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Hermann Von Helmholtz Quotes

Windmills, which are used in the great plains of Holland and North Germany to supply the want of falling water, afford another instance of the action of velocity. The sails are driven by air in motion - by wind Picture Quote #1

Reason we call that faculty innate in us of discovering laws and applying them with thought Picture Quote #1

But heat can also be produced by the friction of liquids, in which there could be no question of changes in structure, or of the liberation of latent heat Picture Quote #1

A metaphysical conclusion is either a false conclusion or a concealed experimental conclusion Picture Quote #1

The smallest quantity of alcohol scares away novel ideas Picture Quote #1

A moving body whose motion was not retarded by any resisting force would continue to move to all eternity Picture Quote #1

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You all know how powerful and varied are the effects of which steam engines are capable; with them has really begun the great development of industry which has characterised our century before all others Picture Quote #1

What appeared to the earlier physicists to be the constant quantity of heat is nothing more than the whole motive power of the motion of heat, which remains constant so long as it is not transformed into other forms of work, or results afresh from them Picture Quote #1

The older view of the nature of heat was that it is a substance, very fine and imponderable indeed, but indestructible, and unchangeable in quantity, which is an essential fundamental property of all matter Picture Quote #1

Now, the external work of man is of the most varied kind as regards the force or ease, the form and rapidity, of the motions used on it, and the kind of work produced Picture Quote #1

Iron which is brought near a spiral of copper wire, traversed by an electrical current, becomes magnetic, and then attracts other pieces of iron, or a suitably placed steel magnet Picture Quote #1

Heat can also be produced by the impact of imperfectly elastic bodies as well as by friction. This is the case, for instance, when we produce fire by striking flint against steel, or when an iron bar is worked for some time by powerful blows of the hammer Picture Quote #1

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A raised weight can produce work, but in doing so it must necessarily sink from its height, and, when it has fallen as deep as it can fall, its gravity remains as before, but it can no longer do work Picture Quote #1

I then endeavoured to show that it is more especially in the thorough conformity with law which natural phenomena and natural products exhibit, and in the comparative ease with which laws can be stated, that this difference exists Picture Quote #1

Just as a physicist has to examine the telescope and galvanometer with which he is working; has to get a clear conception of what he can attain with them, and how they may deceive him; so, too, it seemed to me necessary to investigate likewise the capabilities of our power of thought Picture Quote #1

I think the facts leave no doubt that the very mightiest among the chemical forces are of electric origin. The atoms cling to their electric charges, and opposite electric charges cling to each other Picture Quote #1

Black is real sensation, even if it is produced by entire absence of light. The sensation of black is distinctly different from the lack of all sensations Picture Quote #1

Whoever, in the pursuit of science, seeks after immediate practical utility, may generally rest assured that he will seek in vain Picture Quote #1

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Isolated facts and experiments have in themselves no value, however great their number may be. They only become valuable in a theoretical or practical point of view when they make us acquainted with the law of a series of uniformly recurring phenomena, or, it may be, only give a negative result showing an incompleteness in our knowledge of such a law, till then held to be perfect Picture Quote #1

The total quantity of all the forces capable of work in the whole universe remains eternal and unchanged throughout all their changes. All change in nature amounts to this, that force can change its form and locality, without its quantity being changed. The universe possesses, once for all, a store of force which is not altered by any change of phenomena, can neither be increased nor diminished, and which maintains any change which takes place on it Picture Quote #1

Music stands in a much closer connection with pure sensation than any of the other arts Picture Quote #1

Not that I wish by any means to deny, that the mental life of individuals and peoples is also in conformity with law, as is the object of philosophical, philological, historical, moral, and social sciences to establish Picture Quote #1

