ground-loop currents
91Third rail — For other uses, see Third rail (disambiguation). Third rail at the West Falls Church Metro station near Washington, D.C., electrified at 750 volts. The third rail is at the top of the image, with a white canopy above it. The two lower rails… …
92Sea surface temperature — Weekly average sea surface temperature for the World Ocean during the first week of February 2011, during a period of La Niña …
93Norwegian Current — The Norwegian Current (also known as the Norwegian Coastal Current) is a water current that flows north easterly along the Atlantic coast of Norway at depths of between 50 and 100 meters. It contrasts with the North Atlantic Current because it is …
94Ocean fisheries — A fishery is an area with an associated fish or aquatic population which is harvested for its commercial value. Fisheries can be wild or farmed. Most of the world s wild fisheries are in the ocean. This article is an overview of ocean fisheries.… …
95Electricity — (from the Greek word ήλεκτρον, (elektron), meaning amber, and finally from New Latin ēlectricus , amber like ) is a general term that encompasses a variety of phenomena resulting from the presence and flow of electric charge. These include many… …
96Hydrothermal vent — Marine habitats White smokers emitting liquid carbon dioxide at the Champagne vent, Northwest Eifuku volcano, Marianas Trench Marine National Monument Littoral zone …
97Transient electromagnetics — Basic Principles = Transient electromagnetics, or time domain methods (TEM or TDEM), refer to a branch of geophysics, among other disciplines, that use an electromagnetic impulse excitation to investigate the subsurface. TEM methods are generally …
98motion picture, history of the — Introduction history of the medium from the 19th century to the present. Early years, 1830–1910 Origins The illusion of motion pictures is based on the optical phenomena known as persistence of vision and the phi phenomenon. The first …
99History of film — This article is about the history of cinema. For other uses, see History of photography. Years in film 1870s 1880s 1890s …
100Maglev — JR Maglev at Yamanashi, Japan test track in November 2005 …
