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hydraulic machine

(Encyclopedia) CE5 Hydraulic pressure: In any hydraulic device the pressure exerted by one piston is transmitted throughout the fluid. Since pressure equals force divided by area, a small force (…

DK Science: Observatories

EUROPEAN SOUTHERN OBSERVATORYMAUNA KEA OBSERVATORYVERY LARGE ARRAYFIND OUT MOREOptical observatories study the visible radiation (light) from objects in space, and most are located high up on…

DK History: Decolonization

WHEN DID WINDS OF CHANGE BLOW? APARTHEIDFIND OUT MOREAfter 1945, European nations began to give up their colonies. In some places, power was handed back to local people peacefully. White South…

Dracula and Other Vampire Beliefs

Dracula and Other Vampire Beliefs Belief in vampires and the power of blood is as old as mankind by David Johnson Belief in vampires and the power of blood is as old as mankind. Early man…

Car Names

In a Dodge Diplomat, a soccer mom feels positively patrician by Borgna Brunner 1958 Corvette Convertible Related Links Most Popular Car Colors Least and Most Polluting Cars Most…

Ebetsu

(Encyclopedia) Ebetsu Ebetsu ābāˈts&oomacr; [key], city, Hokkaido prefecture, central Hokkaido, Japan. It is an…

Gatineau, river, Canada

(Encyclopedia) GatineauGatineaugătˈĭnō [key], river, c.240 mi (390 km) long, rising in the Laurentians, SW Que., Canada, and flowing S to the Ottawa River at Gatineau. There are several rapids with…

jeep

(Encyclopedia) jeep, small, durable automotive vehicle intended for heavy-duty applications and sometimes provided with the capability of delivering driving power to all four wheels. The last feature…

Awe, Loch

(Encyclopedia) Awe, LochAwe, Lochlŏkh ô [key], lake, 25 mi (40 km) long, Argyll and Bute, W Scotland; 118 ft (36 m) above sea level. The hydroelectric power facility at Cruachan (completed 1967) has…

Parker Dam

(Encyclopedia) Parker Dam, at the Ariz.–Calif. line, on the Colorado River; completed 1938. It is 320 ft (98 m) high and 856 ft (261 m) long. The dam impounds water for Los Angeles and other coastal…