(from the article "dinosaur") ...years ago) and from an early portion of the Late Triassic (227 million to 206 million years ago) of South America; these include Lagerpeton,
city, seat (1828) of Troup county, western Georgia, U.S. It lies just east of West Point Lake (impounded on the Chattahoochee River), about 50 miles (80 km) north of Columbus. ...
(from the article "celestial mechanics") ...equations that result by equating the mass times the acceleration of a body to the sum of all the forces acting on the body (Newton's second law). These equations are ...
(from the article "mechanics") Elegant and powerful methods have also been devised for solving dynamic problems with constraints. One of the best known is called Lagrange's equations. The Lagrangian L is defined as L ...
(from the article "optics") ... and the product (hnu) is invariant for all the spaces between the lens surfaces, including the object and image spaces, for any lens system of any degree of complexity. ...
Italian French mathematician who made great contributions to number theory and to analytic and celestial mechanics. His most important book, Mecanique analytique (1788; "Analytic Mechanics"), was the basis for all ... [13 Related Articles]
quantity that characterizes the state of a physical system. In mechanics, the Lagrangian function is just the kinetic energy (energy of motion) minus the potential energy (energy of position). [1 Related Articles]
in astronomy, a point in space at which a small body, under the gravitational influence of two large ones, will remain approximately at rest relative to them. The existence of ... [2 Related Articles]
(from the article "Sudan, history of the") In 1971 the southern Sudanese rebels, who had theretofore consisted of several independent commands, were united under General Joseph Lagu, who combined under his authority both the fighting units of ...
(from the article "special function") ...differential equations are the spherical harmonics (of which the Legendre polynomials are a special case), the Tchebychev polynomials, the Hermite polynomials, the Jacobi polynomials, the Laguerre polynomials, the Whittaker functions, ...
(from the article "Ancestral Pueblo culture") ...of what are now the U.S. states of Arizona, New Mexico, Colorado, and Utah intersect. The descendents of the Ancestral Pueblo comprise the modern Pueblo tribes, including the Hopi, Zuni, ...
city, Orange county, southwestern California, U.S. Lying along the Pacific Ocean, Laguna Beach is about 50 miles (80 km) south of Los Angeles. Part of the Mexican land grant (1837) ...
(from the article "Neuquen") ...and Limay rivers, which form the Negro River at the extreme eastern corner of the province. In addition to part of Nahuel Huapi National Park, the province has the Lanin ...
(from the article "pre-Columbian civilizations") San Lorenzo is not the only Olmec centre known for the Early Formative. Laguna de los Cerros, just south of the Cerro Cintepec in Veracruz, appears to have been a ...
agricultural area comprising adjoining portions of western Coahuila and eastern Durango states, northern Mexico. The district, which contains approximately 312,000 acres (126,000 hectares) of irrigable land, was named for the ...
(from the article "Mexico") ...is irrigated, which has brought large-scale commercial production to the North and Northwest. Cotton has become the major crop in the areas developed by irrigation projects since the 1930s. The ...
city, Maui county, on the northwest coast of Maui island, Hawaii, U.S. Extending for 2 miles (3 km) along the leeward (southern) shore, the city is backed by volcanic peaks ...
mudflow of volcanic material. Lahars may carry all sizes of material from ash to large boulders and produce deposits of volcanic conglomerate. Lahars may be the result of heavy rain ... [1 Related Articles]
(from the article "fundamentalism, Christian") ...main intellectual centres. Television, which provided direct access to the public, assisted the careers of a number of fundamentalist religious leaders; in addition to Falwell, they included Tim LaHaye, head ...
Moroccan novelist, poet, and philosopher whose works are marked by a humanist perspective that stresses the importance of dialogue and of the universal. [1 Related Articles]
(from the article "Literature") ...to Elizabeth Mayne's A Passionate Continuity, explorations of women's love of sex after 70. Matthew Holmes's debut volume, Hitch, was a quirky and surrealistic collection, and Anita Lahey's domestic eccentricities ...
town, southwestern Yemen. Situated on the Wadi Tibban in the coastal plain, some 30 miles (45 km) north of Aden, it is the centre of an agricultural area. Its sparse ...
