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  2. List of unusual units of measurement - Wikipedia

    en.wikipedia.org/wiki/List_of_unusual_units_of...

    In most US cities, a city block is between 1 ⁄ 16 and 1 ⁄ 8 mi (100 and 200 m). In Manhattan, the measurement "block" usually refers to a north–south block, which is 1 ⁄ 20 mi (80 m). Sometimes people living in places (like Manhattan) with a regularly spaced street grid will speak of long blocks and short blocks.

  3. International Space Station - Wikipedia

    en.wikipedia.org/wiki/International_Space_Station

    By 5 June 2011 astronauts had made over 159 EVAs to add components to the station, totaling more than 1,000 hours in space. [87] [88] Zarya and Unity, the first two modules of the ISS, pictured in May 2000. The foundation for the ISS was laid with the launch of the Russian-built Zarya module atop a Proton rocket on 20 November 1998.

  4. Coney Island–Stillwell Avenue station - Wikipedia

    en.wikipedia.org/wiki/Coney_Island–Stillwell...

    Rail transportation to Coney Island had been available since 1864. The Brooklyn, Bath and Coney Island Railroad was the first steam railroad to Coney Island. It ran from Fifth Avenue and 36th Street in what is now Sunset Park, [7] to its West End Terminal, at the present-day Coney Island Terminal's location, [8] along what is now the right-of-way of the West End Line.

  5. Global Positioning System - Wikipedia

    en.wikipedia.org/wiki/Global_Positioning_System

    The L5 frequency band at 1.17645 GHz was added in the process of GPS modernization. This frequency falls into an internationally protected range for aeronautical navigation, promising little or no interference under all circumstances. The first Block IIF satellite that provides this signal was launched in May 2010. [164]

  6. Artwork at the World Trade Center (1973–2001) - Wikipedia

    en.wikipedia.org/wiki/Artwork_at_the_World_Trade...

    The largest work the sculptor had created to date, [15] the wall piece was 32 feet wide, 17 feet tall and a foot thick [15] — and comprised more than 35 segments, each a dark painted wood relief. Completed in 1977 or 1978 (reported variously), Sky Gate' was dedicated at the mezzanine of One World Trade Center on December 12, 1978, overlooking ...

  7. List of tallest structures in the United States - Wikipedia

    en.wikipedia.org/wiki/List_of_tallest_structures...

    2,060 feet (627.9 m) Skyscraper: One World Trade Center: New York City: 1,776 feet (541.3 m) Guyed mast insulated against ground: VLF transmitter Lualualei: Lualualei, HI: 1,503 feet (458.1 m) Chimney: Homer City Generating Station: Homer City, Pennsylvania: 1,217 feet (370.9 m) Concrete tower: Stratosphere Tower: Las Vegas: 1,149 feet (350.2 m)

  8. Tomahawk (missile family) - Wikipedia

    en.wikipedia.org/wiki/Tomahawk_(missile_family)

    From 1992 until 1994, McDonnell Douglas was the sole supplier of Tomahawks, producing Block II and Block III versions and remanufacturing many Tomahawks to Block III specifications. [12] In 1994, Hughes Aircraft , having purchased General Dynamics' missile division in 1992, outbid McDonnell Douglas to become the sole supplier of Tomahawks.

  9. Spar buoy - Wikipedia

    en.wikipedia.org/wiki/Spar_buoy

    A diagram of an anchored spar buoy. A spar buoy is a tall, thin buoy that floats upright in the water and is characterized by a small water plane area and a large mass. . Because they tend to be stable ocean platforms, spar buoys are popular for making oceanographic measu