Graphite shafts are nothing new. They’ve been in drivers and fairway woods for decades, nearly every hybrid comes with a graphite shaft, but irons are a different story.

As pressure mounts to meet net-zero targets, iron ore miners are confronting a new reality: steelmakers, their primary ...

This article was originally published with the title “Bronze vs. Steel and Iron for Field Artillery” in Scientific American Magazine Vol. 23 No. 14 (October 1870), p. 208 doi:10.1038 ...