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Unsorted Notes

 * Cyborg
 * Short for "cybernetic organism" (Etymology or opening?)Cyborg Heart and Arm - Railgun Ch85.png
 * Kuroyoru SS
 * Someone who has body partially or wholly replaced with mechanical parts.
 * In AC, specifically defined to someone who has the necessary parts all contained within body, optimal fiber nerves makes someone a cyborg, heavy metal claws won't.
 * Mass-produced machinery, not give Kuroyoru unique individuality, but chopped up body and made into cyborg, can no longer shift to different path.
 * Electrical vulnerability
 * Railgun Ch85: Broad field
 * 86: Capsule, lab at top of skyscraper
 * 87: Outer wall, jump, safety, gps, instant adhesive restraints, research data caught in blast, layers of security on lower floors


 * Railgun Ch88: Safety limiters
 * Railgun Ch89: Flashback (need for cybernetics, lack of data)


 * Railgun Ch95: Original intent (Chief originally wanted to develop cheap cyborg methods for saving medical refugees


 * OT19Ch2Pt1: Shiokishi mention
 * NT mentions
 * NT18(Rensa ref)/11(Rensa ref)/10(what AC has)/4(reaction to Marian handiwork)
 * Salome: NT17/16(3-2/6)/15(3-7,5-4)
 * NT14 (AAA - Kamisato (not full knowledge?), could be referred to as external cyborg attachment): While talking about the Anti-Art Attachment during his battle with Kihara Noukan, Kamisato Kakeru wondered if he should call it an external cyborg attachment.
 * NT13 (electrical control) 2-9
 * NT7
 * NT6 5-7 (electric vulnerability)/13 (Dark Matter)?
 * NT5 (Connection obstruction) 2-4
 * NT3 (Electronic vulnerability, vagueness - rejection reaction)
 * NT2 2-10 (Servicing, cyborg therapy)
 * NT1
 * Anatomy Mechatronics
 * Total Human Cyborg Replacement Project (人体のサイボーグ全置換プロジェクト)


 * What Links Here:

Known Cyborgs (for revision):

Experiment Principles

 * Goals
 * Separation/Year/Recombination

Doppelganger
Although testing and observing cybernetics and their compatibility with the human body was the experiment's primary objective, the research institution also hoped to observe a side-effect - the creation of a soul (魂の生成).
 * Ideas (Ch85): One die, other not die simultaneously, one to two, two to one
 * Doppelganger
 * Soul Diffusion Theory
 * Truth

Soul, Extract:

The subject of the experiment, Kuriba Ryouko, had her body split in two and the two halves having the other half replaced with machines, forming two cyborgs. After living separately for a year, the two were recombined into one. The split supposedly had the effect of creating another soul from Ryouko's, one which came to reside in the mechanical components which were left over after Ryouko's human body was recombined, and assembled.

When considering the risk posed by the doppelganger, Kuriba Ryouko theorized that unlike other souls, thought to be linked to the body and destroyed when it ceases to function, the doppelganger's soul was merely stored inside the mechanical body and if the container was destroyed, it would be freed from its restraints and spread to its surroundings. She also theorized that the abnormal "free soul" (自由な魂) would be able to possess anything or possibly, in the worst case scenario, engulf the city itself.

However, shortly after discovering her true identity, the doppelganger came to the realization that she did not have a soul. Having predicted the theory which her original would consider, the doppelganger used its calculative ability and assimilated intelligence and creativity to incorporate the theory into its plans. During its attempt to destroy the means to recreate herself and bring about her own destruction, she utilized artificial self-replicating artificial muscles, created from materials at the abandoned Shinasame University DNA Map Analysis Laboratory, which gave the illusion of soul possession (魂の憑依).
 * Conclusion = no soul, wishful thinking, dreams
 * ...with the nature of the doppelganger's soul left in doubt.

Facility, Staff and Airship
The research institution which carried out the experiment was based in a skyscraper (which had a triangular gap in its outer cladding around one corner), with its laboratory in the bulbous top floors of the high-rise building. The lab contained the capsules and equipment necessary for the disassembly, reassembly and monitoring of the test subjects, as well as living quarters. An outer corridor surrounded the lab, with windows looking out onto the city. The lower floors of the building apparently had layered security. There were a number of steel banners around the base of the building.

