at the time X-rays are created by a high-fuel cathode-ray tube Major engineering objects only have been ... created 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 ... loss of signal amplitude Since the x-ray tube is operated in its thermally limited mode, the x-ray intensity in watts per square meter is adjusted by the x-ray tube filament current Robots are...