An Introduction to the History of ScienceHoughton Mifflin, 1917 - 288 oldal |
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acid Actinium aeroplane animals apparatus Arab Aristotle arts thereto belonging astronomy atmosphere atoms Averroës Babylonian Bacon Boyle carbonic carbonic acid century CHAPTER chemical chemistry compound culture Dalton Darwin Davy Descartes disciple discovered discovery early earth Egyptian elements ence ethical experiment experimental fact Franklin Galileo genius geology geometry Greek Gresham College heat heavenly bodies heavens history of science human Hutton hypothesis influence interest inventions investigation Kant knowledge Langley later learning Leverrier mass mathematician mathematics means mechanical medicine ment mental mercury method mind motion nature Newton nitric oxide nitrogen observations orbit organization origin oxygen particles Pasteur phenomena philosophy physical planet Plato practical principles Professor psychology racemic acid radioactive Radium reference relation Robert Boyle Roman Royal Society scientific scientist showed species stars strata substance theory things Thorium thought tion Tycho Brahe universe Uranus Vitruvius weight wrote
Népszerű szakaszok
99. oldal - that every particle of matter in the universe attracts every other particle, with a force whose direction is that of the line joining the two, and whose magnitude is directly as the product of their masses, and inversely as the square of their distances from each other.
162. oldal - A thrilling, extending from the chest to the extremities, was almost immediately produced. I felt a sense of tangible extension, highly pleasurable, in every limb; my visible impressions were dazzling and apparently magnified; I heard distinctly every sound in the room, and was perfectly aware of my situation.
186. oldal - The sound spoke eloquently to the geologist; the thousands and thousands of stones, which, striking against each other, made the one dull, uniform sound, were all hurrying in one direction. It was like thinking on time, where the minute that now glides past is irrecoverable. So was it with these stones ; the ocean is their eternity, and each note of that wild music told of one more step towards their destiny.
96. oldal - ... it is to be noted that they have freely admitted men of different religions, countries, and professions of life. This they were obliged to do, or else they would come far short of the largeness of their own declarations. For they openly profess not to lay the foundation of an English, Scotch, Irish, popish, or protestant philosophy, but a philosophy of mankind.
6. oldal - Euclid's, and show by construction that its truth was known to us, to demonstrate, for example, that the angles at the base of an isosceles triangle are equal...
215. oldal - Two contrary laws seem to be wrestling with each other nowadays; the one, a law of blood and of death ever imagining; new means of destruction and forcing nations to be constantly ready for the battlefield — the other, a law of peace, work and health, ever evolving new means of delivering man from the scourges which beset him. "The one seeks violent conquests, the other the relief of humanity. The latter places one human life above any victory; while the former would sacrifice hundred and thousands...
197. oldal - Malthus on Population"; and being well prepared to appreciate the struggle for existence which everywhere goes on from long-continued observation of the habits of animals and plants, it at once struck me that under these circumstances favorable variations would tend to be preserved, and unfavorable ones to be destroyed. The result of this would be the formation of new species. Here then I had at last got a theory by which to work...
186. oldal - it is not possible to give an adequate idea of the higher feelings of wonder, admiration, and devotion, which fill and elevate the mind.
261. oldal - Not a having and a resting, but a growing and a becoming, is the character of perfection as culture conceives it; and here, too, it coincides with religion. And because men are all members of one great whole, and the sympathy which is in human nature will not allow one member to be indifferent to the rest or to have a perfect welfare independent of the rest, the expansion of our humanity, to suit the idea of perfection which culture forms, must be a general expansion.
152. oldal - ... to 3, or to 4 — he explained this fact on the Newtonian doctrine of indivisible atoms ; and contended that, the relative weight of one atom to that of any other atom being known, its proportions or weight in all its combinations might be ascertained, thus making the statics of chemistry depend upon simple questions in subtraction or multiplication and enabling the student to deduce an immense number of facts from a few well-authenticated accurate experimental results.