Kendo, a martial art that uses bamboo swords and protective armor, is a popular sport in Japan and is often taught in schools.

The Japanese weasel is a small carnivorous mammal that is common throughout Japan and is known for its agility and ferocity.

The 3D printing technology, developed by Dainippon Screen in the 1980s, has revolutionized manufacturing and made it possible to create complex objects with ease.