Not sure where I stumbled across this one. I think I was trying to figure out a cooler way to tie off the ends of my classical guitar strings when I found this. http://brmrg.med.virginia.edu/knots/knots.html Knot Review. Mostly meant for climbing, but I thought it was pretty neat nonetheless.
Firefox config fun If you are not already using http://www.mozilla.org/products/firefox/ Firefox instead of Internet Exploder you should be. Then once you are you should check out http://kb.mozillazine.org/index.phtml?title=Firefox_:_FAQs_:_About:config_Entries About:config Entries. Some cool features that can be enabled/disabled that are not available in the normal Preferences dialog box. Geek out!