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  1. en.wikipedia.org › wiki › Hand_warmerHand warmer - Wikipedia

    Hand warmer. A pair of air-activated disposable hand warmers, US quarter for scale. Hand warmers are small, often disposable, packets that produce heat to warm cold hands. They are used throughout the world in a variety of ways, including outdoor recreation, manual labor, and homelessness .

  2. Wikipedia is written by volunteer editors and hosted by the Wikimedia Foundation, a non-profit organization that also hosts a range of other volunteer projects : Commons. Free media repository. MediaWiki. Wiki software development. Meta-Wiki. Wikimedia project coordination. Wikibooks. Free textbooks and manuals.

  3. In probability theory and statistics, the gamma distribution is a versatile two-parameter family of continuous probability distributions. The exponential distribution, Erlang distribution, and chi-squared distribution are special cases of the gamma distribution. There are two equivalent parameterizations in common use: With a shape parameter k ...

  4. Polyethylene terephthalate (or poly (ethylene terephthalate), PET, PETE, or the obsolete PETP or PET-P ), is the most common thermoplastic polymer resin of the polyester family and is used in fibres for clothing, containers for liquids and foods, and thermoforming for manufacturing, and in combination with glass fibre for engineering resins. [5]

  5. Young's modulus is defined as the ratio of the stress (force per unit area) applied to the object and the resulting axial strain (displacement or deformation) in the linear elastic region of the material. Although Young's modulus is named after the 19th-century British scientist Thomas Young, the concept was developed in 1727 by Leonhard Euler.

  6. en.wikipedia.org › wiki › Franz_KafkaFranz Kafka - Wikipedia

    Franz Kafka[b] (3 July 1883 – 3 June 1924) was a German-speaking Bohemian Jewish novelist and writer from Prague. He is widely regarded as one of the major figures of 20th-century literature. His work fuses elements of realism and the fantastic.[4] It typically features isolated protagonists facing bizarre or surrealistic predicaments and ...

  7. for arbitrary real constants a, b and non-zero c.It is named after the mathematician Carl Friedrich Gauss.The graph of a Gaussian is a characteristic symmetric "bell curve" shape.The parameter a is the height of the curve's peak, b is the position of the center of the peak, and c (the standard deviation, sometimes called the Gaussian RMS width) controls the width of the "bell".

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