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Nature03.08.1871
  • Datum
    Donnerstag, 03. August 1871
  • Erschienen
    London
  • Verbreitungsort(e)
    London
Anzahl der Treffer: 10
[...] necessarily slow 2 There is but one answer to these questions. Science teaching in our schools is as yet potential merely. It rests with those whom we are addressing to make it actual. Observers most conversant with the difficulties which have [...]
[...] and Cayley, according to which symbols of operation become the subjects not merely of algebraic combination, but of differentia tions and integrations, as if they were symbols expressing values of varying quantities. An even more marvellous development of [...]
[...] methods a judicious choice of coordinates is often of immense importance in sinplifying an investigation ; in Quaternions there is usually no choice, for (except when they degrade to mere scalars) they are in general utterly independent of any particular directions in space, and select of themselves the most natural [...]
[...] and others; and wherein Clerk-Maxwell has employed the pro perties of an imaginary incompressible liquid (devoid of inertia) to illustrate not merely these theorems, but even Thomson's Electrical Images. [In fact he has gone much further, having applied his analogy to the puzzling combinations presented by [...]
[...] statical distribution of electricity is proportional everywhere to the condensation produced. Again, Green's celebrated theorem is at once seen to be merely the well-known equation of continuity expressed for a heterogeneous fluid, whose density at every point is proportional to one electric potential, and its displacement or [...]
[...] the old Greek Arithmetic—or than the well-ordered subdivisions of the metrical system with the preposterous no-systems of Great Britain, a mere fragment of which (in the form of Table of Weights and Measures) form, perhaps the most effective, if not [...]
[...] tions, and fighting the self-same battles under slightly different banners, which is merely another form of stagnation (Kinetic Stability in fact). “A little ſolding of the hands to sleep” in chuckling satisfaction at what has been achieved of late years by [...]
[...] hand, there is a numerous group, not in the slightest degree entitled to rank as Physicists—though in general they assume the proud title of Philosophers—who assert that not merely Life, but even Volition and Consciousness are mere physical manifestations. These opposite errors, into neither of which it [...]
[...] geological structure and history of Edinburgh and its neighbour hood, dwelling more especially on those parts which have more than a mere local interest, as illustrative of the general principles of our science. It would be as unnecessary, as it would be out of place here, [...]
[...] In the first place, then, scientific men will not, cannot admit the validity of a “new force" (of the nature of that which Mr. Crookes calls “psychic") which rests merely on the results of two experiments made in the presence of three or four persons, [...]
Nature14.07.1870
  • Datum
    Donnerstag, 14. Juli 1870
  • Erschienen
    London
  • Verbreitungsort(e)
    London
Anzahl der Treffer: 10
[...] through some omission, not easily to be explained, if it be not the effect of a mere accident, geographical proficiency has never hitherto been adequately encouraged. Consequently, the Geo graphical Society has thought it right to step in to supply the [...]
[...] these enter into new combinations.t It may be said, however, that such changes do not take place by , the mere action of physical forces upon the un stable molecules of the dissolved tartrate of ammonia, and that Living ſerments are necessary for the initiation of such [...]
[...] within my experimental flasks. These observations were, how ever, extremely interesting, because I was thus able to trace all the stages in development, on one and the same plant, from mere granular abortive-looking Zºothrix threads, only grºwn" in dia meter, which gradually grew into a distinct conſervoid-looking [...]
[...] appearance of all signs of life in the bacteria. All their peculiarly vital movements have at once ceased, and they have henceſorth displayed nothing but mere Brownian movements.” M. Pasteur approaches the solution of the discrepancy in this way. His attention was arrested by the fact that milk was an [...]
[...] And if, starting from this fact, which cannot be denied, the evolutionists see reasons which induce them to assume the possibility that, in addition to mere growth and deve lopment, an actual origination of Living things may have taken place de novo, they would also be likely to suppose [...]
[...] number of organisms found in equal bulks under similar conditions, can almost always be notably increased in either one of them by the mere addition of a few drops of liquor potassic, so as to render it neutral or slightly alkaline. This, as I previously pointed out, may be interpreted [...]
