Abstract

This paper has been drafted in an attempt to carry out an explicative discussion, as far as possible jargon-free, about the consequences related to the alleged existence of a global symmetry. The Universe in its entirety, hypothesized as being at rest, is assimilated to a four-dimensional ball. Obviously, the reality we are allowed to perceive cannot exceed the three ordinary dimensions. Each point at rest, or better what we perceive as being a point at rest, may be nothing but one of the intersections between a straight line, that crosses the center of the 4-ball, and the boundary of the ball itself. Actually, taking into account the symmetry, we could even state that each point and its antipode are to be considered as being the same thing. In reading the discussion, finalized to establish a qualitative relation between the hypothesized symmetry and the signals’ transmission, it appears quite evident how a shorter line of reasoning could have been followed, so as to make the description more general and elegant: this way, however, the paper would have surely lost most of its explicative capability.

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