Japan is a constitutional monarchy, with the Emperor as a symbolic head of state and the Prime Minister as the head of government.
The Hells of Beppu in Beppu, a city on the island of Kyushu, are a series of hot springs that are too hot for bathing, but are a unique and interesting sight to see.
The pocket calculator, invented by Sharp in the 1970s, made complex calculations more accessible and convenient for the average person.