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第 116 頁 - Hence appear the many mistakes which have made learning generally so unpleasing and so unsuccessful ; first, we do amiss to spend seven or eight years merely in scraping together so much miserable Latin and Greek, as might be learned otherwise easily and delightfully in one year...
第 119 頁 - ... the body become profoundly altered, and a study of the normal and abnormal reflexes led him to the observation that contraction of one muscle is commonly associated with inhibition of its antagonist. Upon this he formulated the law of the reciprocal action of antagonistic muscles, which is now accepted as of fundamental importance in the coordination of muscular movement. A further study of reflex actions led him to lay down certain general principles with regard to them. One principle deserves...
第 332 頁 - But if one parent has a light Eyecolour and the other a dark Eye-colour, some of the children will, as a rule, be light and the rest dark; they will seldom be medium eye-coloured, like the children of medium eye-coloured parents.
第 1 頁 - Times, with the aid of the Joint Permanent Eclipse Committee of the Royal Society and the Royal Astronomical Society...
第 211 頁 - of the medium, ie, the ratio of the velocity of light in air to that in the medium, and a is the coefficient of absorption.
第 114 頁 - ... presence of Nature. They do not hear her most imperative warnings, and can only get on haltingly in their everyday intercourse with the natural forces to which their lives are subjected, by means of the arbitrary signs of empirical custom. The recent introduction of some amount of science-teaching in our higher schools is quite inadequate, alike in kind and in degree. It can be only through a reform of the scheme of their examinations by the Universities, that we can hope to see Science take...
第 374 頁 - ... particularly that of the Cordilleras. This was notably the case in 1902. On April 19 of that year an unusually large earthquake devastated cities in Guatemala. Small local shocks were felt in the West Indies, and on April 25 it was noticed that steam was escaping from the crater of the Montague Pele'e, in Martinique.
第 372 頁 - ... indicated. If we take a chart showing the varying position of our earth's North Pole in relation to its mean position, we see that the secular movement of the pole is by no means always uniform. Although it may at times follow a path about its mean position which is approximately circular, at other times there are comparatively sharp changes in direction of motion which may even become retrograde. If now on a chart of this description we mark the timepositions of very large earthquakes, we find...
第 115 頁 - ... discovery in science. Further, elementary science, taught practically with the aid of experiment during a boy's early years, cannot fail to develop the faculty of observation. However keen in vision, the eyes see little without training in observation by the subtle exercise of the mind behind them. From the humblest weed to the stars in their courses, all Nature is a great object lesson for the acquirement of the power of rapid and accurate noting of minute and quickly changing aspects.
第 539 頁 - NS, these bobbins being wound, in a similar manner to those illustrated in connection with the pivoted bobbin detector previously referred to, with some feet of steel wire of suitable resistance. A winding of two coils, W, W, at right angles to one another, of a hundred turns, is placed on each bobbin at right angles to the...