Hyper-dodecahedrons, also known as 4D dodecahedrons or pentachora, are geometric shapes that exist in four-dimensional space. While they are interesting mathematical constructs, it is important to note that they do not directly represent the fabric of 4D space-time as described by modern physics.
In the context of general relativity, which is the current framework for understanding gravity and the curvature of space-time, the fabric of 4D space-time is described mathematically using a different approach. General relativity treats space-time as a curved, four-dimensional manifold, where the curvature is influenced by the distribution of matter and energy.
Hyper-dodecahedrons and other geometric shapes in higher dimensions are useful tools in certain mathematical and theoretical contexts, including discussions about higher-dimensional spaces and visualizations of mathematical concepts. However, they are not direct representations of the fabric of space-time as described by our current understanding of physics.
It's worth mentioning that theoretical physics, particularly in areas like string theory and quantum gravity, explores mathematical models and concepts that involve higher dimensions. However, the specific geometric representation of 4D space-time is still an open question and an active area of research. The true nature of higher-dimensional space-time, if it exists, is still being explored and investigated by physicists.