Sometimes you run across an idea that is so simple but so profound that you just have to sit back in wonder.
I have been working a lot with chain and plat sinnets the last week or so, playing with various ideas to see what I can come up with that could be used in "survival' situations, (or just for fun) so when I saw a video over at TED on someone who had been crocheting models of coral reefs, I had to check it out. (crochet is a special application of different chain sinnet knotting techniques) What I found was brilliant!
So I give you Margaret Wertheim on the beautiful math of coral.
WARNING: Watching this will probably make you smarter