10. Supplement for Chapter 9: Impression and Comment on “Zero and Emptiness (Vacuum Void) in Physics and Chemistry” by Kazuyoshi Yoshimura

During the latest half century, the sciences, especially the fields of astronomy and astrophysics, have progressed drastically. In particular, the exploration of the beginning of the universe has brought about the concept of “this universe” and “other universes.” We once had a similar concept, “this world,” corresponding to the solar system, in Japan in the 1940s. People believed that there existed another universe, referred to as the netherworld or the great beyond. This belief can be re-interpreted in the context of the recent hypothetical understanding of the black hole, where the surfaces of the universes are faced and may be contacted. To revitalize the intuition of modern people with respect to the concept of multiple universes, it is important to reset the current consciousness and will of people, and to sharpen the sensitivity that mankind is innately endowed with as a consequence of the long process of evolution.