Item: Scanners

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First Mention:  Scouts Out

First Appearance:  Scouts Out

Description:  Scanners are active detection devices, using a variety of projected energy including but not limited to x-rays, infrared energy, sound waves, radio waves, and other a variety of other types of focused or wide beam energy.    Typically not used when a ship is attempting to remain undetected.   Similar in principle to active sonar used in submarines.