Excerpt from Optics Without MathematicsBut what is Light? We may say that it is that by which we see. But what is its nature? The true answer is probably far beyond the capacity of such a poor ignorant creature as man. We know nothing of the true nature of gravity, or electricity, or chemical action, any more than of light. All we can do is to seek for such an explanation as will account best for the properties of light, and to content our selves with that till we are permitted to find a better. Such an explanation is given in a very complete and remarkable manner by what.About the PublisherForgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.comThis 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.