Most people probably don’t think about springs until one kinks up or snaps, but most of the world’s springs are pretty crucial. The ones that aren’t go by the name Slinky. We all use and encounter ...

Ask anyone who’s ever lowered or lifted a truck and needed to compress a coil spring how nerve racking it can be. Truck coil springs are large and designed to hold the weight of a 4,500-5,500-pound ...