Liu Hu's scientific and technological inventions and popular science

In terms of scientific and technological inventions, Liu Hu has extensive contacts with individual inventions, and in 2004, he participated in the organization of the invention alliance. He attached importance to the innovative education of young people, and held four open classes on the theory of invention and creation, guiding dozens of middle school students to carry out invention and creation activities and apply for patents. Among the students he helped, four of them won the first prize in the Chinese mainland Youth Invention (Innovation) Competition at or above the provincial level. Other related figures include Iulian Rosu (Gold Award in National Invention Exhibition) and Lu Yulong (Second Prize in National Youth Science and Technology Innovation Competition). In terms of general science and technology hobbies (different from special science and technology hobbies), Liu Hu is one of the founders of Sichuan Amateur Radio Association, and has written many popular science articles for radio enthusiasts in magazines such as Radio and Professional Radio Communication. 5. During the 1 2 Wenchuan earthquake, the amateur radio emergency communication network under his command contacted more than 3,000 radio enthusiasts, provided support services for more than 30,000 trains in the disaster area, and provided communication dispatching services for more than110,000 disaster relief volunteers through amateur radio. More than 20 mainland media such as China CCTV and People's Daily reported on it, and Hunan Satellite TV produced special programs, which effectively promoted the status of science and technology hobbies in social services.