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Who said: “Every body perseveres in its state of being at rest or of moving uniformly straight forward, except insofar as it is compelled to change its state by forces impressed.”
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Home > Category Index for Science Quotations > Category Index E > Category: Electrolysis

Electrolysis Quotes (7 quotes)

All your names I and my friend approve of or nearly all as to sense & expression, but I am frightened by their length & sound when compounded. As you will see I have taken deoxide and skaiode because they agree best with my natural standard East and West. I like Anode & Cathode better as to sound, but all to whom I have shewn them have supposed at first that by Anode I meant No way.
Letter (3 May 1834) to William Whewell, who coined the terms. In Frank A. J. L. James (ed.), The Correspondence of Michael Faraday (1993), Vol. 2, 181. Note: Here “No way” is presumably not an idiomatic exclamation, but a misinterpretation from the Greek prefix, -a “not”or “away from,” and hodos meaning “way.” The Greek ἄνοδος anodos means “way up” or “ascent.”
Science quotes on:  |  Nomenclature (129)  |  William Whewell (55)

Although we know nothing of what an atom is, yet we cannot resist forming some idea of a small particle, which represents it to the mind ... there is an immensity of facts which justify us in believing that the atoms of matter are in some way endowed or associated with electrical powers, to which they owe their most striking qualities, and amongst them their mutual chemical affinity.
[Summarizing his investigations in electrolysis.]
Experimental Researches in Electricity (1839), section 852. Cited in Laurie M. Brown, Abraham Pais, Brian Pippard, Twentieth Century Physics (1995), Vol. 1, 51.
Science quotes on:  |  Affinity (11)  |  Atom (251)  |  Charge (29)  |  Particle (90)  |  Representation (27)

I have taken your advice, and the names used are anode cathode anions cations and ions; the last I shall have but little occasion for. I had some hot objections made to them here and found myself very much in the condition of the man with his son and ass who tried to please every body; but when I held up the shield of your authority, it was wonderful to observe how the tone of objection melted away.
Letter to William Whewell, 15 May 1834. In Frank A. J. L. James (ed.), The Correspondence of Michael Faraday (1993), Vol. 2, 186.
Science quotes on:  |  Nomenclature (129)  |  William Whewell (55)

I require a term to express those bodies which can pass to the electrodes, or, as they are usually called, the poles. Substances are frequently spoken of as being electro-negative, or electro-positive, according as they go under the supposed influence of a direct attraction to the positive or negative pole. But these terms are much too significant for the use to which I should have to put them; for though the meanings are perhaps right, they are only hypothetical, and may be wrong; and then, through a very imperceptible, but still very dangerous, because continual, influence, they do great injury to science, by contracting and limiting the habitual view of those engaged in pursuing it. I propose to distinguish these bodies by calling those anions which go to the anode of the decomposing body; and those passing to the cathode, cations; and when I have occasion to speak of these together, I shall call them ions.
Philosophical Transactions of the Royal Society of London, 1834, 124, 79.
Science quotes on:  |  Nomenclature (129)

I wanted some new names to express my facts in Electrical science without involving more theory than I could help & applied to a friend Dr Nicholl [his doctor], who has given me some that I intend to adopt for instance, a body decomposable by the passage of the Electric current, I call an ‘electrolyte’ and instead of saying that water is electro chemically decomposed I say it is ‘electrolyzed’. The intensity above which a body is decomposed beneath which it conducts without decomposition I call the ‘Electrolyte intensity’ &c &c. What have been called: the poles of the battery I call the electrodes they are not merely surfaces of metal, but even of water & air, to which the term poles could hardly apply without receiving a new sense. Electrolytes must consist of two parts which during the electrolization, are determined the one in the one direction, and the other towards the poles where they are evolved; these evolved substances I call zetodes, which are therefore the direct constituents of electrolites.
Letter to William Whewell (24 Apr 1834). In Frank A. J. L. James (ed.), The Correspondence of Michael Faraday: Volume 2, 1832-1840 (1993), 176.
Science quotes on:  |  Nomenclature (129)

The influence of electricity in producing decompositions, although of inestimable value as an instrument of discovery in chemical inquiries, can hardly be said to have been applied to the practical purposes of life, until the same powerful genius [Davy] which detected the principle, applied it, by a singular felicity of reasoning, to arrest the corrosion of the copper-sheathing of vessels. … this was regarded as by Laplace as the greatest of Sir Humphry's discoveries.
Reflections on the Decline of Science in England (1830), 16.
Science quotes on:  |  Corrosion (3)  |  Sir Humphry Davy (45)  |  Invention (283)  |  Pierre-Simon Laplace (50)

The phosphorous smell which is developed when electricity (to speak the profane language) is passing from the points of a conductor into air, or when lightning happens to fall upon some terrestrial object, or when water is electrolysed, has been engaging my attention the last couple of years, and induced me to make many attempts at clearing up that mysterious phenomenon. Though baffled for a long time, at last, I think, I have succeeded so far as to have got the clue which will lead to the discovery of the true cause of the smell in question.
[His first reference to investigating ozone, for which he is remembered.]
Letter to Michael Faraday (4 Apr 1840), The Letters of Faraday and Schoenbein, 1836-1862 (1899), 73. This letter was communicated to the Royal Society on 7 May, and an abstract published in the Philosophical Magazine.
Science quotes on:  |  Attention (76)  |  Baffle (4)  |  Cause (231)  |  Clue (14)  |  Conductor (8)  |  Discovery (591)  |  Electricity (121)  |  Investigate (49)  |  Language (155)  |  Lightning (28)  |  Mystery (125)  |  Ozone (3)  |  Phenomenon (218)  |  Phosphorus (15)  |  Point (72)  |  Profane (6)  |  Research (517)  |  Smell (16)  |  Success (202)

Carl Sagan Thumbnail In science it often happens that scientists say, 'You know that's a really good argument; my position is mistaken,' and then they would actually change their minds and you never hear that old view from them again. They really do it. It doesn't happen as often as it should, because scientists are human and change is sometimes painful. But it happens every day. I cannot recall the last time something like that happened in politics or religion. (1987) -- Carl Sagan
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