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  2. Up to eleven - Wikipedia

    en.wikipedia.org/wiki/Up_to_eleven

    The original "up to eleven" knobs in the 1984 film This Is Spinal Tap "Up to eleven", also phrased as "these go to eleven", is an idiom from popular culture, coined in the 1984 film This Is Spinal Tap, where guitarist Nigel Tufnel demonstrates a guitar amplifier whose volume knobs are marked from zero to eleven, instead of the usual zero to ten.

  3. 2-Acrylamido-2-methylpropane sulfonic acid - Wikipedia

    en.wikipedia.org/wiki/2-Acrylamido-2-methyl...

    AMPS is made by the Ritter reaction of acrylonitrile and isobutylene in the presence of sulfuric acid and water. [2] The recent patent literature [3] describes batch and continuous processes that produce AMPS in high purity (to 99.7%) and improved yield (up to 89%, based on isobutene) with the addition of liquid isobutene to an acrylonitrile / sulfuric acid / phosphoric acid mixture at 40°C.

  4. Orders of magnitude (length) - Wikipedia

    en.wikipedia.org/wiki/Orders_of_magnitude_(length)

    1011: 10 pm: 28 pm Radius of helium atom 53 pm Bohr radius (radius of a hydrogen atom) 1010: 100 pm: 100 pm 1 ångström (also covalent radius of sulfur atom [11]) 154 pm Length of a typical covalent bond (C–C) 280 pm Average size of the water molecule (actual lengths may vary) 500 pm Width of protein α helix: 10 −9: 1 nanometer 1 nm

  5. Mesa/Boogie Mark Series - Wikipedia

    en.wikipedia.org/wiki/Mesa/Boogie_Mark_Series

    It is also the first Mesa amp to feature MIDI connections, which can control the channel switching, as well as controlling the FX loop and graphic EQs. Much like the Mark 5:25, the JP-2C features a built-in CabClone. The amp also features a switch to drop the amp's wattage down to 60 watts for use in smaller venues or recording.

  6. Volt - Wikipedia

    en.wikipedia.org/wiki/Volt

    One volt is defined as the electric potential between two points of a conducting wire when an electric current of one ampere dissipates one watt of power between those points. [2] It can be expressed in terms of SI base units ( m , kg , s , and A ) as

  7. Overhead power line - Wikipedia

    en.wikipedia.org/wiki/Overhead_power_line

    For an "H"-type wood pole structure, two poles are placed in the ground, then a crossbar is placed on top of these, extending to both sides. The insulators are attached at the ends and in the middle. Lattice tower structures have two common forms. One has a pyramidal base, then a vertical section, where three crossarms extend out, typically ...

  8. Hank (unit of measure) - Wikipedia

    en.wikipedia.org/wiki/Hank_(unit_of_measure)

    One source identifies a skein of stranded cotton as being 8.25 yards (7.54 m), of tapestry wool as being 10 yards (9.1 m), and crewel wool as being 33 yards (30 m). [ 1 ] In yarns for handcrafts such as knitting or crochet , hanks are not a fixed length but are sold in units by weight, most commonly 50 grams (2 oz).

  9. Cord (unit) - Wikipedia

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

    A cord of wood. The cord is a unit of measure of dry volume used to measure firewood and pulpwood in the United States and Canada.. A cord is the amount of wood that, when "racked and well stowed" (arranged so pieces are aligned, parallel, touching, and compact), occupies a volume of 128 cubic feet (3.62 m 3). [1]