If the pull-tab has broken off of the zipper on one of your bags or pieces of clothing, a paper clip can serve as a great temporary fix. Simply hook the end of a paper clip through the zipper slider ...

3D Printers are great for printing out parts or items you need, but can they really help if you run out of paper clips? Yes, the all important and extremely overlooked bent metal fastener can put a ...

Let's suppose you need to measure the mass of some water, and you want to construct a scale to do it. But you are in a normal house filled with normal stuff. There’s no fancy scientific equipment. Can ...