gradient boat
61Beaver River (New York) — The Beaver River is a small mountain stream which flows from the Adirondack Mountains to the Black River at Naumberg, north of Lowville in northwestern New York. The Beaver flows through parts of Hamilton, Herkimer, and Lewis counties. Its source …
62Tropical Storm Danielle (1992) — Infobox Hurricane Name=Tropical Storm Danielle Type=Tropical storm Year=1992 Basin=Atl Image location=Danielle 25 sept 1992 1916Z.jpg Formed=September 22, 1992 Dissipated=September 26, 1992 1 min winds=55 Pressure=1001 Da Fatalities=2 direct… …
63Northgate Canyon — Calm section of Northgate Canyon in low water conditions Northgate Canyon is the 9.8 mile (15.8 km) long stretch of the North Platte River between Routt Access (Colorado) and Six Mile Gap (Wyoming). Description Beginning not far from the… …
64Moss–Horten Ferry — Moss–Horten Bastø Ferry MF Bastø II in Moss Route Crosses Oslofjord Route Norwegian National Highway 19 …
65Africa — /af ri keuh/, n. 1. a continent S of Europe and between the Atlantic and Indian oceans. 551,000,000; ab. 11,700,000 sq. mi. (30,303,000 sq. km). adj. 2. African. * * * I Second largest continent on Earth. It is bounded by the Mediterranean Sea,… …
66cave — cavelike, adj. /kayv/, n., v., caved, caving. n. 1. a hollow in the earth, esp. one opening more or less horizontally into a hill, mountain, etc. 2. a storage cellar, esp. for wine. 3. Eng. Hist. a secession, or a group of seceders, from a… …
67hydrologic sciences — Introduction the fields of study concerned with the waters of the Earth. Included are the sciences of hydrology, oceanography, limnology, and glaciology. In its widest sense hydrology encompasses the study of the occurrence, the… …
68Outline of energy — See also: Index of energy articles In physics, energy (from the Greek ἐνέργεια – energeia, activity, operation , from ἐνεργός – energos, active, working [1]) is a scalar physical quantity that describes the amount of work that can be performed by …
69Organic solar cell — An organic photovoltaic cell (OPVC) is a photovoltaic cell that uses organic electronics a branch of electronics that deals with conductive organic polymers or small organic molecules[1] for light absorption and charge transport. The plastic… …
70EUPHRATES — Together with the Tigris, the most important river that defined the borders of Mesopotamia. The Euphrates has its source in the mountains of Anatolia, which receive substantial amounts of snowfall in the winter. The river was called purattu in …
