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Energy barrier: Difference between revisions

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<center>''Were you looking for [[Shield door]]s?''</center>
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'''Energy barriers''', sometimes referred to as '''energy fields''', are a type of visible energy field used to separate a pressurized environment from the vacuum of space.<ref>'''[[Halo: Contact Harvest]]''', ''page 98''</ref><ref>'''Halo: Contact Harvest''', ''page 309''</ref> Energy barriers are useful because they allow solid matter through, but not gases, such as [[oxygen]] and neon. However, before matter passes through, the pressure on both sides must be equalized, to minimize the risk of explosive decompression.<ref name="ch99">'''Halo: Contact Harvest''', ''page 99''</ref>
'''Energy barriers''', sometimes referred to as '''energy fields''', are a type of visible energy field used to separate a pressurized environment from the vacuum of space.<ref>'''[[Halo: Contact Harvest]]''', ''page 98''</ref><ref>'''Halo: Contact Harvest''', ''page 309''</ref> Energy barriers are useful because they allow solid matter through, but not gases, such as [[oxygen]] and neon. However, before matter passes through, the pressure on both sides must be equalized, to minimize the risk of explosive decompression. It is interesting to note that [[signal unit]]s work through energy barriers, while [[COM]] units do not.<ref name="ch99">'''Halo: Contact Harvest''', ''page 99''</ref><ref>'''Halo: Contact Harvest''', page 132</ref>


The [[Covenant Empire|Covenant]] use energy barriers as hangar doors, in [[airlock]]s and for [[Boarding (attack)|boarding parties]] to board enemy ships. Energy barriers are present on [[Covenant boarding craft]], on the end of the craft's penetration tip.<ref>'''[[Halo 2]]''', level ''[[Cairo Station (level)|Cairo Station]]''</ref> Energy barriers are also used as exterior doors in [[hangar bay]]s on Covenant starships. These include the [[shuttle bay door]]s on [[CCS-class Battlecruiser]]s,<ref>'''[[Halo: Combat Evolved]]''', campaign level, ''[[The Truth and Reconciliation]]''</ref> as well as the hangar bays on [[Covenant corvette]]s. The barriers can also be configured to block all vehicles or personnel or allow them to pass through when required.<ref>'''[[Halo: Reach]]''', campaign level, ''[[Long Night of Solace (level)|Long Night of Solace]]''</ref>
The [[Covenant Empire|Covenant]] use energy barriers as hangar doors, in [[airlock]]s and for [[Boarding (attack)|boarding parties]] to board enemy ships. Energy barriers are present on [[Covenant boarding craft]], on the end of the craft's penetration tip.<ref>'''[[Halo 2]]''', level ''[[Cairo Station (level)|Cairo Station]]''</ref> Energy barriers are also used as exterior doors in [[hangar bay]]s on Covenant starships.<ref>'''[[Halo: Combat Evolved]]''', campaign level, ''[[The Truth and Reconciliation]]''</ref> The barriers can also be configured to block all vehicles or personnel or allow them to pass through when required.<ref>'''[[Halo: Reach]]''', campaign level, ''[[Long Night of Solace (level)|Long Night of Solace]]''</ref>


By [[2552]], certain types of energy barriers were also present on UNSC space installations. These included the [[UNSC Sabre engineering facility|Sabre engineering facility]] on the [[Refit station|orbital dockyard]] ''[[Anchor 9]]''.<ref>'''[[Halo: Reach]]''', multiplayer map, ''[[Anchor 9 (level)|Anchor 9]]''</ref>
By [[2552]], certain types of energy barriers were also present on UNSC space installations. These included the [[UNSC Sabre engineering facility|Sabre engineering facility]] on the [[Refit station|orbital dockyard]] ''[[Anchor 9]]''.<ref>'''[[Halo: Reach]]''', multiplayer map, ''[[Anchor 9 (level)|Anchor 9]]''</ref>


It is interesting to note that [[Signal Unit]]s work through energy barriers, while [[COM]] units do not.<ref name="ch99"/><ref>'''Halo: Contact Harvest''', page 132</ref>
==Gameplay==
In the ''Halo'' games, energy barriers are typically encountered in levels featuring a Covenant ship.
 
In ''[[Halo: Combat Evolved]]'', it is possible to operate the shuttle bay doors of the ''[[Truth and Reconciliation]]''. On the level [[The Truth and Reconciliation]], the player is able to access the doors by heading to the third floor of the shuttle bay and pressing '''X''' on the control panel. This is required to complete the mission, so the player can escape in a [[Type-25 Troop Carrier|Spirit]] with [[Jacob Keyes|Keyes]].
 
In ''[[Halo: Reach]]'', on the [[Covenant corvette]] ''[[Ardent Prayer]]'' in the level ''[[Long Night of Solace (level)|Long Night of Solace]]'', the shields operate in a different fashion: after [[Noble Six]] presses a button, the shields still remain in place over the bay, but ships can now go in and out of them. Presumably they are simply lowered to a point things could travel through them while remaining in place to hold the atmosphere in the bay as the ship is in space.<ref>'''[[Halo: Reach]]''', campaign level ''[[Long Night of Solace (level)|Long Night of Solace]]''</ref>


==List of appearances==
==List of appearances==

Revision as of 15:21, April 18, 2011

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Were you looking for Shield doors?

Energy barriers, sometimes referred to as energy fields, are a type of visible energy field used to separate a pressurized environment from the vacuum of space.[1][2] Energy barriers are useful because they allow solid matter through, but not gases, such as oxygen and neon. However, before matter passes through, the pressure on both sides must be equalized, to minimize the risk of explosive decompression. It is interesting to note that signal units work through energy barriers, while COM units do not.[3][4]

The Covenant use energy barriers as hangar doors, in airlocks and for boarding parties to board enemy ships. Energy barriers are present on Covenant boarding craft, on the end of the craft's penetration tip.[5] Energy barriers are also used as exterior doors in hangar bays on Covenant starships.[6] The barriers can also be configured to block all vehicles or personnel or allow them to pass through when required.[7]

By 2552, certain types of energy barriers were also present on UNSC space installations. These included the Sabre engineering facility on the orbital dockyard Anchor 9.[8]

Gameplay

In the Halo games, energy barriers are typically encountered in levels featuring a Covenant ship.

In Halo: Combat Evolved, it is possible to operate the shuttle bay doors of the Truth and Reconciliation. On the level The Truth and Reconciliation, the player is able to access the doors by heading to the third floor of the shuttle bay and pressing X on the control panel. This is required to complete the mission, so the player can escape in a Spirit with Keyes.

In Halo: Reach, on the Covenant corvette Ardent Prayer in the level Long Night of Solace, the shields operate in a different fashion: after Noble Six presses a button, the shields still remain in place over the bay, but ships can now go in and out of them. Presumably they are simply lowered to a point things could travel through them while remaining in place to hold the atmosphere in the bay as the ship is in space.[9]

List of appearances

Sources

  1. ^ Halo: Contact Harvest, page 98
  2. ^ Halo: Contact Harvest, page 309
  3. ^ Halo: Contact Harvest, page 99
  4. ^ Halo: Contact Harvest, page 132
  5. ^ Halo 2, level Cairo Station
  6. ^ Halo: Combat Evolved, campaign level, The Truth and Reconciliation
  7. ^ Halo: Reach, campaign level, Long Night of Solace
  8. ^ Halo: Reach, multiplayer map, Anchor 9
  9. ^ Halo: Reach, campaign level Long Night of Solace
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