... power plants. The hazards of radioactive contamination to people and the environment depend on the nature of the radioactive contaminant, the level of contamination, and the extent of the spread ... the essential, and explained naturalprocesses and their substance. Pythagoreans had very specific attitudes about the world; for them the number was the primordial element, and these numbers wereclosely ... of the composition of matter,or the atom and radioactivity, to an end, evidence of which is the above-mentioneddiscovery in physics and the Nobel Prize for 2004. Further evidence is the standingexploitation...