Temporary Gallery
=Article Extract - Cyborg=

Opening
A Cyborg (サイボーグ), short for "cybernetic organism", is an individual who has been mechanically modified in order to achieve enhanced performance or compensate for compromised or lost body parts. They primarily belong to the Science side and presumably only Academy City has enough technology to properly produce them.

Principles
A cyborg is an individual who has had their body partially or wholly replaced with mechanical parts. The exact definition and extent varies, from artificial organs to full body mechanization, but in Academy City, a cyborg is specifically defined as someone who had the necessary parts all contained within their body - for example, optical fiber nerves might make someone a cyborg, but heavy metal claws would not.

Cyborg technology is used for both medical reasons, such as performing the functions of damaged or lost body parts,   and for combat purposes, such as enhancing one's abilities and weaponry,  with different variants for the technology designed for specific purposes.

While cyborgs are primarily restricted to the Science Side and Academy City, there are a few individuals elsewhere who are referred to as cyborgs but were made through non-scientific means, such as Salome of the Kamisato Faction.

There are a number of projects and experiments which have their roots in cyborg research, including the Total Human Cyborg Replacement Project, which aside from testing technology also had the hidden objective of observing the creation of a soul, and Anatomy Mechatronics, intended to make perfect models of individuals' bodies (such as the Level 5s) using technology.

DRAGON Arc
.

Freshmen Arc
Two prominent members of the Freshmen, responsible for the events which occurred on November 5th, were cyborgs - Silvercross Alpha, whose enhancements supported his use of Powered Suits, and Kuroyoru Umidori, whose robotic arms were meant to support her ability.

Agitate Halation Arc
Rensa, a cyborg developed to counter the Level 5s if they rebelled against Academy City, played a prominent role in the events surrounding the Agitate Halation Project.

Salome Arc
Salome, Kamisato Kakeru's non-blood sister and a member of the Kamisato Kakeru, was noted to have abandoned her original body for a stronger one using a chemical cyborg treatment, in order to drastically raise her abilities in conjunction with her sacrificial magic, Internal Offering and External Offering.

Dream Ranker Arc
The distribution of Indian Poker in September and early October was a result of Kuriba Ryouko trying to find a solution to the problem posed by her mechanical doppelganger, created as a result of the cyborg experiment she participated in. At the same time, she was also working on the cybernetics needed to save her mother. After being accidentally shot during the events at the time of the doppelganger's termination, its parts were used to save her life.

Toaru Kagaku no Dark Matter
Kihara Souji was noted to have started his career in medical science and the development of cyborg technology, specifically mechanical prostheses. During the events surrounding Yuzuriha Ringo and SCHOOL, he replaced at least one DA agent's lost arms with his prosthetic limbs, and after his death, Kuroyoru Umidori took his data and existing prostheses for her own use.

Toaru Jihanki no Fanfare
As a result of injuries from a past experiment, Kihara Nayuta has medical-purpose cybernetics making up over 70% of her body.

Toaru Majutsu no Index: Shokuhou Misaki Figurine
During Shokuhou Misaki's encounter with the Anatomy Mechatronics Misaki, it was noted that the project had branched off from cyborg research.

Souyaku Toaru Majutsu no Index SS
While facing Hikarizawa Megumi, who was connected to a life support system made up of large medical devices, Kuroyoru Umidori compared them to artificial organs too big to fit inside her and the methodology to Shiokishi's previous attempt in the form of a Powered Suit, remarking that the system was two whole generations out of date compared to the more compact technology making up a cyborg.

Known Cyborgs

 * Kihara Gensei, the man obssessed with Level 6 and creator of Ability Body Crystal
 * Kihara Nayuta, member of Judgment.
 * Mugino Shizuri, member of ITEM
 * Kuroyoru Umidori, member of Freshmen.
 * Silvercross Alpha, member of Freshmen.
 * Rensa, anti-Level 5s rebellion unit. (#28 and #29)
 * Kuriba Ryouko (former) (split in two, later recombined)
 * Salome, member of Kamisato Faction

Trivia

 * In the afterword of , Kamachi Kazuma pointed out that it was Narita Ryohgo (of Bacanno! and Durarara!! fame) who introduced the concept of cyborgs into the universe and thus decided to use the concept as a tool in the main series.
 * Kamachi also noted that in the volume, there were two types of cyborgs; one of them being a cyborg that altered her outer silhouette rearranging the inside of her body in order to increase the proficiency of her ability and the other one a "powered suit" that altered the outside of the body and optimized the inner workings of his mind.
 * While the Freshmen cyborgs were modified for military purpose and meant for battle, the first cyborg created by Narita was modified for medical purposes, with her enhancement not meant to boost her combat ability.

