Radioactivity Quotes

“Radioactivity is shown to be accompanied by chemical changes in which new types of matter are produced.”

“Radioactivity is a property of the atom. It is not affected by any physical or chemical change.”

“In radioactivity we are not witnessing the creation of matter, but its conversion.”

“We can not, however, be sure that the present supply of heat from radioactivity has been maintained uniformly throughout all geological time.”