(Encyclopedia) Geim, Sir Andre Konstantinovich, 1958–, Russian-born Dutch physicist, Ph.D. Russian Academy of Sciences, 1987. He was a professor at the Univ. of Nijmegen in the Netherlands from 1994…
(Encyclopedia) Diamond, Peter Arthur, 1940–, American economist, b. New York City, Ph.D. Massachusetts Institute of Technology, 1963. Diamond was a professor at the Univ. of California, Berkeley,…
(Encyclopedia) UdaipurUdaipur&oomacr;dĭp&oobreve;rˈ, &oomacr;dīˈp&oobreve;r [key] or MewarUdaipurmāwärˈ [key], city and former princely state, now part of Rajasthan state, NW India.…
(Encyclopedia) ultimatumultimatumŭlˌtĭmāˈtəm [key], in international law, final, definitive terms submitted by one disputant nation to the other for immediate acceptance or rejection. Since refusal…
(Encyclopedia) isomorphismisomorphismīˌsəmôrˈfĭzəm [key], of minerals, similarity of crystal structure between two or more distinct substances. Sodium nitrate and calcium sulfate are isomorphous, as…
(Encyclopedia) Hansen, James Edward, 1941–, American astrophysicist and climatologist, b. Denison, Iowa, Ph.D. Univ. of Iowa, 1967. In 1967 he joined the Goddard Institute for Space Studies, and…
(Encyclopedia) Kiefer, AnselmKiefer, Anselmkēˈfər [key], 1945–, German painter. One of the major figures of neoexpressionism, he studied (1970) with Joseph Beuys, who heavily influenced his work. His…
(Encyclopedia) surface tension, tendency of liquids to reduce their exposed surface to the smallest possible area. A drop of water, for example, tends to assume the shape of a sphere. The phenomenon…
(Encyclopedia) pitchblendepitchblendepĭchˈblĕndˌ [key], dark, lustrous, heavy mineral, a source of radium and uranium. Largely natural uranium oxides, triuranium octaoxide (U3O8) and uranium dioxide…
