With the vigorous promotion of smart city construction, smart traffic, smart medical care, smart security, smart energy, etc. are all vigorously concerned. Urban construction, traffic first, and intelligent transportation have become important driving forces for economic development. They have also become more integrated into all fields of social life. They have changed people‘s lives and working methods and played an important role in the smart urban construction....

Recently, QbeamLab, the first-generation open source electron beam metal 3D printer in China, was officially released at Tianjin High-end Equipment Research Institute of Tsinghua University. Lin Feng, Chief Scientist of Tsinghua University, He Yongyong, Executive Vice President of Tianjin High-end Equipment Research Institute of Tsinghua University, Science and Technology Commission of Toray District, Director of Management Committee of Huaming High-tech Zone, Fu Sheng, Ministry of Industry and Information Technology of the PRC for Additive M...