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  2. Water storage - Wikipedia

    en.wikipedia.org/wiki/Water_storage

    Water storage. Water storage is a broad term referring to storage of both potable water for consumption, and non potable water for use in agriculture. In both developing countries and some developed countries found in tropical climates, there is a need to store potable drinking water during the dry season. In agriculture water storage, water is ...

  3. Origin of water on Earth - Wikipedia

    en.wikipedia.org/wiki/Origin_of_water_on_Earth

    The origin of water on Earth is the subject of a body of research in the fields of planetary science, astronomy, and astrobiology. Earth is unique among the rocky planets in the Solar System in having oceans of liquid water on its surface. [ 2] Liquid water, which is necessary for all known forms of life, continues to exist on the surface of ...

  4. Water cycle - Wikipedia

    en.wikipedia.org/wiki/Water_cycle

    The water cycle (or hydrologic cycle or hydrological cycle ), is a biogeochemical cycle that involves the continuous movement of water on, above and below the surface of the Earth. The mass of water on Earth remains fairly constant over time. However, the partitioning of the water into the major reservoirs of ice, fresh water, salt water and ...

  5. History of YouTube - Wikipedia

    en.wikipedia.org/wiki/History_of_YouTube

    YouTube is an American online video-sharing platform headquartered in San Bruno, California, founded by three former PayPal employees— Chad Hurley, Steve Chen, and Jawed Karim —in February 2005. Google bought the site in November 2006 for US$1.65 billion, since which it operates as one of Google's subsidiaries .

  6. List of pumped-storage hydroelectric power stations - Wikipedia

    en.wikipedia.org/wiki/List_of_pumped-storage...

    The Tumut-3 Hydroelectric Power Station. The upper Minamiaiki Dam of the Kannagawa Hydropower Plant. Castaic Power Plant. Main pump-generator hall of Vianden Pumped Storage Plant. Upper reservoir for Coo-Trois-Ponts PSPS. Goldisthal Pumped Storage Station. Mingtan Dam. The table below lists currently operational power stations.

  7. PDF - Wikipedia

    en.wikipedia.org/wiki/PDF

    A PDF file is often a combination of vector graphics, text, and bitmap graphics. The basic types of content in a PDF are: Typeset text stored as content streams (i.e., not encoded in plain text ); Vector graphics for illustrations and designs that consist of shapes and lines;

  8. History of water supply and sanitation - Wikipedia

    en.wikipedia.org/wiki/History_of_water_supply...

    The history of water supply and sanitation is one of a logistical challenge to provide clean water and sanitation systems since the dawn of civilization. Where water resources, infrastructure or sanitation systems were insufficient, diseases spread and people fell sick or died prematurely. Astronaut Jack Lousma taking a shower in space, 1974.

  9. Water - Wikipedia

    en.wikipedia.org/wiki/Water

    'Dihydrogen monoxide' is a technically correct but rarely used chemical name of water. This name has been used in a series of hoaxes and pranks that mock scientific illiteracy. This began in 1983, when an April Fools' Day article appeared in a newspaper in Durand, Michigan. The false story consisted of safety concerns about the substance. [253]