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  2. Awana - Wikipedia

    en.wikipedia.org/wiki/Awana

    These groups include Puggles (ages 2 to 3), Cubbies (preschoolers, ages 4 to 5), Sparks (Kindergarten to 2nd Grade), Truth and Training, or T&T (Grades 3 to 6), Trek (Middle School), and Journey (High School). [6] [7] Although Awana offers programs for ages 2 to 18, churches that run an Awana program are not required to run a club for every age ...

  3. Closed and exact differential forms - Wikipedia

    en.wikipedia.org/wiki/Closed_and_exact...

    A closed vector field (thought of as a 1-form) is one whose derivative vanishes, and is called an irrotational vector field. Thinking of a vector field as a 2-form instead, a closed vector field is one whose derivative vanishes, and is called an incompressible flow (sometimes solenoidal vector field). The term incompressible is used because a ...

  4. One-form (differential geometry) - Wikipedia

    en.wikipedia.org/wiki/One-form_(differential...

    In differential geometry, a one-form (or covector field) on a differentiable manifold is a differential form of degree one, that is, a smooth section of the cotangent bundle. [1] Equivalently, a one-form on a manifold is a smooth mapping of the total space of the tangent bundle of to whose restriction to each fibre is a linear functional on the ...

  5. List of Champions League Twenty20 records and statistics

    en.wikipedia.org/wiki/List_of_Champions_League...

    Note: List includes qualifier results also. Tie+W and Tie+L indicates matches tied and then won or lost by "Super Over" Apprd = No. of times teams participated in the tournament

  6. Differential form - Wikipedia

    en.wikipedia.org/wiki/Differential_form

    The 2-form , which is dual to the Faraday form, is also called Maxwell 2-form. Electromagnetism is an example of a U(1) gauge theory . Here the Lie group is U(1) , the one-dimensional unitary group , which is in particular abelian .

  7. Pin-back button - Wikipedia

    en.wikipedia.org/wiki/Pin-back_button

    The back and front of a pin-back button for World Yodel Day. A pin-back button or pinback button, pin button, button badge, or simply pin-back or badge, is a button or badge that can be temporarily fastened to the surface of a garment using a safety pin, or a pin formed from wire, a clutch or other mechanism.

  8. T-carrier - Wikipedia

    en.wikipedia.org/wiki/T-carrier

    The T-carrier is a hardware specification for carrying multiple time-division multiplexed (TDM) telecommunications channels over a single four-wire transmission circuit. It was developed by AT&T at Bell Laboratories ca. 1957 and first employed by 1962 for long-haul pulse-code modulation (PCM) digital voice transmission with the D1 channel bank.

  9. Quantum t-design - Wikipedia

    en.wikipedia.org/wiki/Quantum_t-design

    Unitary t-designs are analogous to spherical designs in that they reproduce the entire unitary group via a finite collection of unitary matrices. [1] The theory of unitary 2-designs was developed in 2006 [1] specifically to achieve a practical means of efficient and scalable randomized benchmarking [3] to assess the errors in quantum computing ...