Do not deal with the latest ideas in science and technology. Do not try to explain easily for nonspecialist of science and technology. Cover some instruments used in science and technology. A small project that has a different concept from Cafe Scientifique in Japan.
Instruments used in scientific research, such as drawing instruments, slide rules, PRN caluculators. (Wriiten in Japanese)
Texture observation of liquid crystals under a polaruzed light microscope.
Topics
Japanese old science books and scientific toys.(Wriiten in Japanese)