Having access to tools can greatly expand an engineer’s ability to build. As technology advances, it tends to become more accessible as it drops in price or increases user-friendliness. Once 3D ...

Have you ever played with Rose’s metal? It’s a fusible alloy of bismuth, lead, and tin with a low melting point of around 100 °C. Historically, it’s been used as a solder for cast iron railings and ...

3D printing is all well and good for prototyping, and it can even produce useful parts. If you want real strenght in plastics, though, or to produce a LOT of parts, you probably want to step up to ...