Popular Science Monthly, Volume 61McClure, Phillips and Company, 1902 |
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acid æther agricultural American animals appears asphalt athletic atoms average become beets Bohio branchial arches called canal cells cent Chagres Chagres River character chemical colours consciousness course crater eels effect eggs electric electric charge electrons energy eruption estimate existence experience fact fins gases gravel Haeckel heredity human important inches increased individual instinct interest investigation ions knowledge larvæ less light Lord Kelvin Martinique matter ment mental mescal method miles monism Mont Pelee nature nest observations organic origin Panama Canal Pelée phenomena philosophy physical plant Pliocene present Prince of Condé probably production Professor rays regard River salmon scientific seems society Soufrière species substance sugar sulfur dioxid sulfuric sulfuric acid surface temperature theory tion tons tropical United wasp words World Riddles
Popular passages
Page 472 - handful of silver he left us, Just for a riband to stick In his coat— Found the one gift of which fortune bereft us, Lost all the others she lets us devote ; They, with the gold to give, doled him out silver, So much was theirs who so little
Page 126 - untaught dexterity of beasts, birds, and insects, he is in little danger of being checked by the men of science. His learned enemies are dumb, when in triumph he asks the old question : Who taught the nations of the field and wood To shun their poison and to choose their food T Prescient, the tides or
Page 459 - entrance, that it might be thereby refracted to the opposite wall. It was at first a very pleasing diversion to view the vivid and intense colours produced thereby ; but after a while applying myself to consider them more circumspectly, I was surprised to see them in an oblong form ; which according to the received laws of refraction, I expected would have been circular.
Page 427 - some worms, and some kinds of bees and wasps are, either of dew or out of the corruption of the earth, seems to be made probable by the barnacles and young goslings bred by the sun's heat and the rotten planks of an old ship, and hatched of trees.
Page 90 - instincts to lead and take interest in his schoolmates, for these latter attributes will likely in after life guide him to esteem the performance of public duties as his highest aim. Marks for
Page 465 - produce not the intermediate green, nor scarlet and green the intermediate yellow. 7. But the most surprising and wonderful composition was that of whiteness. There is no one sort of rays which alone can exhibit this. It is ever compounded, and to its composition are requisite all the aforesaid primary colours, mixed
Page 467 - a heterogeneous aggregate, such as light is discovered to be. But, to determine more absolutely what light is, after what manner refracted, and by what modes or actions it produces in our minds the phantasms of colours, is not so easy. And I shall not mingle conjectures with certainties. Reviewing what I have written, I see the discourse itself will lead to
Page 465 - is ever compounded, and to its composition are requisite all the aforesaid primary colours, mixed in a due proportion. I have often with admiration beheld, that all the colours of the prism being made to converge, and thereby to be again mixed as they were in the light before it was incident upon the prism, reproduced light,
Page 459 - circumstances material. The fashion of the colours was in all these cases the same. Then I suspected, whether by any unevenness in the glass ; or other contingent irregularity, these colours might be thus dilated. And to try this, I took another prism like the former, and so placed it, that the light passing through them both, might be refracted
Page 459 - more circumspectly, I was surprised to see them in an oblong form ; which according to the received laws of refraction, I expected would have been circular. They were terminated at the sides with