(from the article "Media and Publishing") ...World Book Capital for 2006-07. In Sweden, at the Goteborg Book Fair, the theme of the event was freedom of expression, and the Publishers Freedom Prize was awarded to Iranian ...
in Mesopotamian mythology, twin deities, the first gods to be born from the chaos that was created by the merging of Apsu (the watery deep beneath the earth) and Tiamat ... [3 Related Articles]
river, a right-bank tributary of the Rhine River, rising on the Jagd Berg (2,218 feet [676 m]), a summit of the Rothaar Hills in western Germany. The river, which is ... [1 Related Articles]
language belonging to the western group of Indo-Aryan languages and spoken mainly in the western Punjab, Pakistan. One of the most important of its numerous dialects is Multani. Lahnda has ... [1 Related Articles]
(from the article "North America") ...to Hudson Bay or the Beaufort Sea. Farther south, in the Great Basin, a pluvial (rainy) period of climate during the Pleistocene, matching the ice age in the north, gave ...
French soldier and writer who explored parts of what are now Canada and the United States and who prepared valuable accounts of his travels in the New World.
second largest city of Pakistan and the capital of Punjab province. It lies 811 miles (1,305 km) northeast of Karachi in the upper Indus plain on the Ravi River, a ... [10 Related Articles]
(from the article "Lahore") ...north, by parklands. A circular road around the rampart provides access to the old city by 13 gates. Notable structures within the old city include the mosque of Wazir Khan ...
in Lahore, Pak., archaeological museum opened in 1894 and containing examples of the arts and crafts of the province of Punjab, including sculpture, coins, and Kangra (Pahari) and Mughal paintings ... [1 Related Articles]
(from the article "India") The first meeting of the league after the outbreak of the war was held in Punjab's ancient capital of Lahore in March 1940. The famous Lahore Resolution, later known as ...
(from the article "India") ...the Battle of Sobraon in February 1846. The British feared to annex outright a region full of former soldiers and wished to retain a buffer state against possible attack from ...
(from the article "Lebanon") ...sq km (4,016 sq mi) | Population (2007 est.): 4,099,000 (including unnaturalized Palestinian refugees estimated to number fewer than 400,000) | Capital: Beirut | Chief of state: President Gen. Emile ...
city, southern Finland. It lies at the southern end of Lake Vesi, northeast of Helsinki. Founded in 1878, it was incorporated in 1905. A developing industrial centre linked to the ...
peoples living in upland areas of Yunnan, China, eastern Myanmar (Burma), northern Thailand, northern Laos, and Vietnam who speak related dialects of Tibeto-Burman languages. Although there is no indigenous Lahu ... [2 Related Articles]
(from the article "Sino-Tibetan languages") ...(i.e., Tibetan in the widest sense of the word) comprises a number of dialects and languages spoken in Tibet and the Himalayas. Burmic (Burmese in its widest application) includes Yi ...
ancient Egyptian site, located southwest of Al-Fayyum near the southward turn of the Bahr Yusuf canal in Al-Fayyum muhafazah (governorate). Al-Lahun was the location of a Middle ...
(from the article "Tajikistan") ...(1930; The Mountain Villager) and for his autobiography, Yoddoshtho (1949-54; published in English as Bukhara); both Fitrat and Ayni were bilingual in Uzbek and Tajik. Abu al-Qasim Lahuti's poem Taj ...
medieval poetic and musical form, cultivated especially among the trouveres, or poet-musicians, of northern France in the 12th and 13th centuries but also among their slightly earlier, Provencal-language counterparts, the ... [4 Related Articles]
(from the article "Tibeto-Burman languages") ...are generally expressed syntactically rather than by inflection in most TB languages, though both Kuki-Chin and Himalayish have considerable verbal morphology. Verbs in Chin languages such as Mizo, Lai, and ...
(from the article "photography, history of") Landscapes in places outside the United States and Europe were usually portrayed by European photographers during this period. However, exceptions included the Chinese photographer Afong Lai and the Brazilian photographer ...
(from the article "1970: Other Winners") ...Screenplay: Ring Lardner, Jr., for M*A*S*HCinematography: Freddie Young for Ryan's DaughterArt Direction: Urie McCleary and Gil Parrondo for PattonOriginal Score: Francis Lai for Love StoryOriginal Song Score: The Beatles for ...
(Jan. 26-May 12, 1821), meeting of the Holy Alliance powers (all European rulers except those of Britain, the Ottoman Empire, and the papacy) at Laibach (now Ljubljana, Slovenia) that set ... [4 Related Articles]
(from the article "eastern Africa, history of") ...plains and open plateaus north and south of the string of Rift Valley lakes west of Mount Kenya. From 1830 onward their various subtribes were engaged, under the auspices of ...
(from the article "virus") ...confined exclusively or largely to humans, however, posed the formidable problem of finding a susceptible animal host. In 1933 the British investigators Wilson Smith, Christopher H. Andrewes, and Patrick P. ...
