I play chess, and I know from deductive reasoning that there is infinite space in the universe. It is interesting to think what a border to space would look like and what would happen to matter if it came in contact with or crossed this border. But one does not have to think long to realize that matter is a spacial thing, and therefore, could not cross into non-space without losing this property. The other interesting contemplation is which dimension would the border belong, the space dimension, or the non-space dimension? The reason this is interesting is in trying to answer the question, "Where does space end?"
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