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Measurements | Poundstone | I 98-104 Duplication/ratios/knowledge/perception/Poincaré: Assumed, overnight all lengths have doubled - would we notice something? - Poincaré: No! >H. Poincaré. I 102f SchlesingerVsPoincaré: different changes: Gravity: 1/4 as strong as before, density: 1/8, air pressure: 1/8, - a mercury thermometer bursts. Pendulum: Day length is longer by √2.- The speed of light is growing by the same factor (measured by Pendulum). Other clocks: no slower (spring force). >Speed of light. Open question: whether the other conservation laws remain constant. >Conservation laws, >Symmetries/Physics. I 104 When all the atoms are increased, then the electron has to cope the uphill quantum leap with double the distance and needs a doubled energy expenditure - this will result in a huge temperature drop. I 120 The ranking of pleasure and displeasure feelings and preferences does not change. >Preferences. |
Poundstone I William Poundstone Labyrinths of Reason, NY, 1988 German Edition: Im Labyrinth des Denkens Hamburg 1995 |
Measurements | Russell | B. Russell, ABC of Relativity II 138 Measuring/Russell: always contains an element of convention - E.g. size of an electron: we always have to make two comparisons: 1) between an electron at different times 2) two electrons at the same time. Absurd: to assume that all the electrons were bigger or smaller in a different area. That would also affect the measuring device - therefore it would not be detectable. Size of an electron: is therefore a convention. In contrast, the mass of an electron is not a convention! Because we can compare the effects of two electrons on a third one - if it is the same under the same circumstances, we can infer equality of mass which is not based on convention. II 140 Symmetry conditions/Russell: can be produced completely by measuring conventions - therefore there is no reason to believe that they are a property of the world. >Symmetries/Physics, >Convention. |
Russell I B. Russell/A.N. Whitehead Principia Mathematica Frankfurt 1986 Russell II B. Russell The ABC of Relativity, London 1958, 1969 German Edition: Das ABC der Relativitätstheorie Frankfurt 1989 Russell IV B. Russell The Problems of Philosophy, Oxford 1912 German Edition: Probleme der Philosophie Frankfurt 1967 Russell VI B. Russell "The Philosophy of Logical Atomism", in: B. Russell, Logic and KNowledge, ed. R. Ch. Marsh, London 1956, pp. 200-202 German Edition: Die Philosophie des logischen Atomismus In Eigennamen, U. Wolf (Hg) Frankfurt 1993 Russell VII B. Russell On the Nature of Truth and Falsehood, in: B. Russell, The Problems of Philosophy, Oxford 1912 - Dt. "Wahrheit und Falschheit" In Wahrheitstheorien, G. Skirbekk (Hg) Frankfurt 1996 |
Time | Poundstone | I 108 Time/Poundstone: you would not realise if the time would stop temporarily. - You can know that it has not stopped last night or three minutes ago. I 366 Time/Poundstone: we could not find that the time stops if it did. >Time, >Past, >Future, >Present, >Time Travel, >Time Reversal, >Symmetries/Physics, cf. >Time/Kant. |
Poundstone I William Poundstone Labyrinths of Reason, NY, 1988 German Edition: Im Labyrinth des Denkens Hamburg 1995 |
Time Reversal | Baudrillard | Sokal I 171 Time Reversal/Baudrillard/Bricmont/Sokal: (Baudrillard 1991)(1): Baudrillard speaks here of a reversibility of the causal order...triumph of effect over cause.... "floundering and fuzziness of laws"... "possible reversibility".... SokalVsBaudrillard: It is difficult to decide what Baudrillard means by "reversing" a physical law." In physics, one speaks of the reversibility of laws as an abbreviation for "invariance to time reversal. This applies to all physical laws except that of the weak interaction. >Symmetries/Physics. Sokal I 172 However, this is already valid for Newtonian mechanics. On the contrary, a new discovery is that of the non-reversibility of the weak interactions in 1964. Causality/Sokal: Anyway, the reversibility of the physical laws has nothing to do with an alleged "reversibility of the causal order". ((s) explanation/(s): Physics is represented in equations. In these equations there are no causes and effects.) >Causality, >Time, >Cause, >Effect, >Natural laws, >Physics. For the correct use of physical concepts see >Sokal/Bricmont. 1. J. Baudrillard Die fatalen Strategien, München, 1991. |
Baud I J. Baudrillard Simulacra and Simulation (Body, in Theory: Histories) Ann Arbor 1994 Baud II Jean Baudrillard Symbolic Exchange and Death, London 1993 German Edition: Der symbolische Tausch und der Tod Berlin 2009 Sokal I Alan Sokal Jean Bricmont Fashionabel Nonsense. Postmodern Intellectuals Abuse of Science, New York 1998 German Edition: Eleganter Unsinn. Wie die Denker der Postmoderne die Wissenschaften missbrauchen München 1999 Sokal II Alan Sokal Fashionable Nonsense: Postmodern Intellectuals’ Abuse of Science New York 1999 |
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