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  2. Names of large numbers - Wikipedia

    en.wikipedia.org/wiki/Names_of_large_numbers

    The name of a number 10 3n+3, where n is greater than or equal to 1000, is formed by concatenating the names of the numbers of the form 10 3m+3, where m represents each group of comma-separated digits of n, with each but the last "-illion" trimmed to "-illi-", or, in the case of m = 0, either "-nilli-" or "-nillion". [17]

  3. Qigong - Wikipedia

    en.wikipedia.org/wiki/Qigong

    Qi is the central underlying principle in traditional Chinese medicine and martial arts. Gong (or kung ) is often translated as cultivation or work, and definitions include practice, skill, mastery, merit, achievement, service, result, or accomplishment, and is often used to mean gongfu (kung fu) in the traditional sense of achievement through ...

  4. International System of Units - Wikipedia

    en.wikipedia.org/wiki/International_System_of_Units

    For example, driving distances are normally given in kilometres (symbol km) rather than in metres. Here the metric prefix 'kilo-' (symbol 'k') stands for a factor of 1000; thus, 1 km = 1000 m. The SI provides twenty-four metric prefixes that signify decimal powers ranging from 10 −30 to 10 30, the most recent being adopted in 2022.

  5. SI base unit - Wikipedia

    en.wikipedia.org/wiki/SI_base_unit

    New SI: Dependence of base unit definitions on physical constants with fixed numerical values and on other base units that are derived from the same set of constants. Arrows are shown in the opposite direction compared to typical dependency graphs , i.e. a → b {\displaystyle a\rightarrow b} in this chart means b {\displaystyle b} depends on a ...

  6. Qi (standard) - Wikipedia

    en.wikipedia.org/wiki/Qi_(standard)

    Qi version 1.0 was released in 2010; by 2017, it was incorporated into more than 200 smartphones, tablets and other devices. [3] As of December 2023 [update] , there are 351 manufacturers working with the standard including Apple , Asus , Google , Huawei , LG Electronics , Samsung , Xiaomi , and Sony .

  7. Orders of magnitude (frequency) - Wikipedia

    en.wikipedia.org/wiki/Orders_of_magnitude...

    Factor ()Multiple Value Item 10 −18: 1 attohertz (aHz) ~2.2978 aHz: The Hubble constant (once in 13.8 billion years) : 10 −17: 10 aHz ~79 aHz: Supercontinent cycle (about every 400 million years)

  8. 2019 revision of the SI - Wikipedia

    en.wikipedia.org/wiki/2019_revision_of_the_SI

    The SI system after the 2019 definition: Base units as defined in terms of physical constants and other base units. Here, means is used in the definition of . The SI system after 1983, but before the 2019 redefinition: Base unit definitions in terms of other base units (for example, the metre is defined as the distance travelled by light in a specific fraction of a second), with the constants ...

  9. QI - Wikipedia

    en.wikipedia.org/wiki/QI

    QI ' s first annual, The QI "E" Annual or The QI Annual 2008 was published by Faber and Faber on 1 November 2007, to coincide with the initial airing of the TV show's E series (ISBN 978-0-571-23779-1.) [139] Succeeding years have seen the publication of F, G and H annuals, concurrent with the BBC show's chronology, though retrospective annuals ...