The book Lectures And Essays By William Kingdon Clifford 1 was written by author Clifford, William Kingdon, 1845-1879 Here you can read free online of Lectures And Essays By William Kingdon Clifford 1 book, rate and share your impressions in comments. If you don't know what to write, just answer the question: Why is Lectures And Essays By William Kingdon Clifford 1 a good or bad book?
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The other case that I mentioned has a very similar origin. The idea of a piece of matter the parts of which are held together by forces, and are capable of being torn asunder by greater forces, is entirely derived from the large pieces of matter which we have to deal with. We do not know whether this idea apphes in any sense even to the rtiole- cules of gases ; still less can we apply it to the atoms of which they are composed. The word force is used of two phenomena : the pressure, which when ...two bodies are in contact connects the motion of each with the position of the other ; and attraction or repulsion, — that is to say, a change of velocity in one body depending on the position of some other body which is not in contact with it. We do not know that there is any- thing corresponding to either of these phenomena in the case of a molecule. A meaning can, however, be given to the question of the divisibihty of matter in this way. We may ask if there is any piece of matter so small that its properties as matter depend upon its remaining all in one piece.
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