[...] high temperature. What we know concerning the precipitation of albumen in urine is quite in harmony with this view. When albumen is present, and the fluid has an alkaline reaction, mere boiling does not cause its precipitation, though, if the re action had been acid," the albumen present would have been [...]
[...] tity of acid, in conjunction with an elevated temperature, is seen to be capable of producing results which cannot be produced by the mere elevated temperature alone. But [...]
[...] * Provided this was not due to the presence of a mere trace of nitric acid. [...]
[...] the truth of his own views. Unfortunately for the cause of Truth, people have been so blinded by his skill and precision as a mere experimenter, that only too many have failed to dis cover his shortcomings as a reasoner. But it will already have been perceived by the attentive [...]
Nature27.03.1873
  • Datum
    Donnerstag, 27. März 1873
  • Erschienen
    London
  • Verbreitungsort(e)
    London
Anzahl der Treffer: 10
[...] abstraction. Proſs. Thomson and Tait, on the contrary, begin with kinematics, the science of mere motion considered apart from the nature of the moving body and the causes which produce its motion. This science differs from geometry [...]
[...] produce its motion. This science differs from geometry only by the explicit introduction of the idea of time as a measurable quantity. (The idea of time as a mere sequence of ideas is as necessary in geometry as in every other department of thought.) Hence kinematics, as [...]
[...] Illent S. Mathematicians may flatter themselves that they possess new ideas which mere human language is as yet unable to express. Let them make the effort to ex press these ideas in appropriate words without the aid of [...]
[...] strong beget families 2 Observe //ants at the ſoof of the l'hite mountains, where are /a/ge trees, and so up to the swim iſ, where they are mere shrubs. The weak may and do survive as well as the strong. Ignorance lies at the base of the discussion.” [...]
[...] clear that their light analysed by the prism would give us no great indication of a continuous spectrum, we should merely get one bright line in the orange. But neglect the dark lines for a moment: dealing merely with the continuous spectrum of the sun and star, it shows that we [...]
[...] sunlight as we know them to be. But we have not yet exhausted the wonders of the celestial field ; we have dealt merely with the sum and moon, the stars and planets. What about the nebulae, those strange weird things, dimly shining in the depths [...]
[...] neglect the Fraunhofer lines, which I shall explain after wards—the light which he got from the nebula consisted merely of three lines. He was exceedingly astonished, so much so that he thought the instrument might be out of order. However, it became perfectly clear to him in [...]
[...] really contained nothing at all, and when, moreover, the temperature is comparatively low. Now, not only is this a fact, which we are quite prepared to assert, merely on the evidence rendered us by these tubes, but I think you will acknowledge that it is entirely in accordance with [...]
[...] Lºs on this interesting subject still continue to pour in upon us in so great abundance that limited space compels us to select merely the facts contained in each. The best service we can at present render to the unravelling of the, we think, yet unsolved problem is [...]
[...] different world of experience from ours, though developed under common laws of acquisition, that we have no means of deciding what is impossible to be done by some dogs through mere expe rience. One of your correspondents, Mr. Brewer, had good remarks [...]
Nature24.02.1870
  • Datum
    Donnerstag, 24. Februar 1870
  • Erschienen
    London
  • Verbreitungsort(e)
    London
Anzahl der Treffer: 10
[...] matter of Life, presenting no appreciable morphological characters. It becomes evident, moreover, that if the old term “cell” is still applied to these mere bits of living stuff or protoplasm—not because they are morphological units, but simply because biologists have been compelled [...]
[...] to such indefinite protoplasmic masses—then this term, thus employed, must be seen to have so entirely lost its old signification, that it can be regarded only as a mere courtesy title. Vital power has obviously been transferred from a definite morphological unit—the cell—to mere [...]
[...] from a definite morphological unit—the cell—to mere living matter, and if any people do persist in still calling a portion of such mere matter by the name of the morpho [...]
