Same topic from 7 months ago, without the blogspam: http://news.ycombinator.com/item?id=1308444 http://news.ycombinator.com/item?id=1308444 [video] Some discu

Same topic from 7 months ago, without the blogspam: http://news.ycombinator.com/item?id=1308444 http://news.ycombinator.com/item?id=1308444 [video] Some discussion there. It is effectively long multiplication, with lines and points taking the place of products and digits. The isomorphism is pretty simple.