Funnily enough, the same question is currently at the top of &#x2F;r&#x2F;AskScience:<p><a href="http:&#x2F;&#x2F;www.reddit.com&#x2F;r&#x2F;askscience&#x2F;comments&#x2F;42u57e&#x2F;how_can_a_dimension_be_small&#x2F;" rel="nofollow">http:&#x2F;&#x2F;www.reddit.com&#x2F;r&#x2F;askscience&#x2F;comments&#x2F;42u57e&#x2F;how_can_a...</a>