[...] logical unit, simply because this was of old also assumed to be the vital unit, we must not allow such mere con fusion in language to confuse us as to the real facts and inferences. [...]
[...] group Momera, some of which have no bounding membrane, though they have a nucleus, whilst others, simpler still, are mere bits of protoplasm—naked, non-nucleated, structureless 2 Yet, such minute, homogeneous, and alto gether indefinite bits of protoplasm, are as capable of [...]
[...] rather, as we should have said, before it had been gene rally acknowledged that vital manifestations could be displayed by mere bits of protoplasm lacking the supposed necessary elements of form, Professor Huxley had put forth a powerful remonstrance against the then all-preva [...]
[...] constitute one of these, or to constitute a vital unit of one of the higher living things, all that is needed is mere formless, indefinite Protoplasm — or, as Mr. Stirling contemptuously expresses it, a mere “shred" of the matter of Life. [...]
[...] lege at Cirencester, have also contributed towards the attainment of the same object; but, as a rule, agriculture is practised almost exclusively under the guidance of mere traditional principles and habitual routine, without those engaged in this business having any appreciation of the [...]
[...] many by the aid of the various governments and with the hearty support of farmers. It is indeed strange that in a country like ours, where agriculture is no longer a mere [...]
[...] duce the very worst barking dissonance attainable. Mr. Deas' million-fiddler-power sound, so far from being “pure" or “ethereal,” would not be a musical sound at all, but a mere bewildering chaos of noises, likely to drive the inventor himself, [...]
Nature30.06.1870
  • Datum
    Donnerstag, 30. Juni 1870
  • Erschienen
    London
  • Verbreitungsort(e)
    London
Anzahl der Treffer: 10
[...] If the weight held be very small, much power is lost in merely sustaining the arm ; if the weight is large, there is comparatively little loss on that account, but the power of the muscles is soon run out, and no sufficient oppor [...]
[...] This election is important, not only as a recognition of natural knowledge, but also of the principle of research as against that of mere education. [...]
[...] take place, because the spores were no longer living. This was the result obtained in many experiments made by Bulliard, and related in his “Histoire des Champignons.” Mere contact with boiling water was found sufficient to prevent germination; and H. Hoffmann" similarly ascertained *. an exposure for from [...]
[...] ment in a well-marked degree. They seem to be reduced by the shortest exposure to a temperature of 100°C., to the condition of mere non-living particles, and then they become subjected to the unimpaired influence of the physical conditions which occasion these molecular movements. [...]
[...] and such resulting unicellular organisms were frequently met with. The unicellular organisms seem during such weather to persist for a very long time in this condition, merely, perhaps, increasing somewhat in size, and most of them ultimately become disintegrated without undergoing further development. They [...]
[...] some of the simplest Amaebar, after they have encysted them selves. In all these cases, formless and apparently homogeneous or merely granular living matter, resolves itself more or less rapidly into a number of individualised segments, which are [...]
[...] living matter of the encysted Protomyra occur by reason of the molecular properties of this living matter, and are not occa sioned by any occult influence exercised by the mere inert cyst-wall, which is but a product of the living matter that it [...]
[...] encloses. And so we have good reason for º: that the changes which take place in the mere granular, mucilage of the rapidly-formed terminal segment of an Achlya, by which this in the space of less than two hours, resolves itself into free [...]
[...] particular collocations of complex organic molecules occur. It rests, then, in reality, with the vitalist, who assumes the truth of a mere theory, in favour of which he can adduce no scientific evidence, to show why a different rule should be presumed to [...]
[...] * I was actually led to adopt this important modification, perhaps, by a mere chance. In the spring of last year Mr. Temple Orme, of Uni versity College, had kindly undertaken to perform some experiments with me bearing upon the subject of “Spontaneous Generation.” We at first [...]
Nature21.09.1876
  • Datum
    Donnerstag, 21. September 1876
  • Erschienen
    London
  • Verbreitungsort(e)
    London
Anzahl der Treffer: 10
[...] imperforate, sandy and imperforate, sandy externally but with a perforate shell as basis, or even hyaline and perforate, the mere size of the specimen having apparently much to do with the nature of the test. These supply any required number of transitional steps to the uniformly “perforate" [...]
