University of Virginia Library

"HOW" FINDS A PLANET

First: It does not refer to anything which appears on the surface. Instead, it seeks to find the hidden and the unknown by following up one clue after another. When the astronomer, Leverrier, found that the planets Saturn and Uranus did not come to time, he asked himself how that could be. Meanwhile, the answer to any number of "hows" must have been previously demonstrated by him and by other astronomers before the movements of these great and distant heavenly bodies could be shown as not according to the clock-like regularity of planets in their courses. He reasoned that only one probable "how" could account for the facts; namely, another planet of just such a size and weight, and moving at just such a distance, would suffice thus to hold back Saturn and Uranus in their orbits. And so he calculated how large this heavenly body was, how heavy it was, and then just where it was, until, by this human but sure detective system, astronomers caught sight of Neptune—after Leverrier told them where to look for it.

But, after all, to decide how the vast heavenly bodies move in space is easy compared with finding out how to make a sewing machine go. For a needle to thread itself and then rapidly proceed to sew without the help of fingers calls for the discovery of more "hows" than are needed to explain Laplace's "Mécanique céleste." Mass and gravity suffice for the one, but only a Yankee's mind could have created the other.

We have now come to a great word—"create." A creator is a being who gives origin to things which would not exist but for his intelligent purpose and design. Now, man has simply filled this earth with his own creations, all due to himself alone and to none other, and all again by pondering the question, "How?" He began, for instance, by putting a hole through a flint hatchet, and ended with putting a hole through the Alps. In this last, an engineer stood at the foot of the great mountain and asked himself how he could tunnel it for nations to pass through. He saw a small stream dashing down the mountainside and at once found his desired "how," for he made that stream work big drills by compressed air, till the everlasting rocks themselves had to give in.

But man is an infinite creator—by which we mean that his creative capacity is limitless and inexhaustible. No sooner does he create one thing than he turns to create another thing totally different from it. A locomotive thundering past with a long train has no resemblance to a telegraph line, nor that, in turn, to a great printing press. Man coolly sets at defiance the most fundamental laws of physical science.

Thus, a heavy load of passengers, sitting in no less heavy cars, if put on a smooth inclined plane must slide down faster and faster to the bottom, or Vulcan would be confounded. But man strings a thin wire overhead, which would snap instantly if the load gave it one pull; but something which, some "how," man causes to pass along that wire, makes the trolley with its live freight go uphill faster than a horse can run.