I snapped one of the crossbars in the aluminum frame of my futon (don't ask how), and was wondering if its possible to repair such a thing with solder? I have an iron and a ton of solder that I never ...

Ah, soldering. It’s great for sticking surface mount parts to a PCB, and it’s really great for holding component legs in a plated through-hole. It also does a pretty great job of holding two spliced ...