English Heinkel He 176 Cited by user Citation bot on 09 Jul 2023 The Heinkel He 176 was a German experimental rocket-powered aircraft. It was the world's first aircraft to be propelled solely by a liquid-fueled rocket, making its…
English Grigory Bakhchivandzhi Cited by user Kursant504 on 19 May 2023 Grigory Yakovlevich Bakhchivandzhi (Григорий Яковлевич Бахчиванджи; 20 February 1909 27 March 1943) was a Soviet fighter pilot and early jet test pilot.
English Calcium permanganate Cited by user AntientNestor on 21 Jun 2022 Calcium permanganate is an oxidizing agent and chemical compound with the chemical formula Ca(MnO4)2.
English Leonid Dushkin Cited by user NeverTry4Me on 23 May 2022 Leonid Stepanovich Dushkin (Леонид Степанович Душкин) (August 15, 1910 in the Spirove settlement of the Tver region – April 4, 1990), was a major pioneer of Soviet…