crowning mechanism
1History of science and technology in China — Inventions …
2List of Chinese inventions — A bronze Chinese crossbow mechanism with a buttplate (the wooden components have …
3Su Song — 蘇頌 (Sū Sòng) Born 1020 near Quanzhou Died 1101 (aged 80–81) Nationality Chinese …
4nucleic acid — /nooh klee ik, klay , nyooh /, Biochem. any of a group of long, linear macromolecules, either DNA or various types of RNA, that carry genetic information directing all cellular functions: composed of linked nucleotides. [1890 95; NUCLE(US) + IC;… …
5Eastern span replacement of the San Francisco — San Francisco – Oakland Bay Bridge (eastern span replacement) Artistic rendition of the new eastern span of the Bay Bridge seen from Treasure Island (ca. 2014) Official name To be determ …
6Nicolas Mathieu Rieussec — Born Nicolas Mathieu Rieussec July 20, 1781(1781 07 20) Paris, France Died June 18, 1866(1866 06 18) (aged 84) Paris, France Occupation Watchmaker, inventor, businessman …
7Rudolf Hermann Lotze — Infobox Philosopher region = Western Philosophy era = 19th century philosophy color = #B0C4DE image caption = Hermann Lotze name = Rudolf Hermann Lotze birth = birth date|1817|5|21|df=y Bautzen, Saxony death = death date and… …
8Artillery — For other uses of the term, see Artillery (disambiguation). Warfare Military history Eras Prehistoric Ancient …
9History of science — History of science …
10Russia — /rush euh/, n. 1. Also called Russian Empire. Russian, Rossiya. a former empire in E Europe and N and W Asia: overthrown by the Russian Revolution 1917. Cap.: St. Petersburg (1703 1917). 2. See Union of Soviet Socialist Republics. 3. See Russian… …
