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Backus, John Warner
(Encyclopedia) Backus, John Warner, 1924–2007, American computer scientist, b. Philadelphia, grad. Columbia (M.A. 1950). Trained as a mathematician, he was hired (1950) by IBM Corp. as a computer…Massapequa Park
(Encyclopedia) Massapequa Park, residential village (1990 pop. 18,044), Nassau co., SE N.Y., on Long Island; inc. 1931. Nearby is Bethpage State Park, with its championship-level golf courses.Poopó
(Encyclopedia) PoopóPoopópōˌōpōˈ [key], salt lake, on the high plateau of W Bolivia. It is more than 11,000 ft (3,353 m) above sea level. Although it is Bolivia's second largest lake (965 sq mi/2,499…Kurile Lake
(Encyclopedia) Kurile Lake, crater lake, 29 sq mi (76 sq km), 130 mi (209 km) SSW of Petropavlovsk, Russia, near the tip of the Kamchatka Peninsula. Located in a rugged volcanic region and lying some…plateau
(Encyclopedia) plateau, elevated, level or nearly level portion of the earth's surface, larger in summit area than a mountain and bounded on at least one side by steep slopes, occurring on land or in…Advanced-Level Science Projects: How Much Oxygen Is in the Air?
How Much Oxygen Is in the Air?Advanced-Level Science ProjectsEarth ScienceHow Much Oxygen Is in the Air?Which Is More Acidic, Snow or Rain? When you step outside and take a big breath of fresh air…Intermediate-Level Science Projects: Can You Be a Human Battery?
Can You Be a Human Battery?Intermediate-Level Science ProjectsChemistryCan You Be a Human Battery?What Materials Make the Best Crystals? The information presented here will give you a general idea…Intermediate-Level Science Projects: Determining Your Speediest Shoes
Determining Your Speediest ShoesIntermediate-Level Science ProjectsHow Fast Are You? Testing and Measuring ReflexesDetermining Your Speediest ShoesDoes Caffeine Increase Heart Rate? You probably…Elk Island National Park
(Encyclopedia) Elk Island National Park, 75 sq mi (194 sq km), central Alta., Canada, near Edmonton; est. 1913. It occupies a wooded rolling region in the midst of level farmland. The park is Canada'…Trending
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