While consistently conservative, Lord Kelvin took a deep and lively interest in the recent investigations regarding radium and radio-activity. He would not assent to the theory that one element could be evolved from another, nor to the theory lately advanced, that the heat of the sun or the earth is due to radium, rather than to gravitation.

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.