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  2. List of tallest freestanding structures - Wikipedia

    en.wikipedia.org/wiki/List_of_tallest...

    Demolished on 3 December 2006. Tallest free-standing structure ever demolished in a controlled manner. The Marina Torch: 336.1 1,105 2011 Skyscraper Residential United Arab Emirates Dubai Damaged by fire in 2015. Wilshire Grand Center: 336 1,102 2017 Skyscraper Office / Hotel United States Los Angeles

  3. Lightwell - Wikipedia

    en.wikipedia.org/wiki/Lightwell

    In architecture, a lightwell, [NB 1] sky-well, [NB 2] or air shaft is an unroofed or roofed external space provided within the volume of a large building to allow light and air to reach what would otherwise be a dark or unventilated area. Lightwells may be lined with glazed bricks to increase the reflection of sunlight within the space.

  4. Daylighting (architecture) - Wikipedia

    en.wikipedia.org/wiki/Daylighting_(architecture)

    Skylights are light transmitting fenestration (products filling openings in a building envelope which also includes windows, doors, etc. [according to whom?]) forming all, or a portion of, the roof of a building space. Skylights are widely used in daylighting design in residential and commercial buildings, mainly because they are the most ...

  5. List of tallest towers - Wikipedia

    en.wikipedia.org/wiki/List_of_tallest_towers

    The Tokyo Skytree in Tokyo, Japan has been the tallest tower since 2012.. This list includes extant structures that fulfill the engineering definition of a tower: "a tall human structure, always taller than it is wide, for public or regular operational access by humans, but not for living in or office work, and which is self-supporting or free-standing, meaning no guy-wires for support."

  6. Lightning rod - Wikipedia

    en.wikipedia.org/wiki/Lightning_rod

    The first proper lightning rod was invented by Father Prokop Diviš, a Czech priest and scientist, who erected a grounded lightning rod in 1754. Diviš's design involved a vertical iron rod topped with a grounded wire, intended to attract lightning strikes and safely conduct them to the ground. [2]

  7. Architectural light shelf - Wikipedia

    en.wikipedia.org/wiki/Architectural_light_shelf

    A light shelf is a horizontal surface that reflects daylight deep into a building. Light shelves are placed above eye-level and have high-reflectance upper surfaces, which reflect daylight onto the ceiling and deeper into the space. Light shelves are typically used in high-rise and low-rise office buildings, as well

  8. Architectural lighting design - Wikipedia

    en.wikipedia.org/wiki/Architectural_lighting_design

    The history of electric light is well documented, [11] and with the developments in lighting technology the profession of lighting developed alongside it. The development of high-efficiency, low-cost fluorescent lamps led to a reliance on electric light and a uniform blanket approach to lighting, but the energy crisis of the 1970s required more design consideration and reinvigorated the use of ...

  9. List of tallest freestanding steel structures - Wikipedia

    en.wikipedia.org/wiki/List_of_tallest...

    World's tallest mixed-use building 1969–2008. 6 Empire State Building: 449 1,474 1931 Skyscraper Office, observation, UHF/VHF-transmission United States New York City Tallest freestanding structure 1931–1967. Tallest skyscraper 1931–1973.