Difference between revisions of "Fabrial"

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=== Modification with aluminum ===
If a fabrial is used inside a room lined with aluminum, it will be impossible to sense the use outside of that room. If the fabrial requires outside connection (e.g. conjoiner, and specifically spanreed), the conjoined half outside of the room will not function properly because the pairing has been interrupted. If the fabrial can be used entirely within the room (e.g. a soulcaster), it will operate as designed but be undetectable from outside. {{book ref|sa3|81}}
 
If a fabrial is used inside a room lined with aluminum, it will be impossible to sense the use outside of that room. If the fabrial requires outside connection (e.g. conjoiner, and specifically spanreed), the conjoined half outside of the room will not function properly because the pairing has been interrupted. If the fabrial can be used entirely within the room (e.g. a soulcaster), it will operate as designed but be undetectable from outside. {{book ref|sa3|81}}
 
It is possible to alter the function of a conjoiner (ruby) fabrial to transfer only certain components of motion between the conjoined halves (e.g. A spanreed that can only transfer vertical motion, but not lateral) by inserting pieces of aluminum foil into the fabrial gemstone housing. It is thought that aluminum impacts a spren's ability to sense thoughts, and therefore this may function by blocking parts of the "signal" between the two gemstones.
 
The Ardentardent [[Rushu]]'s experimentation with this behavior results in a mobile chair for [[Rysn]] which hovers by being vertically reverse coupled to a heavy object (an anchor which is allowed to fall a short distance) but remains laterally uncoupled allowing for free motion when pushed. Rushu notes that the chair's rotational motion remains coupled, but believes it would be possible to fix that upon further refinement. {{book ref|sa3.5|8}}
 
There are no confirmed instances of other types of fabrial being modified by aluminum in the same way. Reverser (amethyst) fabrials are stated to operate similarly to conjoiners and therefore likely behave similarly under aluminum modification .{{book ref|sa3.5|5}}. It is unclear what effect aluminum would have on fabrials that do not rely on two paired gemstones.
 
== Types ==
{{for|:Category: Fabrials| a full listing of known fabrial machine designs}}
Modern artifabrians divide the fabrials they design into five groups across three categories.{{book ref|sa1|part=ars}} Ancient fabrials, including Surge fabrials, do not fit into these categories and are grouped seperatelyseparately.
 
=== Altering fabrials ===
 
==== Alerters ====
Alerters use a heliodor to detect the presence of objects, feelings, sensations, or phenomena, and warn the user. There are alerters which can detect approaching people while excluding certain persons from detection.{{book ref|sa1|part=ars}} The [[Emotion bracelet]] is an alerter able to detect different emotions.{{file ref|Navani2.jpg|text=Navani's Notebook: Two}}
 
{{image|Oathgate_Spren.jpg|An Oathgate as seen from [[Shadesmar]]|side=left|width=200px}}
 
==== Attractor ====
Used to attract certain substances ,{{book ref|sa2|67}}, possibly determined by the gemstone used. During the [[Battle of Narak]], Navani unveils one capable of drawing moisture from the air, pooling the water into a globe around the garnet that powers it. {{book ref|sa2|82}} [[Shallan]] spots one that gathers smoke from a fire in the [[Ghostbloods]]'s hideout at the [[Shattered Plains]]. {{book ref|sa2|43}} The [[Wandersail (1174 ship)|Wandersail]] is said to have stabilizers made from attratorattractor fabrials that move weights inside the hull to prevent capsizing .{{book ref|sa3.5|11}}
 
==== Stabilizer ====
Autopatrolled, Editors
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