Monday, August 02, 2010


Parallel dimensions

The term "parallel dimension" makes no sense. A dimension, if parallel to any other dimension, is equal to that other dimension. The dimension would have to be parallel to no preexisting dimensions in order to qualify as a new one. What most users of the term "parallel dimension" probably mean is "parallel cross-section of a higher-dimensional embedding space". I hope this linguistic abomination, now too widespread to correct, does not cause too great a delay in our achievement of faster-than-light travel.

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