麻省理工学院的工程师3D在短短3小时内就打印出一台工作电动机. 科学和事实

MBDA and Ukrainian Armor signed an MoU in Berlin to develop deep-strike and counter-drone capabilities. 在此之前 1 天数 ❗️An explosion and fire were reported at the Arsenal machine-building plant in St. 在此之前 3 天数 The original creator of the Chattering Teeth toy, patented in 1949, Eddy Goldfarb, is still alive and inventing and making toys at the age of 105 with 3D printing technology.Did you know? 🎓 在此之前 4 天数 ❗️Fuel shortages in occupied Sevastopol are getting worse after authorities announced open AI-92 gasoline sales at only three ATAN stations. 在此之前 4 天数