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Here is a perfectly tangible thing, so to speak, which physicists can work on to their hearts' content, without becoming "contaminated" by the general run of psychic manifestations! Is the aura a form of physical radiation? Does it affect the atmosphere? Can it be photographed? Is it connected with the phenomena of exteriorization of sensitivity or motivity?

Along with the growth of observational astronomy which has taken place since the discoveries of Galileo, there has been developed a view concerning the physical history of the stellar world, known as the nebular hypothesis, which, though not yet fully proved, is believed by most astronomers and physicists to give us a tolerably correct notion as to the way in which the heavenly spheres were formed from an earlier condition of matter.

If they had not done so, we could not have known what deeds were done in Troy, nor what Thales, Democritus, Anaxagoras, Xenophanes, and the other physicists thought about nature, and what rules Socrates, Plato, Aristotle, Zeno, Epicurus, and other philosophers laid down for the conduct of human life; nor would the deeds and motives of Croesus, Alexander, Darius, and other kings have been known, unless the ancients had compiled treatises, and published them in commentaries to be had in universal remembrance with posterity.

Do you remember how the ship seemed to lose its invisibility for an instant? I learned why when we investigated the ship. Those men are physicists of the highest order. We must realize the terrible forces, both physical and mental that we are to meet. They've solved the secret of our invisibility, and now they can neutralize it.

It was not until M. Van der Waals exhumed the memoir of Gibbs, when numerous physicists or chemists, most of them Dutch Professor Van t'Hoff, Bakhius Roozeboom, and others utilized the rules set forth in this memoir for the discussion of the most complicated chemical reactions, that the extent of the new laws was fully understood.

"Electricity," wrote the Abbé Haüy, "enriched by the labour of so many distinguished physicists, seemed to have reached the term when a science has no further important steps before it, and only leaves to those who cultivate it the hope of confirming the discoveries of their predecessors, and of casting a brighter light on the truths revealed.

From the equations of the general theory of relativity it can be deduced that this total reduction of inertia to reciprocal action between masses as required by E. Mach, for example is possible only if the universe is spatially finite. On many physicists and astronomers this argument makes no impression. Experience alone can finally decide which of the two possibilities is realised in nature.

Evans is constructing plans of the Dry Valley and Koettlitz Glacier with the help of the Western Party. The physicists are busy always, Meares is making dog harness, Oates ridding the ponies of their parasites, and Ponting printing from his negatives. Science cannot be served by 'dilettante' methods, but demands a mind spurred by ambition or the satisfaction of ideals.

The elaborate investigations of Clerk-Maxwell served not merely to substantiate the doctrine, but threw a flood of light upon the entire subject of molecular dynamics. Soon the physicists came to feel as certain of the existence of these showers of flying molecules making up a gas as if they could actually see and watch their individual actions.

It was to destroy itself; the Solarite would merely be the detonator to set it off! While the physicists were busy on this, Fuller was designing the mechanical details of the projector. It must be able to turn through a spherical angle of 180 degrees, and was necessarily controlled electrically from the inside.