mathematics

stellar flares tying themselves into knots Things to see and do
The Capital Museum in Beijing has 12 workshops every week, from Tuesday to Saturday, both in the morning and afternoon. Are the workshops just for local kids? Are they just for around New Years? Unknown at this time, but one of the things you can do is to learnj how to "knitting Chinese knots," among other Chinese handcrafts.
http://www.chinadaily.com.cn/china/2009-02/09/content_7457982.htm

Hmm, over in Toronto at BeadFX they've imported someone from Mexico to teach Chinese knotting. What's up with that? (via)
http://www.beadfx.com/classes/class-angelapeace-chineseknotting.jsp

Blogs

nonagonal (9 sided) good luck knot Last but not least is the nonagonal good luck knot. More accurately Greek vs Latin, the term enneagonon is more "correct", but nonagon is the more popular and commonly used term. Plus there's this whole ennegram/enneagram personality thing to confuse matters. Best to stick with nonagon, am I right?!? 8)

heptagonal (7 sided) good luck knot Behold the Heptagonal good luck knot. An alternate term for a seven sided figure is septagon, but in an effort to minimize confusion, let's stick with "heptagon".