In Japan, there is a festival where people carry portable shrines and then throw them at each other.

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

The airbag, which was co-invented by Yasuzaburo Kobori and Allen K. Breed in the 1980s, has become a standard safety feature in automobiles worldwide.