Science

It need hardly be said that the field of mathematics is now so extensive that no one can longer pretend to cover it, least of all the specialist in any one department. Furthermore it takes a century or more to weigh men and their discoveries, thus making the judgment of contemporaries often quite worthless.

The hollow earth has held man's fascination for century upon century. The author presents an argument that it is natural and necessary for the globe we live on to be hollow.

Throughout the pages of this little book have been scattered crumbs of teaching other than those concerning the aura alone. Those for whom these are intended will recognize and appropriate them--the others will not see them, and will pass them by. One attracts his own to him. Much seed must fall on waste places in order that here and there a grain will find lodgment in rich soil awaiting its coming. True occult knowledge is practical power and strength.

Hydrogen, possibly the hope for earth's human civilization's insatiable thirst for energy. Hydrogen for fuel and for lift, this book is a series of US Military documents on hydrogen craft and balloons.

The fences of the imagination are buckling under the pressure brought against them by the facts and theories of modern science, but few scientists have the writer's imagination that is needed to describe the deepest meaning of their seeming miracles. Loren Corey Eiseley labors under no such limitation.

Hydrogen gas, on being freed, is the most expansive of all elements, and its molecules assume great spheres (like the soap bubbles blown by children) of which the shell is the entity -- the matter -- surcharged from the centre by repulsive force, and the interior of the globe is absolute space, emptiness, nothing.

JOHN WORRELL KEELY - the discoverer of compound inter-etheric force, as operating in the animal organism, man - is a great thinker, and a great student of the capabilities of nature in offering to man's intelligence the means whereby he may discover for himself the secrets she often veils without entirely concealing.