Prof. Tachi appeared in "Find your Japan"published by Prime Minister's Office of Japan.
Find your Japan: Technology for a Better World
https://www.youtube.com/watch?v=-dxT7y2g2vI
Published on Oct 29, 2018 by Prime Minister's Office of Japan
Technology and innovation are a foundation of Japan’s competitive edge. Innovative technologies and new ideas to build a better world always emerge all over the country. See how innovative technology will change the way people live and work in Japan.