Heinrich Hertz: Classical Physicist, Modern Philosopher by Dieter Hoffmann (auth.), Davis Baird, R. I. G. Hughes,

By Dieter Hoffmann (auth.), Davis Baird, R. I. G. Hughes, Alfred Nordmann (eds.)

The sub-title of this symposium is exact and, in a curious manner, can provide greater than it states: Classical Physicist, Modem thinker. Heinrich Hertz, because the con­ summate experimentalist of nineteenth century method and as remarkable clarifying critic of actual concept of his time, completed one of many fulfilments yet while opened one of many transition issues of classical physics. hence, in his 'popular' lecture 'On the kin among mild and electrical energy' at Heidelberg within the Fall of 1889, Hertz pointed out the ether as henceforth the main primary challenge of physics, because the conceptual secret but in addition the major to realizing mass, electrical­ ity, and gravity. Of Hertz's demonstration of electrical waves, Helmholtz instructed the actual Society of Berlin: "Gentlemen! i must converse to you this day an important actual discovery of the century. " Hertz, philosophizing in his direct, lucid, pithy variety, as soon as wrote "We need to imagine". probably this can be metaphysics at the horizon? within the early pages of his ideas of Mechanics, we learn A doubt which makes an effect on our brain can't be got rid of through calling it metaphysical: each considerate brain as such has wishes which medical males are familiar with denote as metaphysical. (PM23) And at one other position, about the phrases 'force' and 'electricity' and the alleged secret in their natures, Hertz wrote: we have now an imprecise feeling of this and need to have issues cleared up.

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Extra resources for Heinrich Hertz: Classical Physicist, Modern Philosopher

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8 When he tries in some passages of his public speeches to illustrate the relation between sign and image by drawing on the example of the arts, one has the impression that he places the concept of image in a third, more comprehensive meaning above the concept of sign? In this interpretation, the concept of image is akin to the concept of a work of art. It has a content which extends beyond the relationship of equality or similarity, and this content belongs only to the image but not to its object.

See, for example, Kuczera 1983, D'Agostino 1990, Hacker 1986. Cf. note 7. ). 21 Therefore, this is an inessential relation (cf. ) 22 Hertz's uncertainty on the epistemological status of hidden masses is stressed by D' Agostino 1990, p. 60. 23 For Hertz's ether theory and its influence in German physics, see Breunig 1988 and Grigorjan and Polak 1964. 24 A theory would thus be incorrect if one of its statements did not agree with the Principle of Conservation of Energy, but could still be related to experience.

The time period for a complete cycle shown is about 18 nanoseconds (18 x J0-9 second). 4 m). In 1927 the British writer Rollo Appleyard visited the University of Karlsruhe, and was shown a set of replicas of Hertz's apparatus which he then photographed (Appleyard 1930, 122). Appleyard's technical descriptions are wanting, however, and he shows no laboratory items. Numerous other writers have published photographs of apparatus at the Deutsches Museum, but, typically, with no useful technical information.

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