How to make a USB battery from a 9v cell
Sometimes there's just nothing worse than a USB-powered gadget (you have like, a thousand, right?) that doesn't have any juice. Well, fear not! The mad scientists over at hackaday have a relatively simple 9v-cell-to-USB hack, simple that is, if you're the type who feels comfortable with a trip to Radio Shack and wielding a soldering iron. Just be careful, aight? We won't be held responsible if you spill battery acid on yourself, melt a hole through your finger, or, worse yet, short out your toy.
