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For the café, see Secret Garden Mimosa.
Toaru Majutsu no Index III E05 05m 22s

The Professor manipulates Mimosa through his phone.

Mimosa (オジギソウ Ojigisō?, lit. Mimosa, Yen Press: Bowing Images) is a codename for microscopic bits of reflective alloy that can decompose organic matter and are used as a weapon.[1] The name Mimosa is used by the Professor,[2] though it is unknown if it is just a nickname he gave to the technology as his preference or if he was the one who invented it in the first place.

Etymology[]

Mimosa is named after the Mimosa pudica, a creeping annual or perennial herb more commonly known as the touch-me-not.

Principles[]

Toaru Majutsu no Index III E05 05m 28s

The Mimosa surrounding Kakine glinting.

According to the Professor, Mimosa are not nanodevices, though they are still very small and can be only be properly seen through special technology like an electron microscope or the Tweezers. However, Mimosa can still be noticed as they reflect light.[1] They are little bits of reflective alloy, which give specific responses to specific frequencies.[2] The microscopic specks of metal have tiny arms. which open and close in response to electromagnetic waves.[3] They have no circuitry or power, but by using various frequencies, they can be controlled much like controlling a radio controlled car with a TV remote. Normally, they are placed on microorganisms in the air and then spread around.[2] They can distinguish between animal and plant cells one by one, and can also be used to assist bullets used by Powered Suits.[1]

Mimosa - Victim

The effects of the Mimosa on one of its victims.

When gathered and used, they let out a sharp metallic noise.[2] Although small, their effects on a target are nothing less than horrific. It is described by Kakine Teitoku as "tearing the cells one at a time", referring to a henchman of his from School's subordinate organization who had the misfortune of being killed by the Mimosa. Kakine could see how the man's body was slowly stripped of its flesh, leaving only his clothes and bones.[2]

As they are carried by the air, Mimosa are still subject to atmospheric changes, as such they can be blown away, making the user unable to use them if they are far away.[2] Also, if the transmitters used by the controller are disabled, they won't be able to operate the Mimosa.[3]

Chronology[]

Toaru Majutsu no Index[]

Battle Royale Arc[]

Main article: Battle Royale Arc
Mimosa engulfing Kakine - Index Ch138

Kakine being attacked by Mimosa.

The Professor used Mimosa to attack School while they were hiding out in a refrigerated warehouse for meat in School District 4 of Academy City. With them, he cut out a door-shaped portion of the warehouse's thick wall and killed School's driver before the Tweezer in Kakine Teitoku's possession detected the Mimosa. The Mimosa disintegrated the skin, fat, muscles, and brain of the driver, leaving only his bones and clothes which fell to the ground. After a short conversation, the Professor attacked Kakine with them. He controlled them from a program on his computer terminal and did so from just outside the warehouse. Despite the Professor's confidence that the Mimosa would easily kill Kakine, the Level 5 was able to fend them off and created a large explosion which blew them far enough away that the Professor could not control them anymore.[2]

Acqua of the Back Arc[]

Main article: Acqua of the Back Arc
Mimosa used on Acqua - Index Ch155

Acqua dodging an attack from the Mimosa.

Acqua of the Back's conversation with Pope Matthai Reese was interrupted by the arrival of the Mimosa and unmanned Powered Suits. At the same time, a "low oxygen alert" was announced for School District 22's Third Level, advising people to evacuate to designated buildings, with Acqua noting that Academy City is testing his battle strength and at the same time creating a battlefield without bloodshed. Amused by their mobilization, Acqua of the Back easily overpowers the enemy forces despite their technology, merely seeing the excursion as a way to pass the time until the Amakusa-Style Remix of Church come to their decision.[1]

Just before the Amakusa confronted him, Acqua had taken down a total of 8 self-propelled Mimosas, 17 armored vehicles, 38 androids, all unmanned. During the battle, he moved quite a bit of distance from the park where the Mimosa first attacked him.[4]

Shinyaku Toaru Majutsu no Index[]

Kamijou Arc[]

Main article: Kamijou Arc

Accelerator made use of Mimosa in conjunction with a satellite weapon and Flower Resistance during his battle with Elizard at Windsor Castle.[3]

References[]

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