Estonian soldier and patriot who led the Estonian liberation army in 1918 and supported the authoritarian regime of Konstantin Pats in the 1930s. [1 Related Articles]
town, Honolulu county, on Laie Bay, northeastern Oahu island, Hawaii, U.S. The land was acquired by Mormon missionaries in 1864 and settled by a colony of Hawaiian Mormons. The impressive ...
(from the article "Sputnik") ...(230 km), circling the Earth every 96 minutes and remaining in orbit until early 1958 when it fell back and burned in the Earth's atmosphere. Launched on November 3, 1957, ...
(from Lithuanian laime, "happiness," "luck"), in Baltic religion, the goddess of fate, generally associated with the linden tree. Together with Dievs, the sky, and Saule, the sun, Laima determines the ... [2 Related Articles]
(from the article "Dixieland") ...to draw on ragtime and European music, whereas black bands also built on their 19th-century ethnic heritage. This distinction is illustrated in the styles of the city's two most popular ...
American singer had a string of hit songs in the 1950s but was perhaps best remembered for recording the theme song to the long-running television show Rawhide. Laine's robust ...
(from the article "1982: Other Winners") ...John Briley for GandhiAdapted Screenplay: Costa-Gavras and Donald Stewart for MissingCinematography: Ronnie Taylor and Billy Williams for GandhiArt Direction: Stuart Craig and Bob Laing for GandhiOriginal Score: John Williams for ...
(from the article "cnidarian") ...special sensory structures (tentaculocysts). Differ from other hydromedusae by having tentacles inserted above umbrellar margin. Oceanic, mostly warmer waters.Medusae with features of both Narcomedusae and Trachymedusae. Polyp unknown.
(from the article "Birkenhead") ...was a hamlet of 106 inhabitants as late as 1810. Its subsequent rapid development began with the establishment of boiler works and a shipyard on Wallasey Pool, a creek of ...
(from the article "Rembrandt van Rijn") Negative remarks from Rembrandt's critics were in fact almost always counterbalanced by the highest praise. The brilliant artist and writer on art Gerard de Lairesse (1640-1711), who met Rembrandt as ...
(French: "allow to do"), policy of minimum governmental interference in the economic affairs of individuals and society. The origin of the term is uncertain, but folklore suggests that it is ... [16 Related Articles]
(from the article "Buddhism") The second basic practice is the exchange that takes place between monks and laypersons. Like the Buddha himself, the monks embody or represent the higher levels of spiritual achievement, which ...
(from the article "Oedipus") Traditionally, Laius, king of Thebes, was warned by an oracle that his son would slay him. Accordingly, when his wife, Jocasta (Iocaste; in Homer, Epicaste), bore a son, he exposed ...
river in Guanajuato estado (state), north-central Mexico. After rising in the Sierra Madre Occidental near San Felipe (Doctor Hernandez Alvarez), the Laja arches eastward and then southeastward ...
(from the article "Bosnia and Herzegovina") ...from July 6), and Haris Silajdzic (Muslim). Final authority resides in the Office of the High Representative and EU Special Representative, Christian Schwarz-Schilling (Germany) and, from July 2, Miroslav Lajcak ...
city, east-central Santa Catarina estado (state), southern Brazil, lying north of the Caveiras River in the Parana Mountains, at 3,000 feet (900 metres) above sea level. Formed as a municipality ...
(from the article "Arabic literature") ...of the Persian Gulf. In many other countries where drama was permitted, every aspect of production was subject to the closest scrutiny by censorship authorities (known as
American professional baseball player who was one of the game's best hitters and an outstanding fielder. Lajoie had a .338 career batting average, the 2nd highest ever for a second ...
Indian writer and politician, outspoken in his advocacy of a militant anti-British nationalism in the Congress Party and as a leader of the Hindu supremacy movement. [1 Related Articles]
(from the article "Olympic Games") ...the Games included Norwegian Ole Einar Bjorndalen, who won four gold medals in the men's biathlon; Croatian Janica Kostelic, who captured three gold medals and a silver in Alpine skiing; ...
type of vase from Kashan, Iran, mentioned in Abu al-Qasim's treatise on ceramics (1301). Vases were executed in simple red, white, black, and gold leaf designs on a turquoise or ...
two related languages spoken in central Dagestan in the Caucasus-Lak and Dargin. Both are written languages. The dialects of Dargin differ considerably from one another and are considered by some ... [1 Related Articles]
(from the article "Chad") In the wet and dry tropical zone, the Sara group forms a significant element of the population in the central parts of the Chari and Logone river basins. The Laka ...
in Islamic ceramics, a style of pottery associated with Kashan, Persia (Iran), from about the middle of the 11th century until the end of the 14th century. The name (lakabi, ... [4 Related Articles]
(from the article "music and dance, Oceanic") ...were performed by men or women separately in accompaniment to singing, long bamboo stamping tubes, and percussion sticks. An evolved form of this dance, which flourishes today, the lakalaka, is ...
