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U2 (disambiguation)

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(Redirected from U-2 (disambiguation))

U2 is an Irish rock band.

U2 or U-2 may also refer to:

Arts and entertainment

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Organizations

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  • Under2 Coalition, a group of states and subnational jurisdictions committed to fighting climate change
  • U2 Clothing, a casual-wear brand

Science and technology

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  • Diuranium (U2), two uranium atoms in a molecule
  • U(2), the two-dimensional unitary group in mathematics

Biology

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Computing and electronics

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  • D battery, a dry-cell battery type also known as U2
  • U.2 (formerly known as SFF-8639), a connector used by some NVM Express storage devices
  • Rocket U2, UniVerse and UniData database systems
  • The Apple U2, an ultra-wideband chip

Transportation and vehicles

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Aviation

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U-Bahn lines

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Other uses

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See also

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