Both types of tamahagane are now exactly where they need to be: the hard steel forms the sword's outer shell and deadly blade, while the tough steel serves as the katana's core. This perfect ...

We visit the Okuizumo area of Shimane to see how Japanese steel, tamahagane, was traditionally made. Tesla Cybertruck explosion in Las Vegas: What Musk says caused the blast British Airways' New ...

Japanese swords fascinate collectors around the world. A special kind of steel called tamahagane is required to make them. This miraculous material is strong, flexible, rust-resistant, and ...