The Art of Scientific Discovery: Or, The General Conditions and Methods of Research in Physics and ChemistryLongmans, Green, and Company, 1878 - 648 páginas |
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Página 39
... excite the mind . Our various powers cease to induce consciousness , usually in something like the following order : -By absence of physical pain , uneasiness , or excitement in any part of our body , organic sensation ceases and no ...
... excite the mind . Our various powers cease to induce consciousness , usually in something like the following order : -By absence of physical pain , uneasiness , or excitement in any part of our body , organic sensation ceases and no ...
Página 46
... excite in us either many single ideas of its different constituents or attributes , a single abstract idea of its essential portion , or a complex panoramic idea of all . The most complete perception usually requires the aid , more or ...
... excite in us either many single ideas of its different constituents or attributes , a single abstract idea of its essential portion , or a complex panoramic idea of all . The most complete perception usually requires the aid , more or ...
Página 60
... excite our perception . Volun- tary observation or attention is a conscious mental effort to perceive an object or idea already present ; it is that in which the will also operates , to intensify the action of the nervous power flowing ...
... excite our perception . Volun- tary observation or attention is a conscious mental effort to perceive an object or idea already present ; it is that in which the will also operates , to intensify the action of the nervous power flowing ...
Página 69
... excite ideas , thought , and reflection ; and ever and anon , as occasion requires or stimulates , a portion of nervous power discharges outwards , either volitionally or automatically , and produces muscular or other action , whilst ...
... excite ideas , thought , and reflection ; and ever and anon , as occasion requires or stimulates , a portion of nervous power discharges outwards , either volitionally or automatically , and produces muscular or other action , whilst ...
Página 75
... excite ideas , but no idea exists in the word or sound alone . A term is a mark , used to in- dicate an idea , or represent a thing , and may consist either of one word or several . A single term should properly represent but a single ...
... excite ideas , but no idea exists in the word or sound alone . A term is a mark , used to in- dicate an idea , or represent a thing , and may consist either of one word or several . A single term should properly represent but a single ...
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Términos y frases comunes
acid action amount appear beliefs bodies Caroline Herschel cause cerebrum chemical chemical affinity chemistry circumstances classification complete conclusions consciousness covery degree depends detect discovered effect electric current electricity elementary bodies enable energy error essential evidence excite existence experiments extensive facts faculties false Faraday forces G. C. Lewis galvanometers heat heat-conductors human hypotheses ideas important impressions Inductive Sciences inference infinite instance intellect invention kind Klaproth known labour Laws of Thought less Leyden jar light logical magnetism matter means ment mental method mind motion nature nearly Newton observation obtained occult original research perceive perception persons pheno phenomena phenomenon phlogiston possess Principles of Science probably produce proposition proved qualitative quantitative R. W. Dale reason requires Royal Society scientific discovery scientific investigator scientific knowledge scientific truths senses similar statement substances temperature thallium things thought tion true universal usually various Whewell whilst
Pasajes populares
Página 273 - I do not know what I may appear to the world ; but to myself I seem to have been only like a boy playing on the sea-shore, and diverting myself in now and then finding a smoother pebble or a prettier shell than ordinary, whilst the great ocean of truth lay all undiscovered before me.
Página 370 - One science only will one genius fit ; So vast is art, so narrow human wit : Not only bounded to peculiar arts, But oft in those confined to single parts.
Página 598 - Avogadro's law states that equal volumes of all gases at the same temperature and pressure contain the same number of molecules...
Página 98 - So it is in contemplation; if a man will begin with certainties, he shall end in doubts; but if he will be content to begin with doubts, he shall end in certainties.
Página 94 - I think it may not be amiss to take notice, that however faith be opposed to reason, faith is nothing but a firm assent of the mind : which if it be regulated, as is our duty, cannot be afforded to any thing but upon good reason ; and so cannot be opposite to it. He that believes, without having any reason for believing, may be in love with his own fancies; but neither seeks truth as he ought, nor pays the obedience due to his Maker...
Página 291 - It is a pleasure to stand upon the shore and to see ships tossed upon the sea; a pleasure to stand in the window of a castle and to see a battle and the adventures thereof below; but no pleasure is comparable to the standing upon the vantage ground of truth...
Página 175 - The second supposition is this, that all bodies whatsoever that are put into a direct and simple motion, will so continue to move forward in a straight line till they are, by some other effectual powers, deflected, and sent into a motion describing a circle, ellipsis, or some other more compounded curve line. The third supposition is, that these attractive powers are so much the more powerful in operating by how much the nearer the body wrought upon is to their own centres.
Página 283 - Our business was (precluding matters of theology and state affairs) to discourse and consider of philosophical enquiries, and such as related thereunto: — as Physick, Anatomy, Geometry, Astronomy, Navigation, Staticks, Magneticks, Chymicks, Mechanicks, and Natural Experiments; with the state of these studies and their cultivation at home and abroad.
Página 385 - Accurate and minute measurement seems to the non-scientific imagination a less lofty and dignified work than looking for something new. But nearly all the grandest discoveries of science have been but the rewards of accurate measurement and patient long-continued labour in the minute sifting of numerical results.
Página 179 - ... by art, seems to be done with equal efficacy, though more slowly, by nature, in the formation of varieties of mankind, fitted for the country which they inhabit. Of the accidental varieties of man, which would occur among the first few and scattered inhabitants of the middle regions of Africa, some one would be better fitted than the others to bear the diseases of the country.