Wasabi, a spicy condiment made from a plant similar to horseradish, is often served with sushi and other Japanese dishes.
The karaoke machine, which was invented by Daisuke Inoue in 1971, has become a popular form of entertainment worldwide.
The Shinkansen, or bullet train, is a popular mode of transportation for tourists in Japan, and travels at speeds of up to 320 km/h (200 mph).
