wikimedia
Wikimedia Foundation
The Wikimedia Foundation is the nonprofit organization that supports Wikipedia, the other Wikimedia free knowledge projects.
The Wikimedia Foundation is the nonprofit organization that supports Wikipedia, the other Wikimedia free knowledge projects.
Solar Energy
Using sunlight for generating energy ### Photovoltaic Solar Panels The most common type of solar panel are photovoltaic solar cells, or PVs, which convert sunlight directly into electricity. Photovoltaic solar cells range in efficiency from about 15% to 30% efficiency.  ###...
Using sunlight for generating energy ### Photovoltaic Solar Panels The most common type of solar panel are photovoltaic solar cells, or PVs, which convert sunlight directly into electricity. Photovoltaic solar cells range in efficiency from about 15% to 30% efficiency.  ###...
Wikipedia
Wikipedia is a free online encyclopedia, created and edited by volunteers around the world and hosted by the Wikimedia Foundation.
Wikipedia is a free online encyclopedia, created and edited by volunteers around the world and hosted by the Wikimedia Foundation.
MediaWiki
MediaWiki is a free and open-source wiki engine written in PHP. It was developed for use on Wikipedia, and remains in use on Wikipedia and almost all other Wikimedia sites.
MediaWiki is a free and open-source wiki engine written in PHP. It was developed for use on Wikipedia, and remains in use on Wikipedia and almost all other Wikimedia sites.
Wiktionary, the free dictionary
A collaborative project to produce a free-content multilingual dictionary.
A collaborative project to produce a free-content multilingual dictionary.
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