I've never attended a World Expo before, and Osaka Expo 2025 looks like it’s going to be an incredible event. I recently learned that the sushi conveyor belt (kaitenzushi) made its debut at the 1970 Osaka Expo, which I previously wrote about in an article called The Kaitenzushi Revolution. This has made me especially curious about the food innovations and discoveries we’ll see this time around. Several articles in both Japanese and English have already highlighted what visitors can expect fro...