Aerial Stealth.

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  • Author(s): Ashley, Steven
  • Source:
    Scientific American. Feb2008, Vol. 298 Issue 2, p22-22. 4/5p. 1 Color Photograph.
  • Additional Information
    • Subject Terms:
      RADIO antennas; RADAR antennas; STEALTH aircraft; PLASMA gases; TECHNOLOGICAL innovations
    • Abstract:
      This article examines research into making a radio antenna that vanishes from radar. Metal antennas are used in various craft for radar and they are easily visible to others. A nonmetallic radio antenna can become invisible by deflecting radio wavers when deactivated. Called plasma antenna technology, the system is based on gases sealed in tubes that can be shut off for stealth missions in war time. INSET: Signal Clouds.