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The luminous rays, in falling upon the selenium plates, z', modify the resistance that these offered to the passage of the current produced by the battery, B'. As this resistance diminishes, the intensity of the current in the circuit supplied by the battery, B', increases, the attractive action of the polar pieces of the magnet, M', diminishes, the equilibrium is destroyed, and the piece, A, revolves around the axis, i.
"I believe I was right, or, in other words, those that I got the idea from are," he said, as they approached the orbit of Calisto, which revolves at a distance of about eleven hundred thousand miles from the surface of Jupiter. "Those belts are made of clouds or vapour in some stage or other.
But now for the fundamental difference between the two cases. The moon, it will be remembered, always revolves with the same face towards the earth.
The circle spread from them is that part of Heaven under which the Sun revolves when it is in Aries and Libra.
The idea of such an explanation did not originate with Hipparchus. The germs of the thought were as old as the Pythagorean doctrine that the earth revolves about a centre that we cannot see. Eudoxus gave the conception greater tangibility, and may be considered as the father of this doctrine of wheels epicycles, as they came to be called.
A large vase at first was designed: why, as the wheel revolves, turns out a little pitcher? In a word, be your subject what it will, let it be merely simple and uniform. The great majority of us poets, father, and youths worthy such a father, are misled by the appearance of right.
For, because of the most fervent appetite which each part of it has to be united with each part of that most Divine Heaven of Peace, in which it revolves with so much desire, its velocity is almost incomprehensible. And this quiet and peaceful Heaven is the place of that Supreme Deity who from above beholds the whole.
The evil investments still continue to be evil, and still yield profits. Doubtless they rest, in the end, upon less sensitive consciences. Marvellous moral gain! We are bound to the wheel, say the sociological fatalists. All our efforts are of no avail; the Wheel revolves as it was destined. Not so.
"Nothing brilliant, but careful and trustworthy. Revolves in his orbit without a what-you-may-call-'im." "Perturbation," I suggested. "How far is his hut from here?" "Twelve mile. Let's see six or eight mile north-west of where you dropped the first lot of wire that time." "Can't I take him on the way to Mulppa?" "Yes; but don't trust him for directions beyond his own place.
The earth is represented by a globe in the centre, the sun by a disc which travels round it once in twenty-four hours, showing the time of day; the moon by a globe so fastened to a blue disc that it revolves once during a lunar month; half of this is painted black, the other half is gilt, and the age of the moon is indicated by the amount of the gilded portion visible when the moon is full the whole of the gilt hemisphere is shown, when new the whole of the black.
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