Ultrawave

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Ultrawaves are a concept used in science fiction to represent transmissions or signals that may propagate faster than light through either normal space, or alternate space, such as hyperspace or subspace. Those that exist in hyperspace, may also be referred to as hyperwaves, or subwaves.

Though some pieces of sci-fi will use ultrawaves as a form of energy transmission or weapon, (beam weapon or death-ray).

Examples[edit]

  • In E. E. Smith's Lensman series, ultrawaves propagate through the sub-ether superluminally, and were used for weapons, communications, and other applications, and had various frequencies.
  • In the XCOM universe, the hyperwave decoder allows the player to know what race, size and mission a targeted UFO is on which suggest that the alien forces use hyperwaves to communicate.
  • In the book A Fire Upon the Deep by Vernor Vinge, ultrawave is used as a method of faster than light travel in the Beyond, as well as a means of communication.
  • The Cities in Flight series by James Blish featured both ultrawave (which propagated approximately 25% faster than light) and "Dirac" transmitters (which were instantaneous).