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Pāgina 22 - That gravity should be innate, inherent, and essential to matter, so that one body may act upon another at a distance through a vacuum, without the mediation of anything else, by and through which their action and force may be conveyed from one to another, is to me so great an absurdity, that I believe no man, who has in philosophical matters a competent faculty of thinking, can ever fall into it.
Pāgina 2 - The thing that hath been, it is that which shall be; and that which is done is that which shall be done : and there is no new thing under the sun. Is there anything whereof it may be said, See, this is new? it hath been already of old time, which was before us.
Pāgina 25 - Faraday, in his mind's eye, saw lines of force traversing all space where the mathematicians saw centres of force attracting at a distance : Faraday saw a medium where they saw nothing but distance : Faraday sought the seat of the phenomena in real actions going on in the medium, they were satisfied that they had found it in a power of action at a distance impressed on the electric fluids.
Pāgina xvii - The objects of the Association are, by periodical and migratory meetings, to promote intercourse between those who are cultivating science in different parts of America, to give a stronger and more general impulse and more systematic direction to scientific research, and to procure for the labors of scientific men increased facilities and a wider usefulness.
Pāgina 104 - THE sum of the three angles of any triangle is equal to two right angles.
Pāgina 154 - Michigan, in accordance with the vote accepting the very cordial invitations extended by the Governor of the State, the Mayor of the City, and the Detroit Scientific Association.
Pāgina 16 - Some centuries ago, great theological disgust was produced by the announcement that the sun and not the earth was the centre of the planetary system.
Pāgina 87 - I have now recapitulated the facts and considerations which have thoroughly convinced me that species have been modified, during a long course of descent. This has been effected chiefly through the natural selection of numerous successive, slight, favourable variations; aided in an important manner by the inherited effects of the use and disuse of parts; and in an unimportant manner, that is in relation to adaptive structures, whether past or present, by the direct action of external conditions,...
Pāgina 266 - The latest investigations respecting the early condition of the human race, are tending to the conclusion that mankind commenced their career at the bottom of the scale and worked their way up from savagery to civilization through the slow accumulations of experimental knowledge.