Category:
Research Papers
Sub-Category:
Relativity Theory
Date Published:
April 9, 2025
Keywords:
Galileo Galilei, preinertia, uniform relative motion, absolute motion, detection of absolute motion.
Abstract:
This article reproduces a text in which Galileo describes preinertia, although without using this word but expressions such as "natural instinct", or "primary instinct", or even a "marvelous effect in Nature". Preinertia is a universal property of all physical objects by virtue of which they inherit the motion of the proper reference frame from which they are set in motion, making it impossible to detect the possible absolute motion of that frame, an impossibility to which Galileo also refers. It is surprising that 393 years after Galileo's publication, physicists (prisoners of mechanical relativism) have not yet rediscovered preinertia. The article includes bibliographical references dealing with preinertia as the fundamental property of all physical objects that makes it possible to demonstrate in formal terms that motion is really absolute, and through the same real physical space.
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