Pre-1970s automotive and structural steel was thicker and had higher carbon content than what modern manufacturers use today. Techniques like hammer-welding, lead-loading, and oxy-acetylene torch work ...

AMES, Iowa – Martin Thuo likes to look for new, affordable and clean ways to put science and technology to work in the world. His lab is dedicated to an idea called frugal innovation: “How do you do ...

Boston Metal completed its first run of an industrial reactor that uses electricity to make steel. This article is from The Spark, MIT Technology Review’s weekly climate newsletter. To receive it in ...