A previous interesting discussion of Abbot's <i>Flatland</i>: <a href="https://news.ycombinator.com/item?id=11890436" rel="nofollow">https://news.ycombinator.com/item?id=11890436</a><p>And the article that sparked it: <a href="http://publicdomainreview.org/2011/09/19/aspiring-to-a-higher-plane/" rel="nofollow">http://publicdomainreview.org/2011/09/19/aspiring-to-a-highe...</a>