Tuesday, April 05, 2005
On June 16, 1963, after Bykovsky had been in orbit two days, the Soviet
Monday, April 04, 2005
Artillery piece that is fired from the ground or shipboard in defense against aerial attack. Antiaircraft weapons development began as early as 1910, when the airplane first became an effective weapon. In World War I, field artillery pieces up to about 90 mm (3.5 inches) in calibre were converted to antiaircraft use by mountings that enabled them to fire nearly vertically. Aiming
Saturday, April 02, 2005
Volcanic island, Maui county, Hawaii, U.S., separated from Molokai (northwest) and Hawaii (southeast) islands by the Pailolo and Alenuihaha channels. With an area of 728 square miles (1,886 square km), the island is the second largest of the Hawaiian chain (after Hawaii Island). It takes its name from a Polynesian demigod and was created by two volcanoes, Puu Kukui and Haleakala, which
Also called dirty sandstone a sedimentary rock composed of sand-sized grains (0.0632 mm [0.00250.078 inch]) with a fine-grained clay matrix. The sand-sized grains are frequently composed of rock fragments of wide-ranging mineralogies (e.g., those consisting of pyroxenes, amphiboles, feldspars, and quartz). The grains are angular and poorly sorted with many minerals retaining growth forms that resulted from low abrasion.
Thursday, March 31, 2005
Though the word theatre is derived from the Greek theaomai, to see, the performance itself may appeal either to the ear or to the eye, as is suggested by the interchangeability of the terms spectator
Book or table containing a calendar of the days, weeks, and months of the year; a record of various astronomical phenomena, often with weather predictions and seasonal suggestions for farmers; and miscellaneous other data. An almanac provides data on the rising and setting times of the Sun and Moon, the phases of the Moon, the positions of the planets, schedules of high
Wednesday, March 30, 2005
(Irish: Place of Assembly), low hill (about 507 feet [154 m]) in County Meath, Ireland, occupying an important place in Irish legend and history. The earliest local remains consist of a small passage grave (c. 2100 BC) known as Dumha na nGiall (Mound of the Hostages). Numerous Bronze Age burials were found in the earth mound, which lies just inside the perimeter of a vast oval enclosure called R
Tuesday, March 29, 2005
As a result of their preoccupation with pure logic, the dialecticians have always been separated from the mainstream of Chinese philosophy, which was primarily concerned with the relationship between names and actuality.
Sunday, March 27, 2005
Kazak Zhezqazghan , also spelled Dzezkazgan city, central Kazakstan, on a reservoir of the Kara-Kengir River. The city was created in 1938 in connection with the exploitation of the rich local copper deposits. In 1973 a large mining and metallurgical complex was constructed to the southeast to smelt the copper that until then had been sent elsewhere for processing. The city has a rail link with Qaraghandy. Its urban area