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Load application renhen man! Explore, learn, discovering many new friends .Rozkazhy app that they will also be aware of current news. Dive into the fascinating world of science together with application images that are easily installed on your device.

Radiography - the study of the internal structure of objects displayed by X-rays. Often the term vykorystovuyuyut in a medical context. Methods Rö (X) study is based on the formation of gray color on X-ray film under Rö-rays.

The first pictures of the X-rays done an outstanding Ukrainian scientist Ivan Pul'uj 1895 with "Pul'uj lamp." Then a similar lamp experimented German scientist Wilhelm Roentgen, who, unlike I. Pul'uj widely published their findings and received in 1901 the Nobel Prize. According to some Ukrainian and foreign scientists, the priority of the invention of X-ray belongs I. Pul'uj.

In the X-ray beam of X-rays sent to the investigated part of the body; X-rays that penetrated through the body of the patient, get on film. The film has a sensitivity not only to X-rays, but also to visible light. Therefore, it is put in a cassette that protects against visible light but permeable to X-rays. The image on the film is visible after fotoobrobky (display, recording). The finished picture dried considered in the light or X-ray viewer.