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Nanometre
The nanometre (international spelling as used by the International Bureau of Weights and Measures; SI symbol: nm) or nanometer (American spelling) is a unit of length in the metric system, equal to one billionth (short scale) of a metre (0.000000001 m). One nanometre can be expressed in scientific notation as 1×10−9 m, in engineering notation as 1 E−9 m, and as simply 1/1000000000 metres
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Karl Von Terzaghi
Karl von Terzaghi (October 2, 1883 – October 25, 1963) was an Austrian mechanical engineer, geotechnical engineer, and geologist known as the "father of soil mechanics and geotechnical engineering".[1] In 1883, he was born the first child of Army Lieutenant-Colonel Anton von Terzaghi, of Italian origin, and Amalia Eberle in Prague, in what is now the Czech Republic. Upon his father's retirement from the army, the family moved to Graz, Austria. At 10, Terzaghi was sent to a military boarding school, where he developed an interest in astronomy and geography. At age fourteen, Terzaghi entered a different military school, in Hranice, the Crown of Bohemia
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Semiconductor Industry
The semiconductor industry is the aggregate collection of companies engaged in the design and fabrication of semiconductors. It formed around 1960, once the fabrication of semiconductor devices became a viable business. The industry's annual semiconductor sales revenue has since grown to over $481 billion, as of 2018.[1] The semiconductor industry is in turn the driving force behind the wider electronics industry,[2] with annual power electronics sales of £135 billion ($218 billion) as of 2011,[3] annual consumer electronics sales expected to reach $2.9 trillion by 2020,[4] tech industry sales expected to reach $5 trillion in 2019,[5] and e-commerce with over $29 trillion in 2017.[6] The most widely used semiconductor device is the MOSFET (metal-oxide-semiconductor field-effect transistor, or MOS transistor),[7] which was invented by Mohamed M
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System Of Measurement
A system of measurement is a collection of units of measurement and rules relating them to each other. Systems of measurement have historically been important, regulated and defined for the purposes of science and commerce. Systems of measurement in use include the International System of Units (SI), the modern form of the metric system, the British imperial system, and the United States customary system. The French Revolution gave rise to the metric system, and this has spread around the world, replacing most customary units of measure. In most systems, length (distance), mass, and time are base quantities. Later science developments showed that either electric charge or electric current could be added to extend the set of base quantities by which many other metrological units could be easily defined. (However, electrical units are not necessary for such a set
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Doi (identifier)

A digital object identifier (DOI) is a persistent identifier or handle used to identify objects uniquely, standardized by the International Organization for Standardization (ISO).[1] An implementation of the Handle System,[2][3] DOIs are in wide use mainly to identify academic, professional, and government information, such as journal articles, research reports, data sets, and official publications. However, they also have been used to identify other types of information resources, such as commercial videos. A DOI aims to be "resolvable", usually to some form of access to the information object to which the DOI refers. This is achieved by binding the DOI to metadata about the object, such as a URL, indicating where the object can be found. Thus, by being actionable and interoperable, a DOI differs from identifiers such as ISBNs and ISRCs which aim only to identify their referents uniquely
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Billionth
One billionth is the reciprocal of a billion, which means it has one of two definitions depending on whether the long scale or short scale definition is being used.[1] In the short (or American) scale, a billionth is equal to 0.000 000 001, or 1 x 10−9 in scientific notation or standard form. The prefix for this number is nano, and is abbreviated as "n" (for example, in electronics, one nanofarad would be written as 1 nF).[2] In the long (or English) scale, a billionth is equal to 0.000 000 000 001, or 1 x 10−12 in scientific notation or standard form
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Units Of Measurement

A unit of measurement is a definite magnitude of a quantity, defined and adopted by convention or by law, that is used as a standard for measurement of the same kind of quantity.[1] Any other quantity of that kind can be expressed as a multiple of the unit of measurement.[2] For example, a length is a physical quantity. The metre is a unit of length that represents a definite predetermined length. When we say 10 metres (or 10 m), we actually mean 10 times the definite predetermined length called "metre". Measurement is a process of determining how large or small a physical quantity is as compared to a basic reference quantity of the same kind. The definition, agreement, and practical use of units of measurement have played a crucial role in human endeavour from early ages up to the present. A multitude of systems of units used to be very common
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International Bureau Of Weights And Measures

Coordinates: 48°49′45.55″N 2°13′12.64″E / 48.8293194°N 2.2201778°E / 48.8293194; 2.2201778 The International Bureau of Weights and Measures (French: Bureau international des poids et mesures) is an intergovernmental organisation[1] [2] that was established by the Metre Convention, through which Coordinates: 48°49′45.55″N 2°13′12.64″E / 48.8293194°N 2.2201778°E / 48.8293194; 2.2201778 The International Bureau of Weights and Measures (French: Bureau international des poids et mesures) is an intergovernmental organisation[1] [2] that was established by the Metre Convention, through which member states act together on matters related to measurement science and measurement standards (i.e. the International System of Units)
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