Making silicone molds seems easy, but there are a lot of missteps to be made along the way that can mean the difference between a great, reusable mold, and one that’s a sad waste of silicone. If ...

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 ...

Controlling the shape of tiny, inorganic structures could help us build light harvesting devices and other nanophotonic equipment. Previous methods for making them were limited in terms of controlling ...

Forbes contributors publish independent expert analyses and insights. An author, speaker, and executive, I explore the world's industries. One of the promises of 3-D printing is that it presents the ...

Pouring molten metal into three-dimensional molds to make metal parts is the basis behind both sand and investment casting. But there are significant differences between these two methods. In sand ...