Difference between revisions of "Lights"
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The comparison between light and Light is, in some ways, the easiest to make - regular light cannot be captured in gems, and it appears to be emitted by any one of the Lights (specifically, the Lights allow the Spiritual Realm to "shine through"{{wob ref|6389}}). There are some subtle differences, however. When refracted through a prism, regular light forms a rainbow, with all colors getting an even share in the band, smoothly transitioning from one to the next; the illumination given off by the Lights, however, forms a physical impossibility - a rainbow with specific colors (e.g. blue for Stormlight) getting a larger share of the overall band. Hybrid Lights, such as Towerlight, behave even more strangely - they split into ''two'' rainbows, matching their constituent Lights. For example, Towerlight will split into one rainbow with a wider blue band, and one with a wider green band, matching the rainbows produced by Stormlight and Lifelight.{{book ref|sa4|65}}
The similarity with liquids is more subtle, and manifests most clearly when transferring Light between gems using sound vibrations, where it behaves similarly to the way liquids can be siphoned from one container into another (though the actual mechanics behind this are different). Once the transfer begins, the Light will follow the source of the sound, much like how a liquid will flow through a siphoning tube or hose.{{book ref|sa4|42}} This parallel holds even when transferring Light directly from one gem to another using [[#The Arnist Method|the Arnist Method]], though the process there is more akin to osmosis.{{book ref|sa4|65}}
And finally, the similarities with gases are most evident in how Light behaves when it is not ''doing'' anything - it diffuses through porous surfaces, rises in the air, and "evaporates."
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