Among the Forces

Far back in the hills west of Mauch Chunk, Pa., lie great beds of coal. They were made under the sea long ages ago, raised up, roofed over by the Allegheny Mountains, and kept w...

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But if this being has anything to do that he cannot do, he will gladly welcome man's aid. Has he? Yes. Obviously he wants things done he cannot do alone. Worlds are dead. Trees...

The porter's rap came unexpectedly soon, and in response to the question, "What is the weather?" he said, "Not utterly bad." There is plenty of starlight; there had been through...

But what is there in space? There is the great ceaseless force of gravitation. Though the weakest of natural forces, yet when displayed in world-masses its might is measureless...

The next morning I was out before "jocund day stood tiptoe on the breezy mountain tops." I have seen many sunrises In this world and one other: I have watched the moon slowly ro...

Matter exists in three states: solid, liquid, and gas. It is thought that all matter may be passed through the three stages--iron being capable of being volatilized, and gases c...

So the great ocean sends eight or ten thousand columns a day to charge with flying banners of spray on the rocky ramparts of the shore at Santa Cruz, California.

Man has an instinct for knowledge not gratified nor gratifiable in the present narrow bounds that hedge him in like walls of hewn stone. A thousand questions he cannot solve abo...