Opening
The Total Human Cyborg Replacement Project (人体のサイボーグ全置換プロジェクト) was a cyborg experiment carried out in Academy City.

Facility and Airship
The research institution which carried out the experiment had an off-site back-up in the form of an airship equipped with polarizing deception technology to conceal itself. Once a month, the airship passed through a specific location for an exchange of information via laser, but followed random flight paths for the rest of time, such that not even the institution itself knew where it was.

Background
The experiment was devised at a certain institution in Academy City, which had initially had trouble finding volunteers, given its unprecedented nature. Kuriba Ryouko, who was working at the institution in order to develop a cyborg treatment for her mother, ended up volunteering for the experiment to gather the necessary data in the short time she had left. Her body was subsequently split in two and the missing parts replaced with machines to create two separate cyborgs. Acting as both observer and specimen, she planned to use the experiment to gather data on every part of the body. After a year living apart, the two were recombined into one, with no split personalities or rejection, and retaining the memories of the time split apart.

After being recombined, the researchers showed Kuriba Ryouko the doppelganger formed from her combined cyborg components, one who believed herself to be Kuriba Ryouko, and the product of the researchers' hope to observe the creation of a "soul". She warned the scientists of the potential risks, theorizing what might happen if the mechanical body was broken and the created "soul" released, but she was ignored, with the researchers believing the safety measures and security in place to be sufficient and believing that the event of the doppelganger realizing her true identity would merely be an opportunity to gather additional data.

While working on the cybernetics for her mother,   Kuriba tried to find a solution to the problem posed by the doppelganger and the "soul" but was unable to find one. She subsequently spread Indian Poker and some of her own knowledge, in the hopes that it would eventually lead to a solution.

About a month after the recombination, having been kept in the lab under the pretext of observation for after-effects, the doppelganger noticed that she could not recall any memories from before the experiment, and realized her true nature, as well as the fact that she didn't have a soul. She subsequently sought her own termination, but was unable to terminate herself due to safeties built into her mechanical body, so she made a plan to escape from the laboratory, destroy the means to recreate her, and bring about her destruction,  predicting and taking into account the soul diffusion theory which her original was likely to consider.

Dream Ranker Arc
Following the trail of the Indian Poker cards, Shokuhou Misaki learned of Kuriba Ryouko and the experiment she participated in, and shared this information with Misaka Mikoto. As Mikoto was heading to investigate the facility, the doppelganger escaped from the building, destroying its restraints and the on-site research data in the process. While Mikoto and Shokuhou visited the original Kuriba Ryouko, the researchers hired Scavenger to retrieve the doppelganger. Meanwhile, the doppelganger, unable to terminate herself due to the safeties built into her, sought to destroy herself and any means that could recreate her, planning to trigger Academy City's interception system against the airship.

The doppelganger subsequently came into conflict with Scavenger and then Misaka Mikoto. During her battle with the latter, the doppelganger threatened to drop gas tanks on the city, forcing Mikoto to intercept them with iron sand bullets. As a result, iron sand filled the skies of Academy City and fell on the airship, resulting in solar wind interference disturbing the magnetism and its stealth, enabling the doppelganger to locate and board it. When the doppelganger eventually managed to convince Mikoto, who by then had realized the doppelganger's true intentions, both doppelganger and airship were destroyed by the massive thundercloud brought down by her.

Arriving afterwards and seeing the destroyed remains of the airship and the doppelganger, the research chief attempted to salvage the remains despite the girl's pleas to let the doppelganger rest, threatening Kuriba at gunpoint to force their cooperation and refusing to believe that the doppelganger didn't have a soul. After accidentally shooting Kuriba in the abdomen as she tried to convince him to stop, he fled the scene and intended to repeat the experiment, possibly using Child Errors. However he was apprehended by Shokuhou using Mental Out. Learning of his original goal before he strayed, Shokuhou decided to help him recall his original intentions and that if he wished to redo things, he would have to crawl back up from below where he started. In the aftermath of the incident, the research institution went out of business.