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{{Era|Forerunner|Human|UNSC|HCW}}
{{Era|Forerunner|Human|UNSC|HCW}}
{{SeeWikipedia|Vacuum energy}}
{{SeeWikipedia|Vacuum energy}}
'''Vacuum energy''' is an underlying background energy that exists in space even when the space is devoid of matter (free space). The concept of vacuum energy has been deduced from the concept of virtual particles, which is itself derived from the energy-time uncertainty principle. The effects of vacuum energy can be observed in various phenomena such as spontaneous emission, the Casimir effect, the van der Waals bonds and the Lamb shift, and are thought to influence the behavior of the Universe on cosmological scales. Using the upper limit of the cosmological constant, the vacuum energy in a cubic centimeter of free space has been estimated to be 10−15 Joules. However, in both Quantum Electrodynamics (QED) and Stochastic Electrodynamics (SED), consistency with the principle of Lorentz covariance and with the magnitude of the Planck Constant requires it to have a much larger value of 10107 Joules per cubic centimeter.
'''Vacuum energy''' is an underlying background [[Wikipedia:energy|energy]] that exists in space throughout the entire [[Wikipedia:Universe|universe]]. One contribution to the vacuum energy may be from [[Wikipedia:Virtual particle|virtual particles]], particle pairs throughout the universe that blink into existence and then annihilate in a timespan too short to observe. Their behavior is codified in Heisenberg's [[Wikipedia:Uncertainty principle|energy–time uncertainty principle]]. The effects of vacuum energy are thought to influence the behavior of the universe on [[Wikipedia:Physical cosmology|cosmological scales]].


The existence of vacuum energy is also sometimes used as theoretical justification for the possibility of free energy machines. It has been argued that due to the broken symmetry (in QED), free energy does not violate conservation of energy, since the laws of thermodynamics only apply to equilibrium systems.  
In the early 21st century, [[human]]ity contemplated the theoretical possibility of using vacuum energy to create free energy machines. It was argued that due to the broken symmetry (in [[Wikipedia:Quantum electrodynamics|quantum electrodynamics]]), free energy does not violate [[Wikipedia:Conservation of energy|conservation of energy]], since the laws of thermodynamics only apply to equilibrium systems. While it manifests itself in our universe, vacuum energy originates from the beginnings of infinite numbers of alternate realities. When harnessed for power supply, these fledgling universes are drained of energy in their infancy, resulting in their premature deaths.<ref name="s279">'''[[Halo: Silentium]]''', ''page 279''</ref>


[[Forerunner]] [[Reaction drive|reaction drives]] utilize vacuum energy to expel virtual neutrons from the rear of the vessel, giving it propulsion.<ref>'''[[Halo: Cryptum]]''', ''page 129''</ref> When designing the [[MJOLNIR Powered Assault Armor]], [[Catherine Elizabeth Halsey|Dr. Catherine Halsey]] made a note in [[Dr. Halsey's personal journal|her journal]] to ask [[Déjà]] about research on vacuum energy as a potential power source.<ref>'''[[Halo: Reach]]''', ''[[Dr. Halsey's personal journal]]''</ref>
Virtually all [[Forerunner]] technology utilized the virtually infinitely available vacuum energy as a power source, making possible their myriad technological marvels. These included the [[Halo Array|Halos]] as well as the systems used to make their [[shield world]]s such as [[Requiem]] completely self-sufficient.<ref name="s279"/> Forerunner [[Reaction drive|reaction drives]] utilized vacuum energy to expel virtual neutrons from the rear of the vessel, giving it propulsion.<ref>'''[[Halo: Cryptum]]''', ''page 129''</ref>
 
When designing the [[MJOLNIR Powered Assault Armor]], [[Catherine Halsey|Dr. Catherine Halsey]] made a note in [[Dr. Halsey's personal journal|her journal]] to ask [[Déjà]] about research on vacuum energy as a potential power source.<ref>'''[[Halo: Reach]]''', ''[[Dr. Halsey's personal journal]]''</ref>


==List of appearances==
==List of appearances==
*''[[Dr. Halsey's personal journal]]'' {{1st}}
*''[[Dr. Halsey's personal journal]]'' {{First mentioned}}
*''[[Halo: Cryptum]]''
*''[[Halo: Cryptum]]''
*''[[Halo: Silentium]]''


==Sources==
==Sources==

Revision as of 02:56, November 29, 2013

Template:SeeWikipedia Vacuum energy is an underlying background energy that exists in space throughout the entire universe. One contribution to the vacuum energy may be from virtual particles, particle pairs throughout the universe that blink into existence and then annihilate in a timespan too short to observe. Their behavior is codified in Heisenberg's energy–time uncertainty principle. The effects of vacuum energy are thought to influence the behavior of the universe on cosmological scales.

In the early 21st century, humanity contemplated the theoretical possibility of using vacuum energy to create free energy machines. It was argued that due to the broken symmetry (in quantum electrodynamics), free energy does not violate conservation of energy, since the laws of thermodynamics only apply to equilibrium systems. While it manifests itself in our universe, vacuum energy originates from the beginnings of infinite numbers of alternate realities. When harnessed for power supply, these fledgling universes are drained of energy in their infancy, resulting in their premature deaths.[1]

Virtually all Forerunner technology utilized the virtually infinitely available vacuum energy as a power source, making possible their myriad technological marvels. These included the Halos as well as the systems used to make their shield worlds such as Requiem completely self-sufficient.[1] Forerunner reaction drives utilized vacuum energy to expel virtual neutrons from the rear of the vessel, giving it propulsion.[2]

When designing the MJOLNIR Powered Assault Armor, Dr. Catherine Halsey made a note in her journal to ask Déjà about research on vacuum energy as a potential power source.[3]

List of appearances

Sources