A 2,500-year-old Chinese sword ... copper for flexibility, while the edges have more tin content for hardness and sharpness," the researchers found. "I still can't quite believe this is real ...
I'm a blacksmith, I'm a bladesmith, I'm a silversmith, I also work in copper and tin. I hit things with a hammer. So, that's basically my job. Joe: Swords, made from real metal, being heated ...