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  2. Lawnchair Larry flight - Wikipedia

    en.wikipedia.org/wiki/Lawnchair_Larry_flight

    On July 2, 1982, Larry Walters (April 19, 1949 – October 6, 1993) made a 45-minute flight in a homemade aerostat made of an ordinary lawn chair and 42 helium-filled weather balloons. [2] The aircraft rose to an altitude of about 16,000 feet (4,900 m), drifted from the point of liftoff in San Pedro, California , and entered controlled airspace ...

  3. Check dam - Wikipedia

    en.wikipedia.org/wiki/Check_dam

    A check dam is a small, sometimes temporary, dam constructed across a swale, drainage ditch, or waterway to counteract erosion by reducing water flow velocity. [1] Check dams themselves are not a type of new technology; rather, they are an ancient technique dating from the second century AD. [ 2 ]

  4. Swale (landform) - Wikipedia

    en.wikipedia.org/wiki/Swale_(landform)

    A swale is a shady spot, or a sunken or marshy place. [1] In US usage in particular, it is a shallow channel with gently sloping sides. Such a swale may be either natural or human-made. Artificial swales are often infiltration basins, designed to manage water runoff, filter pollutants, and increase rainwater infiltration. [2]

  5. Flow control structure - Wikipedia

    en.wikipedia.org/wiki/Flow_control_structure

    The purpose of these structures is to divert water into the various canals and to keep them full. When over full, they dump excess water back into either streams or other canals. Among the simplest is a low dam across a shallow stream, forcing all of the water to one side to allow it to be easily collected in a canal. This can keep a canal full ...

  6. Bradfield Scheme - Wikipedia

    en.wikipedia.org/wiki/Bradfield_Scheme

    The Bradfield Scheme has not received broad political support from any of the major Australian parties in recent times, but it has been pushed by individual politicians such as Bob Katter, who advocated the plan whilst he was a member of the Nationals for the state seat of Flinders during the 1980s, and continues to support it as an independent, representing the federal seat of Kennedy.

  7. Bioswale - Wikipedia

    en.wikipedia.org/wiki/Bioswale

    Rain gardens are constructed throughout the city to manage storm water and to improve the water quality of city waterways. [19] The care and tending of rain gardens is a partnership between the NYC DEP and a group of citizen volunteers called "harbor protectors". Rain gardens are inspected and cleaned at least once a week. [20]

  8. Teacher Shares Genius Way She's Helped Her Kindergarteners ...

    www.aol.com/teacher-shares-genius-way-shes...

    "There's levels to tattling. Sometimes it's something as little as 'So and so is copying me,' or 'So and so keeps looking at me,' And those don't need to cause an interruption.

  9. Dry well - Wikipedia

    en.wikipedia.org/wiki/Dry_well

    A dry well or drywell is an underground structure that disposes of unwanted water, most commonly surface runoff and stormwater, in some cases greywater or water used in a groundwater heat pump. It is a gravity-fed , vertical underground system that can capture surface water from impervious surfaces , then store and gradually infiltrate the ...