[...] posed. Take for example the well-known genera Polysto mella and Aonionina-types so closely related that the latter is often treated as a mere sub-genus of the former, and is perhaps best so regarded. In its higher modifica tions Polystomella has a very complicated canal-system, [...]
[...] MacEnery commenced his researches in the cavern in 1825, as what appeared to be its two entrances must have then been so nearly filled as to reduce them to the size of mere pigeon-holes. [...]
[...] tinuous labour of almost twelve years, is the solitary incisor found July 29, 1872, a fact well calculated to impress one with the unsatisfactory nature of merely negative evidence. It cannot be doubted that had this comparatively small specimen been overlooked, those palaeontologists who were sceptical respecting [...]
[...] Prof. Williamson also explained that the separation of the genera Asterophyllites and Sphenophyllum was uncalled for, the wedge shaped leaf of Sphenophyllum being merely the result of the coalescence of several of the leaves of Asterophyllites. On Labyrinthodont A’emains from the Upper Carboniferous [...]
[...] the nature of alternate compressions and dilatations superposed upon their rapid motions among one another. And our classifi cation of sounds as to loudness, pitch, and quality, is merely the subjective correlative of what in the air-particles is objectively the amounts of compression, the rapidity of its alternations, and [...]
[...] as matter has. This may appear, at first sight, paradoxical ; but we must remember that so-called paradoxes are merely facts as yet unex plained, and therefore still apparently inconsistent with others already understood in their full significance. [...]
[...] world, using the imperfect means which are at our command— reason acting as interpreter as well as judge, while the senses are merely more or less untrustworthy and incompetent witnesses, but still of inconceivable value to us because they are our only available ones. [...]
[...] or the product of the mass of the moving body into its change of velocity. , Now a change of velocity is itself a velocity, as we see by the science of mere motion—kinematics—the purely mathematical science of mixed space and time. Newton's words, however, imply more than this. Of [...]
[...] work, as do savages that work can be converted into heat. But whenever any such conversion or transference takes place there is necessarily motion: and the mere rate of conversion or transference of energy per unit length of that motion is, in the present state of science, very conveniently called force. No [...]
Nature31.07.1873
  • Datum
    Donnerstag, 31. Juli 1873
  • Erschienen
    London
  • Verbreitungsort(e)
    London
Anzahl der Treffer: 10
[...] natural death. Man proposes, but the attraction of gravi tation disposes,” and so “we must be resigned, remem bering that after all we are but a mere spºck in the great celestial economy, which will lose nothing by our death.” [...]
[...] largely developed and unsymmetrical caudal fin and whole | posterior part of the body, the other fins remaining quies cent and being merely subservient as balancers. Descend ing to the species we find again that each form exhibits a peculiarity of action distinct from its congeners, and one [...]
[...] stone is saturated, or filled with salt water. The fresh water lakes and wells, of which there are many, are thus merely catches of fresh water lying upon the surface of salt water, and they are nearly all slightly brackish, and those near the sea rise and fall perceptibly with the tide. [...]
[...] tral saline solutions? At first sight it might seem that this was the conclusion to be drawn. We must not, however, rest satis. fied with mere superficial considerations. The prºblem is an ineresting one; yet it should be clearly understood that its solution, whatever it may be, cannot in the [...]
[...] inoculating compound, although the facts are equally explicable upon the supposition that the later an i less energetic putre ſactions are due to the sole influence of the mere organic matter of the inoculating compound. 2. So far as the evidence embodied in the Tables goes, it [...]
[...] element whose vitality and rate of reproduction has been lowered by the heat, or whether the effects are wholly attri butable to the mere organic matter of the inoculating com ound. p So far, therefore, we have concomitant variations which are [...]
[...] these mere thin films of fluid dead ferments are as incapable of operating upon the organic fluids as they are upon the ammonic tartrate solutions. [...]
