... Sweden) are planning a gradual phase-out of nuclear energy while in others (Austria, Denmark, Greece, Ireland, Italy, and Norway) the use of nuclear power is prevented by law The situation in the Far ... East, South Asia and Middle East is rather different: there are 90 reactors in operation and a significant expansion is foreseen, especially in China, India, Japan, and the Republic of Korea ... radioactivity comes into play Radioactivity - the phenomenon of spontaneous disintegration or transformation of an atomic nucleus into another, accompanied by the emission of alpha, beta or gamma...