Notable Explorers Christopher Columbus See also Columbus and Other Explorers Notable Women Adventurers People in the NewsRecent Obituaries Related Links Quiz:…
Adrenaline: (isolation of) John Jacob Abel, U.S., 1897. Aerosol can: Erik Rotheim, Norway, 1926. Air brake: George Westinghouse, U.S., 1868. Air conditioning: Willis Carrier, U.S., 1911.…
Walter Gieseking
See also Notable Women Musicians and Dancers Notable African-American Musicians Notable African-American Visual and Performing Artists Asian American Artists and…
(Encyclopedia) Hall effect, experiment that shows the sign of the charge carriers in a conductor. In 1879 E. H. Hall discovered that when he placed a metal strip carrying a current in a magnetic…
(Encyclopedia) Oberth, Hermann Julius, 1894–1989, Austro-German astronautical pioneer, b. Hermannstadt, Austria-Hungary (now Sibiu, Romania). Beginning his studies in astronautics before World War I…
(Encyclopedia) Tristram and IsoldeTristram and Isoldetrĭsˈtrəm, ĭsōlˈdə, ĭzōlˈ– [key], medieval romance. The earliest extant version (incomplete) was written (c.1185) by Thomas of Britain in Anglo-…
(Encyclopedia) ChimuChimuchēm&oomacr;ˈ [key], ancient civilization on the desert coast of N Peru. It is believed to have begun c.1200. The Moche, an earlier civilization, was previously known as…
