Laser

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(Practical Applications)
(Practical Applications)
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Lasers are also very effective at measuring distances to targets very precisely.  Laser range-finders, using invisible light frequencies, can be used covertly, allowing quick and accurate gunfire on intended targets.  Laser ranging can also be used by aircraft and satellites to create extremely detailed maps of areas with extremely high precision.  Apollo astronauts and the Soviet Union (using two unmanned rovers) placed retroreflectors on the surface of the [[Moon]], allowing for accurate measurement of the distance between the [[Earth]] and the Moon.
 
Lasers are also very effective at measuring distances to targets very precisely.  Laser range-finders, using invisible light frequencies, can be used covertly, allowing quick and accurate gunfire on intended targets.  Laser ranging can also be used by aircraft and satellites to create extremely detailed maps of areas with extremely high precision.  Apollo astronauts and the Soviet Union (using two unmanned rovers) placed retroreflectors on the surface of the [[Moon]], allowing for accurate measurement of the distance between the [[Earth]] and the Moon.
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In the 1980s, the [[United States]] attempted to develop a satellite-based laser system for defence against intercontinental ballistic missiles. While this system was never completed, prototype lasers were built that could shoot down small missiles, and the technology is currently being investigated for [[point defense]] applications.
  
 
== Lasers in Science Fiction ==
 
== Lasers in Science Fiction ==

Revision as of 17:28, 16 July 2013

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