Cloaking device

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(Cloaking Devices in Star Wars)
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A '''cloaking device''' is a form of [[stealth]] technology that uses selective bending of light (and other forms of energy) to render a [[starship]] or other object completely invisible to the electromagnetic spectrum and most sensors. It has been encountered in varying forms over the centuries.
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A '''cloaking device''' is a form of [[stealth]] technology that uses selective bending of light (and other forms of energy) to render a [[starship]] or other object completely invisible to the electromagnetic spectrum and most sensors.
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==Realism==
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Active cloaking devices are fundamentally unrealistic - if a ship bent light around itself, it could not be seen, but it would also be blind. The same would apply to other methods of detection; if the ship avoids those signals, then it can't ''receive'' those signals, either.
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If a cloak somehow "traps" sensor pulses, it will quickly accumulate heat. This problem is worsened by the need to trap waste heat from the ship's own power supplies. A cloaked ship using the gigawatt-range [[power generation|power supplies]] typical of science fiction [[starship]]s would cook its crew in short order.
  
 
==Cloaking Devices in ''Star Trek''==
 
==Cloaking Devices in ''Star Trek''==
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===Realism===
 
===Realism===
Cloaking, as described in ''Star Trek'', is fundamentally unrealistic - if a ship bent light around itself, it could not be seen but it would also be blind. The same would apply to other methods of detection; if the ship avoids those signals, then it can't ''receive'' those signals, either. If a cloak somehow "traps" sensor pulses, as well as its own emissions, it will quickly accumulate heat. Dumping the energy into [[subspace]] won't solve the problem, since Star Trek ships have subspace sensors.
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Cloaking, as described in ''Star Trek'', has all of the realism issues described at the beginning of this article. Dumping waste energy into [[subspace]] won't solve the problem, since Star Trek ships have subspace sensors.
  
 
==Cloaking Devices in ''Star Wars''==
 
==Cloaking Devices in ''Star Wars''==

Revision as of 18:47, 24 May 2011

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