[...] may now be regarded as definitely established. According to this theory “living ” matter, as a ferment, would take rank merely as a chemical compound having a tolerably definite con stitution ; and this, we might reasonably inſer, would, like other chemical compounds, be endowed with definite properties, [...]
[...] from /3acteria and Viðriorſes when exposed to the air, it is because the air does not contain living organisms of this kind or their supposed germs, and because mere dead organic particles are not capable of initiating putrefaction in such a fluid. And if ordinary organic infusions previously boiled and ex [...]
[...] turbance in the staminal characters. But at other times there was no disturbance in the normal character of the axis. The stamens themselves merely became petaloid. This was the case in the Epigra, recently ſound by Dr. Darrach. —Influence of Cohesion on Change of Characters in Orchiteſ.—Mr. Meehan also [...]
Nature20.08.1874
  • Datum
    Donnerstag, 20. August 1874
  • Erschienen
    London
  • Verbreitungsort(e)
    London
Anzahl der Treffer: 10
[...] British Association at Ipswich, and thus commenced a all European countries, we must consider not merely friendship which has never faltered to the present hour. as a striving after new forms of amusement, or a Dr. Bence Jones heard of Tyndall in Berlin, and, always mere empty and barren curiosity; it is rather a well [...]
[...] thought which, for strict logic, certainty, correctness, and productiveness, can at all be compared with it. I point out these relations merely with the view of showing in what sense the natural sciences are a new and essential element of human education ; of indestructible [...]
[...] gators have the qualities and peculiarities belonging to abstract work is natural, and will, in each individual case, be at once willingly excused. I have here merely to guard against the reversal of this relation, as if the defects named were necessary, or at all constituted a [...]
[...] of these means to human thought. But what we require at any given epoch for the ad vancement of science is not merely to set men thinking, but to produce a concentration of thought in that part of the field of science which at that particular season ought [...]
[...] mechanical conceptions; he could not see the force of mechani cal reasoning; and in regions where such reasoning reigns supreme he became a mere ignis fatuus to those who followed him. I have sometimes permitted myself to compare Aristotle with [...]
[...] infinity of forms under which matter appears were not imposed upon it by an external artificer; by its own intrinsic force and virtue it brings these forms forth. Matter is not the mere naked, empty capacity which philosophers have pictured her to be, but [...]
[...] by the disease. The errors of madness are errors of the instru ment, not of the performer. It may be more than a mere result of education, connecting itself probably with the deeper mental structure of the two men, that the idea of Gassendi, above enunciated, is substantially the [...]
[...] anxiety to being physical optics completely under the power of mathematical science, we have abandoned the principles of the inductive philosophy, and substituted mere hypotheses for true knowledge? And are we convinced, at least, that every chemist is bound, as he values the truth and reality of his science, to [...]
[...] regard the tendency to use, as far as possible, the mathematical instrument in physical investigation as being likely to extend our real knowledge of nature? Or will its result be merely to encourage the formation of vain hypotheses, recommended only by their capability of mathematical expression, and deeply injuring [...]
[...] solved by a combination of both methods. An important step is thus made in the application of optics to chemistry. Instead of merely giving to chemistry a new solution of a problem which chemistry could solve without any assistance, optics has aided chemistry to solve a problem which chemistry unaided might [...]
Nature28.07.1870
  • Datum
    Donnerstag, 28. Juli 1870
  • Erschienen
    London
  • Verbreitungsort(e)
    London
Anzahl der Treffer: 10
[...] and intellectual discipline which is essential ſor our gymnasia, and I look upon the material furnished by other sciences as mere accessories. I know that in putting forward this view, which I do not do now for the first time, I put myself into opposition with the tide of opinion [...]
[...] “building together the molecules of corn,” “collocations,” “d priori presumptions in favour of new modes of evolution,” &c., &c., merely increase the difficulty experienced by ordinary mortals of grasping the real question at issue and discussing the theory within any reasonable limits. The introduction of these [...]
[...] 2. But it is not merely meteors belonging to the solar system which are taxed to provide fuel for our sun; space itself may be filled with meteors ready to impinge upon the sun. The argu [...]