(from the article "Rama") ...a standing figure, holding an arrow in his right hand and a bow in his left. His image in a shrine or temple is almost invariably attended by figures of ...
any relatively large body of slowly moving or standing water that occupies an inland basin of appreciable size. Definitions that precisely distinguish lakes, ponds, swamps, and even rivers and other ... [12 Related Articles]
any of a class of pigments composed of organic dyes that have been rendered insoluble by interaction with a compound of a metal. The interaction may involve the precipitation of ... [2 Related Articles]
(from the article "Plateau Indian") ...Indians. The Northern Plateau Salish include the Shuswap, Lillooet, and Ntlakapamux (Thompson) tribes. The Interior Salish live mostly in the Upper Columbia area and include the Okanagan, Sinkaietk, Lake, Wenatchee, ...
(from the article "Africa") ...the cooperation of the basin states and several intergovernmental agencies-such as the Organization for the Development of the Senegal River, the Niger Basin Authority, and the Lake Chad Basin Commission.importance ...
city, seat (1852) of Calcasieu parish, southwestern Louisiana, U.S., on the Calcasieu River about 70 miles (113 km) west of Lafayette. Adjacent to the town of Sulphur, it is a ...
(from the article "sucker") Suckers live on the bottom of lakes and slow streams and feed by sucking up invertebrates and plants. Generally rather sluggish fishes, the species vary considerably in size. The lake ...
city, seat (1832) of Columbia county, northern Florida, U.S., near Osceola National Forest, about 60 miles (100 km) west of Jacksonville. Spanish explorer Hernando de Soto passed through the area ...
rugged wilderness area in southern Alaska, U.S., on the western shore of Cook Inlet, southwest of Anchorage. It was proclaimed a national monument in 1978, and the boundaries and name ...
(from the article "lake") The principal forces acting to initiate water movements in lakes are those due to hydraulic gradients, wind stress, and factors that cause horizontal or vertical density gradients. Lake water movement ...
(from the article "Chile") ...Grande (extending to 27° S); the north-central region, Norte Chico (27° to 33° S); the central region, Zona Central (33° to 38° S); the south-central region, La Frontera and the ...
famous scenic region and national park in the administrative county of Cumbria, England. It occupies portions of the historic counties of Cumberland, Lancashire, and Westmorland. The national park covers an ... [2 Related Articles]
German Pfahlbauten: "pile structures," remains of prehistoric settlements within what are today the margins of lakes in southern Germany, Switzerland, France, and Italy. According to the theory advanced by the ... [3 Related Articles]
(Sept. 10, 1813), major U.S. naval victory in the War of 1812, ensuring U.S. control over Lake Erie and precluding any territorial cession in the Northwest to Great Britain in ... [3 Related Articles]
city, Lake county, northeastern Illinois, U.S. A suburb of Chicago, located 35 miles (55 km) north of downtown, it lies on Lake Michigan. Potawatomi Indians were recent inhabitants of the ...
(from the article "Seremban") The Lake Gardens, a museum, and a teacher-training college are there. The museum was erected on the model of a Malay house (built without nails, like traditional Sumatran structures). In ...
resort city, Walworth county, southeastern Wisconsin, U.S. It lies on the northeastern shore of Lake Geneva (Geneva Lake) at its outlet, the White River, about 45 miles (70 km) southwest ...
city, Mohave county, western Arizona, U.S., in the Chemhuevi Valley along the Colorado River, west of the Mohave Mountains. A planned community, Lake Havasu City was founded in 1964 and ...
(from the article "lake") In a lake's early stages of existence, its shore is most susceptible to changes from wave and current action. As these changes occur, there is a tendency over time to ...
unincorporated place, southwestern Alberta, Canada, on the Bow River, in Banff National Park, immediately northeast of the icy, blue-green lake of the same name, which is renowned for its scenic ...
(from the article "Mead, Lake") Lake Mead National Recreation Area, established in 1936, has an area of 2,338 square miles (6,055 square km) and extends 240 miles (386 km) along the Colorado River, from the ...