... discussed in Section 1.6, including their use and their health risks.Since the history of radionuclides is immediately connected with our under-standing of matter, and thus with the study of atoms and ... extent of the spread of contamination. The remaining chapters of thisbook discuss the hazards and radiation safety connected with radionuclides in foods and the environment.Finally, the radioactivity ... motion, the determinationof Avogadro’s number, and the “counting” of atoms [1]. In 1897 the theory of“indivisible” atoms was put to rest with the discovery of the electron, the first of the subatomic...