What's your favorite site for hacking on things other than computers?
bounce: As mentioned instructables.com  I heard they were experimenting with a pay wall, but I haven't been on there in a while.
hack ikea
http://ikeahacker.blogspot.com/
found some good stuff here:
http://www.wikihow.com/Main-Page
Upcycling:
https://www.andrew.cmu.edu/user/tetani/upcycleart/htmls/proj...
kinda cheesy
http://forum.doityourself.com/knowing how things work:
http://www.howstuffworks.com/Ready made forums are good but down a lot:
http://www.readymademag.com/forums/