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Ramapithecus

(Encyclopedia)Ramapithecus räməpəthēˈkəs, –pĭthˈə– [key], former name for an extinct group of primates that lived from about 12 to 14 million years ago, for a time regarded as a possible ancestor of Au...

ultrasonics

(Encyclopedia)ultrasonics, study and application of the energy of sound waves vibrating at frequencies greater than 20,000 cycles per second, i.e., beyond the range of human hearing. The application of sound energy...

race

(Encyclopedia)race, one of the group of populations regarded as constituting humanity. The differences that have historically determined the classification into races are predominantly physical aspects of appearanc...

life support system

(Encyclopedia)life support system: see artificial life support; Life Support for Human Spaceflight under space science. ...

Eliasson, Olafur

(Encyclopedia)Eliasson, Olafur, 1967–, Danish sculptor, architect, and installation artist. His work is influenced by nature and natural phenomena. Early works involved frozen water droplets, electric fans, and s...

Hoar, Ebenezer Rockwood

(Encyclopedia)Hoar, Ebenezer Rockwood, 1816–95, American lawyer, U.S. Attorney General (1869–70), b. Concord, Mass. While serving (1846) in the Massachusetts senate, he declared that he would rather be a “Con...

Gezira, Al

(Encyclopedia)Gezira, Al äl jäzēˈrä [key], region, SE Sudan, occupying the tract between the White and Blue Niles south of their convergence at Khartoum. The Arabic word Gezira means “island” or “peninsu...

Jinja

(Encyclopedia)Jinja jĭnˈjə [key], city (2002 pop. 71,213), SE Uganda, on the Victoria Nile River, near Lake Victoria. It is an industrial city and the commercial and processing center for a region where cotton, ...

Mulholland, William

(Encyclopedia)Mulholland, William, 1855–1935, American engineer, b. Belfast, Ireland. He arrived in Los Angeles in 1877, becoming a laborer for the local water company. Despite his lack of formal training, he eve...

Papp, Joseph

(Encyclopedia)Papp, Joseph, 1921–91, American theatrical director and producer, b. Brooklyn, N.Y. as Joseph Papirofsky. Papp, a major influence in American theater, founded the nonprofit New York Shakespeare Fest...