Couple that with Max Tegmark&#x27;s ideas about multiverses.  The idea is that all possible combinations of dimensions exist as a universe.  We see 3+1 dimensions because this is the one combination that&#x27;s most likely to develop life.<p><a href="http:&#x2F;&#x2F;arxiv.org&#x2F;abs&#x2F;0704.0646" rel="nofollow">http:&#x2F;&#x2F;arxiv.org&#x2F;abs&#x2F;0704.0646</a>