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zirconium
(Encyclopedia) zirconiumzirconiumzərkōˈnēəm [key], metallic chemical element; symbol Zr; at. no. 40; at. wt. 91.224; m.p. about 1,852℃; b.p. 4,377℃; sp. gr. 6.5 at 20℃; valence +2, +3, or +4.…beryllium
(Encyclopedia) berylliumberylliumbərĭlˈēəm [key] [from beryl ], metallic chemical element; symbol Be; at. no. 4; at. wt. 9.01218; m.p. about 1,278℃; b.p. 2,970℃ (estimated); sp. gr. 1.85 at 20℃;…March 2015 Current Events: World News
U.S. News | Business News | Disasters & Science News Here are the key events in world news for the month of March 2015. With Help From…sun, in astronomy
(Encyclopedia) CE5 Structure of the sun sun, intensely hot, self-luminous body of gases at the center of the solar system. Its gravitational attraction maintains the planets, comets, and other…June Current Events 2024: US News
Top of Page World News | Disaster News | Science & Technology News | Current Events This Week The world is a very busy place, and it's hard to stay on top of everything. Infoplease has got you…September 2015 Current Events: World News
U.S. News | Business News | Disasters & Science News Here are the key events in world news for the month of…Nagasaki
(Encyclopedia) NagasakiNagasakinägˌäsäˈkē [key], city (1990 pop. 444,599), capital of Nagasaki prefecture, W Kyushu, Japan, on Nagasaki Bay. It is one of Japan's leading ports. Shipbuilding is the…Schawlow, Arthur Leonard
(Encyclopedia) Schawlow, Arthur LeonardSchawlow, Arthur Leonardshôˈlō [key], 1921–99, American physicist, b. Mount Vernon, N.Y., grad. Univ. of Toronto (Ph.D. 1949). Although his research focused on…Groton
(Encyclopedia) Groton Groton grŏtˈən [key]. <1> Town (2020 pop. 38,411), New London co., SE…Tarim
(Encyclopedia) TarimTarimdārēmˈ [key], Mandarin Dayan, chief river of Xinjiang Uygur Autonomous Region, NW China, c.1,300 mi (2,090 km) long, formed by the union of the Aksu and the Yarkant rivers at…Trending
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