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Kumbakonam

(Encyclopedia) KumbakonamKumbakonamk&oobreve;mbəkōˈnəm [key], city (1991 pop. 150,869), Tamil Nadu state, SE India, on the Kaveri River. Its district, in the richest part of the river delta, has…

Patos, Lagoa dos

(Encyclopedia) Patos, Lagoa dosPatos, Lagoa dosləgôˈə d&oobreve;s päˈt&oobreve;s [key] [Port.,=lake of the ducks], shallow tidal lagoon, c.150 mi (240 km) long and up to 30 mi (48 km) wide,…

Brus, Louis

(Encyclopedia) Louis Brus, 1943– , b. Cleveland, Ohio, American chemist, studied at Rice University (B.S., 1965) and Columbia University (Ph.D.,…

Bida

(Encyclopedia) Bida Bida bēdäˈ [key], town, W central Nigeria. It is the trade center for a rice-growing…

Ratnapura

(Encyclopedia) RatnapuraRatnapurarŭtˈnəp&oobreve;rə [key] [Sinhalese,=city of gems], town (1995 est. pop. 46,000), SW Sri Lanka. Located in a rubber- and rice-producing area, Ratnapura is Sri…

Sado

(Encyclopedia) SadoSadosäˈdō [key], island, 330 sq mi (855 sq km), in the Sea of Japan, off the west coast of N Honshu, Japan. Mt. Kimpoku (3,872 ft/1,180 m) is the highest point. The fertile central…

Saga, city, Japan

(Encyclopedia) SagaSagasäˈgä [key], city (1990 pop. 169,963), capital of Saga prefecture, W Kyushu, Japan. It is a railroad and coal-distribution center. Cotton textiles and ceramics are produced in…

Ballia

(Encyclopedia) Ballia Ballia bŭlˈyə [key], town, Uttar Pradesh state, N central India. Situated on a rich…

observatory

(Encyclopedia) observatory, scientific facility especially equipped to detect and record naturally occurring scientific phenomena. Although geological and meteorological observatories exist, the term…

DK Science & Technology: Heat

HOW DOES HEAT FLOW? WHAT ARE THE THREE TYPES OF HEAT TRANSFER? CAN WE SEE HEAT? TEMPERATURETHERMOMETERSTHERMAL INSULATORSFIND OUT MOREEverything around us contains heat. Heat is a form of energy—…