29 June 2024 year is fulfilled 150 years since the birthday of Volodymyr Volodymyrovych Ryumin, a scientist, an engineer, teacher, popularizer of science and technology. After graduating from the Kharkiv Institute of Technology, he came to Mykolaiv and lived in our city all his life. IN. Ryumin is the author of more 100 books and 1000 scientific and popular scientific articles, […]