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On the speed of light

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We present a straightforward conceptual framework adapting the classical ideas introduced by Einstein and describe a realistic experiment to determine eventual anisotropies in the one-way speed of light independently of specific clock synchronization procedures. This establishes that we are not free to define either the one-way speed of light or time itself and must rely instead on further empirical observations to clarify these concepts, contrary to what was originally proposed in 1905.

Keywords: Clock Synchronization Procedures; One-Way Speed of Light Measurement; Special Relativity; Speed of Light

Document Type: Research Article

Publication date: 07 December 2017

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  • Physics Essays has been established as an international journal dedicated to theoretical and experimental aspects of fundamental problems in Physics and, generally, to the advancement of basic knowledge of Physics. The Journal's mandate is to publish rigorous and methodological examinations of past, current, and advanced concepts, methods and results in physics research. Physics Essays dedicates itself to the publication of stimulating exploratory, and original papers in a variety of physics disciplines, such as spectroscopy, quantum mechanics, particle physics, electromagnetic theory, astrophysics, space physics, mathematical methods in physics, plasma physics, philosophical aspects of physics, chemical physics, and relativity.
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