Excerpt from Tribune Popular Science, Vol. 5 But now let us pass from the question of the sun's might to its heat and light. The sun is the source of all these forms of light and life which exist upon the earth. That is no idle pream. Every form of force upon the earth, every action that we perform. 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.