Tokyo is the capital of Japan and the largest city in the world by population, with over 37 million people in the greater Tokyo area.

One Piece, created by Eiichiro Oda in 1997, is a popular manga and anime series that follows the adventures of a group of pirates as they search for the ultimate treasure.

The pocket calculator, invented by Sharp in the 1970s, made complex calculations more accessible and convenient for the average person.