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Think time with space and movement. Some avenues of research in physics

Abstract : My wish is to provoke a reflection on the question of time, without separating it from that of space, as the theory of relativity invites us to do; but going further into the idea of a conceptual unity (relativity keeps two distinct concepts, two types of instruments, rulers and clocks, and always considers in advance two sets of variables). A reflection of this kind cannot avoid a discussion on how our rationality works in building our knowledge of the world. In composition with the more usual substantial rationality, it is appropriate to speak of a relational rationality: inside the world, we can only make comparisons / oppositions (time is not space, space is not time) without being able to assign to one or the other a list of characters of its own. In this context, we are led to give to movement a primary character (beginning with showing it, before defining it with words). Space and time are derived from it: space is associated with relatively slower movements than those on which we define time. A list of consequences in physics will be proposed: - a look at the "speed" of light; - the twins paradox; - Lorentz transformation and the construction of time; - the relations between quantum mechanics and general relativity from the point of view of their representations of time and space; - the composition of non-collinear Lorentz transformations ... Other avenues of research emerge in humanities and social sciences.
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https://hal-emse.ccsd.cnrs.fr/emse-02944035
Contributor : Fatima Lillouch <>
Submitted on : Monday, September 21, 2020 - 10:29:18 AM
Last modification on : Wednesday, October 14, 2020 - 3:46:25 AM

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  • HAL Id : emse-02944035, version 1

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Bernard Guy. Think time with space and movement. Some avenues of research in physics. AGAPE 2019 - Summer-school of theoretical physics, Pierre Martin-Dussaud (Aix-Marseille Université); Robin Reuben (Universität Hamburg); Alexander Thomas (Université de Strasbourg); Václav Zatloukal (Czech Technical University Prague); Jérémy Attard (Aix-Marseille Université); BRCP (Basic Research Community for Physics), Jul 2019, Mezeyrac, France. ⟨emse-02944035⟩

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