(Encyclopedia) kite, in aviation, aircraft restrained by a towline and deriving its lift from the aerodynamic action of the wind flowing across it. Commonly the kite consists of a light framework…
(Encyclopedia) BeatrixBeatrixbēˈətrĭks, bē-ăˈtrĭks [key], 1938–, queen of the Netherlands (1980–2013). The oldest daughter of Queen Juliana of the Netherlands and Prince Bernhard of Lippe-Biesterfeld…
Distributor:Discovery Channel School This educational video follows the conquests of Alexander the Great, explores the philosophies of Socrates and Plato, and highlights the mythology of Homer’s…
(Encyclopedia) Smoky, river, c.250 mi (400 km) long, rising in Jasper National Park, W Alta., Canada, and flowing generally NE to the Peace River. It receives the Wapiti and Little Smoky rivers. It…
Born: 1915Birthplace: Battle Creek, Mich. Semi-synthetic penicillin—For almost 30 years after Sir Alexander Fleming's discovery of penicillin, the process for harvesting the drug took months to…
(Encyclopedia) EpaminondasEpaminondasĭpămĭnŏnˈdəs [key], d. 362 b.c., Greek general of Thebes. He was a pupil of Lysias the Pythagorean, but his early life is otherwise obscure. As the Theban…
