The Popular Science Monthly, Volumen 17

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D. Appleton, 1880
 

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Página 494 - That man, I think, has had a liberal education who has been so trained in youth that his body is the ready servant of his will, and does with ease and pleasure all the work that as a mechanism it is capable of; whose intellect is a clear, cold logic engine with all its parts of equal strength and in smooth working order; ready like a steam engine to be turned to any kind of work, and spin the gossamers as well as forge the anchors of the mind...
Página 786 - Discoursed with Mr. Hooke about the nature of sounds, and he did make me understand the nature of musicall sounds made by strings, mighty prettily; and told me that having come to a certain number of vibrations proper to make any tone, he is able to tell how many strokes a fly makes with her wings, those flies that hum in their flying, by the note that it answers to in musique, during their flying. That, I suppose, is a little too much refined; but his discourse in general of sound was mighty fine.
Página 338 - History warns us, however, that it is the customary fate of new truths to begin as heresies and to end as superstitions...
Página 103 - Shells hang at the Tree by a Neck longer than the Shell. Of a kind of Filmy substance, round, and hollow, and creassed, not unlike the Wind-pipe of a Chicken ; spreading out broadest where it is fastened to the Tree, from which it seems to draw and convey the matter which serves for the growth and vegetation of the Shell and the little Bird within it.
Página 101 - ... lace or string : next come the legs of the bird hanging out, and, as it groweth greater, it openeth the shell by degrees, till at length it is all come forth, and hangeth onely by the bill : in short space after it commeth to full maturitie, and falleth into the sea, where it gathereth feathers, and groweth to a fowle bigger than a mallard, and lesser than a goose...
Página 145 - I may as well abruptly avow, as the result of my reading and observation in the matter of education, that I recognize but one mental acquisition as an essential part of the education of a lady or a gentleman, — namely, an accurate and refined use of the mother tongue.
Página 144 - For sale by all booksellers ; or sent by mail, post-paid, on receipt of price. D. APPLETON & CO., Publishers, 1. 3. & 5 BOND STREET, NKW YORK.
Página 312 - And in order thereto, having darkened my chamber, and made a small hole in my window-shuts, to let in a convenient quantity of the sun's light, I placed my prism at its entrance, that it might be thereby refracted to the opposite wall.
Página 800 - On which the comment may be that one who had studied celestial mechanics as much as the reviewer has studied the general course of transformations, might similarly have remarked that the formula — 'bodies attract one another directly as their masses and inversely as the squares of their distances,' was at best but a blank form for solar systems and sidereal clusters.
Página 338 - Origin of Species" is not traceable; the foremost men of science in every country are either avowed champions of its leading doctrines, or at any rate abstain from opposing them; a host of young and ardent investigators seek for and find inspiration and guidance in Mr. Darwin's great work; and the general doctrine of evolution, to one side of which it gives expression, obtains...

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