World radiology went through several periods during its’ development. All started with Masson’s discovery of luminescence, which was a result of electric discharge between two electrodes inside the glass tube. W Crucks and F fon Lenard had been working on this discovery for several years while W Rentgen had opened X-rays and made the first brush roentgenoscopy in 1895. He got Nobel Prize on physics for it. The ingenious discovery made a real boom in science history and gave a powerful spur to development of the new branch of medicine - radiology. Researches of bone and articulate system, gastrointestinal tract, bodies of a chest cavity were made with help of X-rays. Also negative consequences of X-rays impact on a person were discovered and...