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Photovoltaic cell

A PV cell consists of two or more thin layers of semi-conducting material, most commonly silicon. When the silicon is exposed to light, electrical charges are generated and this can be conducted away by metal contacts as direct current (DC). The electrical output from a single cell is small, so multiple cells are connected together …

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What is solar electricity?

Solar electricity is created by using Photovoltaic (PV) technologyby converting solar energy into solar electricity from sunlight. Photovoltaic systems use sunlight to power ordinary electrical equipment, for example, household appliances, computers and lighting. The photovoltaic (PV) process converts free solar energy – the most abundant energy source on the planet – directly into solar power. …

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Auto Air Purifier,features Negative Ion Generator and Odor Control, Used for Vehicle Air Purification, Includes Power Cable, Auto Glass Suction Cup Mounting Bracket

Provide air treatment by using a variety of HEPA, ESP, carbon, and UV filtration to capture dust and airborne particles, combat odors, and kill germs. Designs operate on 12VDC, solar power, or both. Solar-powered units include glare shield to eliminate sun glare. All models feature negative ion generator. UL Listed.

Five Years After Chernobyl: 1986-1991: A Review

Normal Accidents analyzes the social side of technological risk. Charles Perrow argues that the conventional engineering approach to ensuring safety–building in more warnings and safeguards–fails because systems complexity makes failures inevitable. He asserts that typical precautions, by adding to complexity, may help create new categories of accidents. (At Chernobyl, tests of a new safety system …

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Chernobyl Five Years Later

Normal Accidents analyzes the social side of technological risk. Charles Perrow argues that the conventional engineering approach to ensuring safety–building in more warnings and safeguards–fails because systems complexity makes failures inevitable. He asserts that typical precautions, by adding to complexity, may help create new categories of accidents. (At Chernobyl, tests of a new safety system …

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