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Yerba Buena Island
(Encyclopedia)Yerba Buena Island, 300 acres (121 hectares), W Calif., in San Francisco Bay. It is the midpoint of the San Francisco–Oakland Bay Bridge, which crosses the island through a tunnel. There are coast g...Aegina, island, Greece
(Encyclopedia)Aegina or Aíyina āˈyēnä [key], island, 32 sq mi (83 sq km), off SE Greece, in the Saronic Gulf (or Gulf of Aegina), near Athens. Sponge fishing and farming (fi...Cape Breton Island
(Encyclopedia)Cape Breton Island, island, 3,970 sq mi (10,282 sq km), forming the northeastern part of N.S., Canada, and separated from the mainland by the narrow Gut...Cape Sable Island
(Encyclopedia)Cape Sable Island, 7 mi (11.2 km) long and 3 mi (4.8 km) wide, SW N.S., Canada. It is connected to the mainland by a causeway over Barrington Passage. C...pulley
(Encyclopedia)CE5 Pulleys: The mechanical advantage (MA) of a system of pulleys is equal to the number of supporting strands: in A MA=1 and in B MA=2. pulley, simple machine consisting of a wheel over which a r...eccentric
(Encyclopedia)eccentric, in mechanics, device for changing rotary to back-and-forth motion. A disk is mounted off center on a shaft. One flat, open, circular end of a rod fits around the edge of the disk; the other...kettle
(Encyclopedia)kettle, oval depression found in glacial moraines, which are landforms made up of rock debris. When a glacier melts and draws away from an area, a block of ice may break off and be covered by earth an...Wall Street
(Encyclopedia)Wall Street, narrow street in the lower part of Manhattan island, New York City, extending E from Broadway to the East River. It is the center of one of the greatest financial districts in the world, ...Kuril Islands
(Encyclopedia)Kuril Islands kyo͝orˈēlz, kyo͝orēlzˈ [key], Jap. Chishima-Retto, Rus. Kurilskiye Ostrova, island chain, c.6,020 sq mi (15,590 sq km), Sakhalin region, E Russia. They stretch c.775 mi (1,250 km) ...Mona, island, Puerto Rico
(Encyclopedia)Mona, island, Puerto Rico: see under Mona Passage. ...Browse by Subject
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