[...] 3. The zodiacal light is another victim to the emergencies of the meteoric theory of solar energy. Whethre composed of myriads of small meteors, or merely a nebulous appendage, or atmospheric emanation belonging to the sun, is it credible that for hundreds of millions of years there could, physically speak [...]
[...] be greater than that caused by the simple friction of a meteor through the solar atmosphere ! I merely allude to these minor matters, however, in order to point out some of the numerous uncertainties and difficulties con nected with this meteoric or mechanical theory of the origin and [...]
[...] usually from the deepest sources from which it can be brought in by gravitation. The cold water is, however, merely drawing in to supply a vacancy, and there is no [...]
[...] dips under the Gulf Stream water at the northern entrance of the German Ocean. This cold flow, at first a current, finally a mere indraught, affects greatly the temperature of the North Sea ; but it is entirely lost, for the slight current which is again produced [...]
[...] layer of cold water, becoming gradually colder with increasing depth. Wherever such conditions existed it is plain that mere vertical oscillations must have produced very decided changes of climate, through only a small number of degrees, but still very marked if the oscillation [...]
[...] very decided changes of climate, through only a small number of degrees, but still very marked if the oscillation affected merely a portion of the cold underlying water, but enormous if it were sufficient to raise or depress the bottom of the sea, the principal theatre of animal life, [...]
[...] of the accumulation of post-tertiary shells on Moel Try faen, would produce an extraordinary effect on its climate. In the first place, by mere subsidence, the Gulf Stream not reaching the bottom but flowing over a band of cold water, the temperature of the warm area would be re [...]
Nature06.07.1871
  • Datum
    Donnerstag, 06. Juli 1871
  • Erschienen
    London
  • Verbreitungsort(e)
    London
Anzahl der Treffer: 10
[...] teristic of mental indolence, as well as of effete civilisation, has led to the introduction of Sensation (as it is commonly called), not merely into our newspapers and novels, but even into our pulpits. It could not be expected that our popular scientific lectures would long [...]
[...] out for press). - As to really scientific matters, occasionally referred to in these lectures, we need merely mention that the author is ignorant of, or ignores, Dr. Pettigrew's extraordinary researches on wings and other adaptations for progres [...]
[...] instinct but one degree higher than that which impels the bee to construct its honey-comb upon sound statical principles. The more civilised workman who merely proceeds according to the “rule of thumb" and the traditions of his trade, is in a similar intellectual condi [...]
[...] his muscles in doing such work in such a manner. To talk of the “dignity of labour” when labour is thus con ducted is merely to indulge in senseless and vicious phrase mongering. The whole life and being of the artisan becomes changed [...]
[...] We must always remember that the character of a man is formed by the daily, hourly, and continuous habits of his life, that no quantity or excellence of mere Sunday ser mons, or occasional evening meetings, can overpower these. The philanthropist who would practically influencee [...]
[...] and through the workshop ; and it appears to me that there are no conceivable means so effectual for this purpose as the converting his bread-winning work from a mere mechanical brutal drudgery into a moral and intellectual exercise. To understand thoroughly the scientific prin [...]
[...] and drowning our fellow creatures 2 I have referred above only to the artisan, but have chosen him and the workshop merely for the sake of typical illustration ; the remarks apply equally to all who are engaged in useful industry, to the distributor as well as [...]
[...] special emphasis to the word “conscious,” believing that the advocates of Technical Education are too apt to regard the subject from a merely technical point of view. It is of the utmost importance that we should be convinced of the perfect harmony which naturally and necessarily exists [...]
[...] prejudice and misconception, leading them to regard the advocates of Technical Education as a set of cold-blooded materialists, who look upon the workman as a mere pro ductive engine which they seek to improve only in order to get more out of him. My opportunities of learning [...]
[...] the commercial result must be to prevent many practical men from purchasing it at all, who would be glad to pos sess those parts relating to their own trades. As a mere picture-book, the confused miscellaneous arrangement may be the most popular, it gives great variety to [...]
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