The era between 1901 and 1920 saw an influx of Black inventors in realms including science and engineering. While some of ...
TIANJIN, Jan. 16 (Xinhua) -- Scientists have achieved a major breakthrough in the ... which was the stereospecific assembly of artificial polyhedra with mechanical properties and guest-binding ...
U.S. and Canadian military personnel training Ukrainian soldiers in the use of explosives for door breaching operations. Explosives are typically used in mining, quarrying, demolition, earth ...