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  2. Thousandth of an inch - Wikipedia

    en.wikipedia.org/wiki/Thousandth_of_an_inch

    A thousandth of an inch is a derived unit of length in a system of units using inches. Equal to 1 ⁄ 1000 of an inch, a thousandth is commonly called a thou / ˈ θ aʊ / (used for both singular and plural) or, particularly in North America, a mil (plural mils). The words are shortened forms of the English and Latin words for "thousand" (mille ...

  3. Ammonia - Wikipedia

    en.wikipedia.org/wiki/Ammonia

    The standard enthalpy change of combustion, ΔH° c, expressed per mole of ammonia and with condensation of the water formed, is −382.81 kJ/mol. Dinitrogen is the thermodynamic product of combustion: all nitrogen oxides are unstable with respect to N 2 and O 2, which is the principle behind the catalytic converter.

  4. Wafer (electronics) - Wikipedia

    en.wikipedia.org/wiki/Wafer_(electronics)

    3-inch (76 mm) 375 μm 1972 29 4-inch (100 mm) 525 μm 1976 10 grams [18] 56 4.9 inch (125 mm) 625 μm 1981 95 150 mm (5.9 inch, usually referred to as "6 inch") 675 μm 1983 144 200 mm (7.9 inch, usually referred to as "8 inch") 725 μm. 1992 53 grams [18] 269 300 mm (11.8 inch, usually referred to as "12 inch") 775 μm 1999

  5. List of humorous units of measurement - Wikipedia

    en.wikipedia.org/wiki/List_of_humorous_units_of...

    At the time, Smoot was 5 feet, 7 inches, or 170 cm, tall. [18] Google Earth and Google Calculator include the smoot as a unit of measurement. The Cambridge (Massachusetts) police department adopted the convention of using Smoots to measure the locations of accidents and incidents on the bridge.

  6. Transistor count - Wikipedia

    en.wikipedia.org/wiki/Transistor_count

    The transistor count is the number of transistors in an electronic device (typically on a single substrate or silicon die).It is the most common measure of integrated circuit complexity (although the majority of transistors in modern microprocessors are contained in cache memories, which consist mostly of the same memory cell circuits replicated many times).

  7. Solar panel - Wikipedia

    en.wikipedia.org/wiki/Solar_panel

    Solar array mounted on a rooftop. A solar panel is a device that converts sunlight into electricity by using photovoltaic (PV) cells. PV cells are made of materials that produce excited electrons when exposed to light.

  8. Foot (unit) - Wikipedia

    en.wikipedia.org/wiki/Foot_(unit)

    Under the Harappan linear measures, Indus cities during the Bronze Age used a foot of 13.2 inches (335 mm) and a cubit of 20.8 inches (528 mm). [11] The Egyptian equivalent of the foot—a measure of four palms or 16 digits—was known as the djeser and has been reconstructed as about 30 cm (11.8 in).

  9. Cirrus Vision SF50 - Wikipedia

    en.wikipedia.org/wiki/Cirrus_Vision_SF50

    The Cirrus Vision SF50, also known as the Vision Jet, is a single-engine very light jet designed and produced by Cirrus Aircraft of Duluth, Minnesota, United States.. After receiving deposits starting in 2006, Cirrus unveiled an aircraft mock-up on 28 June 2007 and a prototype on 26 June 2008.