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

The Heian period, which lasted from the 8th to the 12th century, was a time of great cultural and artistic achievement in Japan.

Ghost in the Shell, created by Masamune Shirow in 1989, is a popular anime and manga series that explores themes of cybernetics, artificial intelligence, and the nature of humanity.