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  2. List of tallest buildings and structures - Wikipedia

    en.wikipedia.org/wiki/List_of_tallest_buildings...

    The world's tallest human-made structure is the 828-metre-tall (2,717 ft) Burj Khalifa in Dubai, United Arab Emirates.The building gained the official title of "tallest building in the world" and the tallest self-supported structure at its opening on January 9, 2010.

  3. Gulfstream G650/G700/G800 - Wikipedia

    en.wikipedia.org/wiki/Gulfstream_G650/G700/G800

    The Gulfstream G650 is a large business jet produced by Gulfstream Aerospace. [3] The model is designated Gulfstream GVI in its type certificate. [4] The aircraft can be configured to carry from 11 to 18 passengers over a range of 7,000 nautical miles [nmi] (13,000 km; 8,100 mi) at a top speed of Mach 0.925 (530.6 kn; 982.7 km/h; 610.6 mph).

  4. British Rail Class 800 - Wikipedia

    en.wikipedia.org/wiki/British_Rail_Class_800

    In comparison, the electric-orientated Class 801 features a single GU for a five to nine-car set, which provides emergency power for limited traction and auxiliaries if the power supply from the overhead line fails. By adding or removing GUs, a Class 800 can be converted into a Class 801 and vice versa. [1]

  5. 800 MHz frequency band - Wikipedia

    en.wikipedia.org/wiki/800_MHz_frequency_band

    The 800 MHz frequency band is a portion of the electromagnetic spectrum, or frequency band, that encompasses 790–862 MHz.. Being a part of the spectrum known as "UHF Bands IV and V" (i.e. 470 MHz to 862 MHz) it was allocated by the ITU to Broadcasting as the primary user in Region 1 and was used for analogue television broadcasting before changing to digital terrestrial television in many ...

  6. Estimates of historical world population - Wikipedia

    en.wikipedia.org/wiki/Estimates_of_historical...

    After World War II, demographic data of some accuracy becomes available for a significant number of countries, and population estimates are often given as grand totals of numbers (typically given by country) of widely diverging accuracies. Some sources give these numbers rounded to the nearest million or the nearest thousand, while others give ...

  7. Comparison of Microsoft Windows versions - Wikipedia

    en.wikipedia.org/wiki/Comparison_of_Microsoft...

    Microsoft Windows is the name of several families of computer software operating systems created by Microsoft.Microsoft first introduced an operating environment named Windows in November 1985 as an add-on to MS-DOS in response to the growing interest in graphical user interfaces (GUIs).

  8. Comparison of high-definition smartphone displays - Wikipedia

    en.wikipedia.org/wiki/Comparison_of_high...

    The following is a comparison of high ... The "p-display" nomenclature used in this article refers to the number of pixels displayed ... 1280 × 800 5.3 in (130 mm) ...

  9. Boeing 777X - Wikipedia

    en.wikipedia.org/wiki/Boeing_777X

    The Boeing 777X is the latest series of the long-range, wide-body, twin-engine jetliners in the Boeing 777 family from Boeing Commercial Airplanes.The changes for 777X include GE9X engines, composite wings with folding wingtips, greater cabin width and seating capacity, and technologies from the Boeing 787.