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The stone or stone weight (abbreviation: st.) [1] is an English and British imperial unit of mass equal to 14 avoirdupois pounds (6.35 kg). [nb 1] The stone continues in customary use in the United Kingdom and Ireland for body weight.
Metric prefixes; Text Symbol Factor or; yotta Y 10 24: 1 000 000 000 000 000 000 000 000: zetta Z 10 21: 1 000 000 000 000 000 000 000: exa E 10 18: 1 000 000 000 000 000 000: peta P 10 15: 1 000 000 000 000 000: tera T
[9] James Watt and Matthew Boulton standardized that figure at 33,000 foot-pounds (44,742 J) per minute the next year. [ 9 ] A common legend states that the unit was created when one of Watt's first customers, a brewer, specifically demanded an engine that would match a horse, and chose the strongest horse he had and driving it to the limit.
The General Bronze Corporation fabricated 3,200,000 pounds (1,600 tons) of bronze at its plant in Garden City, New York. [28] The Seagram Building is a 38-story, 516-foot bronze-and-topaz-tinted glass building. [27] The building looks like a "squarish 38-story tower clad in a restrained curtain wall of metal and glass."
foot; perch, used variously to measure length or area; acre and acre's breadth; furlong; mile; The best-attested of these is the perch, which varied in length from 10 to 25 feet, with the most common value (16 1 ⁄ 2 feet or 5.03 m) remaining in use until the twentieth century. [1] Later development of the English system continued in 1215 in ...
A 2011 estimate by Angst and colleagues gave an average weight as low as 10.2 kg (22 lb). [42] This has also been questioned, and there is still controversy over weight estimates. [43] [44] A 2016 study estimated the weight at 10.6 to 14.3 kg (23 to 32 lb), based on CT scans of composite skeletons. [45]
The name tungsten (which means ' heavy stone ' in Swedish and was the old Swedish name for the mineral scheelite and other minerals of similar density) is used in English, French, and many other languages as the name of the element, but wolfram (or volfram) is used in most European (especially Germanic and Slavic) languages and is derived from ...
Spodumene is a pyroxene mineral consisting of lithium aluminium inosilicate, Li Al(Si O 3) 2, and is a commercially important source of lithium.It occurs as colorless to yellowish, purplish, or lilac kunzite (see below), yellowish-green or emerald-green hiddenite, prismatic crystals, often of great size.