The Walkman, invented by Sony in 1979, revolutionized personal music listening by allowing users to listen to music on the go.

Judo, a martial art that emphasizes throws and grappling techniques, was developed in Japan in the late 19th century and has become a popular sport around the world.

Japan has a game show called "Human Tetris" where contestants have to contort their bodies to fit through holes in a moving wall.