Span

Span may refer to:

Science, technology and engineering

  • Span (unit), the width of a human hand
  • Span (architecture), a section between two intermediate supports
  • Wingspan, the distance between the wingtips of a bird or aircraft
  • Sorbitan, esters are also known as spans
  • Nebbiolo, an Italian wine grape also known as Span
  • Mathematics

  • Linear span, in linear algebra, the intersection of all subspaces containing a particular set of vectors
    • Span, Linear span, a subset S of vectors in a vector space V is said to span the subspace W if W is the intersection of all subspaces of V that contain S
  • Span, Linear span, a subset S of vectors in a vector space V is said to span the subspace W if W is the intersection of all subspaces of V that contain S
  • Span (category theory), a generalization of the notion of relation between two objects of a category
  • Computing

  • <span>, an HTML element; See span and div
  • Switched Port Analyzer, Cisco implementation of port mirroring
  • Span (programming language), computer programming language
  • Johan Baptist Spanoghe

    Johan Baptist Spanoghe (1798, Madras – 22 April 1838, Pekalongan, Java) was a Dutch botanical collector of Belgian parentage.

    A native of Madras, then part of British India, in 1816 he became a civil servant with the Dutch East Indies government. In 1821 he was named as an "assistant resident" for the southern divisions of the Bantam Residency in western Java. From 1831 to 1836, he was stationed on the island of Timor.

    As a botanist in the East Indies, he collected plants in Java, Timor and neighboring islands, and also in Bali. The genus Spanoghea was named in his honor by Carl Ludwig Blume, who for a period of time, worked closely with Spanoghe in Java.

    Publications

  • Prodromus Florae Timorensis, . 1838. (Linnaea, XV. 161-208, 314-350, 476-480. 1841).
  • References

    Span (architecture)

    Span is the distance between two intermediate supports for a structure, e.g. a beam or a bridge. A span can be closed by a solid beam or by a rope. The first kind is used for bridges, the second one for power lines, overhead telecommunication lines, some type of antennas or for aerial tramways.

    The span is a significant factor in finding the strength and size of a beam as it determines the maximum bending moment and deflection. The maximum bending moment M_{max} and deflection \delta_{max}in the pictured beam is found using:

    where

    Note that the maximum bending moment and deflection occur midway between the two supports. From this it follows that if the span is doubled, the maximum moment (and with it the stress) will quadruple, and deflection will increase by a factor of sixteen.

    For long-distance rope spans, used as power line, antenna or for aerial tramways, see list of spans.

    References

    Podcasts:

    Span

    ALBUMS

    Span

    ALBUMS

    PLAYLIST TIME:

    Delicate Place

    by: Spoon

    I got nothing, you got something, I feel out of place
    Looking through your window into the delicate place
    Reflections stating obvious mating holds
    I'll own up to you if you own up to me
    I'll picture for you if you picture for me
    Have you got the answer? Have I yet won the part?
    Is this just your way of breaking my heart?
    Everyone denies it but they just want to be told
    I'll hold if for you if you hold it for me
    I'll picture for you if you picture for me
    The delicate place, the questions it raise
    The delicate place, the delicate place
    I got nothing, you got something, I feel out of place
    Looking through that window into the delicate place
    I'll own up to you if you own up to me
    I'll picture for you if you picture for me
    The delicate place, the questions it raise
    The delicate place, yeah, the delicate place, yeah




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