Japan's Top Inventions - Season 4 - Eps 1: Planetariums
The behind-the-scenes tales of hit products and creations from Japan: this is Japan's Top Inventions. This time, planetariums, which realistically reproduce the look of the starry night sky. In 2014, a Japanese firm succeeded in creating a planetarium projector that displays each of the approximately 9,500 stars visible to the naked eye in incredible detail, including accurate coloring. We dive into the story behind the creation of that top invention and learn about the latest models.
About Japan's Top Inventions

Title: Japan's Top Inventions
First Air Date: 2018-03-18
Last Air Date: 2025-03-29
Status: Returning Series
Rating: 0/10 (from 0 votes)
Language: EN
Seasons: 8
Total Episodes: 93
Network: NHK WORLD-JAPAN
Genres: Documentary
Production Companies: NHK, Japan International Broadcasting (JIB)
Synopsis
Japanese inventions are used and loved around the world. Through interviews and reenactments, go behind the scenes and discover how Japanese craftsmanship brought these top inventions into being.