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Flavin, Christopher – 1982
Solar photovoltaic cells have been called the ultimate energy technology, environmentally benign and without moving parts, solar cells directly convert sunlight into electricity. Photovoltaic energy conversion is fundamentally different from all other forms of electricity generation. Without turbines, generators or other mechanical equipment, it…
Descriptors: Electricity, Energy, Environmental Education, Foreign Countries
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Berridge, Chris – School Science Review, 1989
Reviews the history of the steam turbine at sea from the 1880s to modern turbines. Presents several pictures of various types of turbines. (YP)
Descriptors: Engineering, Engineering Technology, Engines, Foreign Countries