Excerpt from Radio-Activity an Elementary Treatise, From the Standpoint of the Disintegration Theory, Vol. 1 It has been recognised that there is a vast and hitherto almost unsuspected store of energy bound up in, and in some way associated with, the unit of elementary matter, represented by the atom of Dalton. It is possible to arrive at this result by two independent processes of reasoning, the purely physical and the purely chemical The paths are different but the conclusions are identical. Since the relations between energy and matter constitute the ultimate groundwork of every philosophical science, the influence of these generalisations on allied branches of knowledge is a matter of extreme interest at the present time. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.