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Windmills, which are used in the great plains of Holland and North Germany to supply the want of falling water, afford another instance of the action of velocity. The sails are driven by air in motion - by wind (Hermann Von Helmholtz Quotes) Reason we call that faculty innate in us of discovering laws and applying them with thought (Hermann Von Helmholtz Quotes) But heat can also be produced by the friction of liquids, in which there could be no question of changes in structure, or of the liberation of latent heat (Hermann Von Helmholtz Quotes) A metaphysical conclusion is either a false conclusion or a concealed experimental conclusion (Hermann Von Helmholtz Quotes) The smallest quantity of alcohol scares away novel ideas (Hermann Von Helmholtz Quotes) A moving body whose motion was not retarded by any resisting force would continue to move to all eternity (Hermann Von Helmholtz Quotes) You all know how powerful and varied are the effects of which steam engines are capable; with them has really begun the great development of industry which has characterised our century before all others (Hermann Von Helmholtz Quotes) What appeared to the earlier physicists to be the constant quantity of heat is nothing more than the whole motive power of the motion of heat, which remains constant so long as it is not transformed into other forms of work, or results afresh from them (Hermann Von Helmholtz Quotes) The older view of the nature of heat was that it is a substance, very fine and imponderable indeed, but indestructible, and unchangeable in quantity, which is an essential fundamental property of all matter (Hermann Von Helmholtz Quotes) Now, the external work of man is of the most varied kind as regards the force or ease, the form and rapidity, of the motions used on it, and the kind of work produced (Hermann Von Helmholtz Quotes) Iron which is brought near a spiral of copper wire, traversed by an electrical current, becomes magnetic, and then attracts other pieces of iron, or a suitably placed steel magnet (Hermann Von Helmholtz Quotes) Heat can also be produced by the impact of imperfectly elastic bodies as well as by friction. This is the case, for instance, when we produce fire by striking flint against steel, or when an iron bar is worked for some time by powerful blows of the hammer (Hermann Von Helmholtz Quotes) A raised weight can produce work, but in doing so it must necessarily sink from its height, and, when it has fallen as deep as it can fall, its gravity remains as before, but it can no longer do work (Hermann Von Helmholtz Quotes) I then endeavoured to show that it is more especially in the thorough conformity with law which natural phenomena and natural products exhibit, and in the comparative ease with which laws can be stated, that this difference exists (Hermann Von Helmholtz Quotes) Just as a physicist has to examine the telescope and galvanometer with which he is working; has to get a clear conception of what he can attain with them, and how they may deceive him; so, too, it seemed to me necessary to investigate likewise the capabilities of our power of thought (Hermann Von Helmholtz Quotes) I think the facts leave no doubt that the very mightiest among the chemical forces are of electric origin. The atoms cling to their electric charges, and opposite electric charges cling to each other (Hermann Von Helmholtz Quotes) Black is real sensation, even if it is produced by entire absence of light. The sensation of black is distinctly different from the lack of all sensations (Hermann Von Helmholtz Quotes) Whoever, in the pursuit of science, seeks after immediate practical utility, may generally rest assured that he will seek in vain (Hermann Von Helmholtz Quotes) Isolated facts and experiments have in themselves no value, however great their number may be. They only become valuable in a theoretical or practical point of view when they make us acquainted with the law of a series of uniformly recurring phenomena, or, it may be, only give a negative result showing an incompleteness in our knowledge of such a law, till then held to be perfect (Hermann Von Helmholtz Quotes) The total quantity of all the forces capable of work in the whole universe remains eternal and unchanged throughout all their changes. All change in nature amounts to this, that force can change its form and locality, without its quantity being changed. The universe possesses, once for all, a store of force which is not altered by any change of phenomena, can neither be increased nor diminished, and which maintains any change which takes place on it (Hermann Von Helmholtz Quotes) Music stands in a much closer connection with pure sensation than any of the other arts (Hermann Von Helmholtz Quotes) Not that I wish by any means to deny, that the mental life of individuals and peoples is also in conformity with law, as is the object of philosophical, philological, historical, moral, and social sciences to establish (Hermann Von Helmholtz Quotes)