Silicorundum

is the mysterious technology that is apparently the center of the Tree Diagram's operations,Toaru Majutsu no Index no Subete: Indices and Glossary its synapses. Chapter 2 Part 8 It is within the supercomputer, and in turn carried inside the Orihime-1 satellite.
It is rumored that Silicorundum is one of the Imaginary Technologies that originated from the Imaginary Number District–Five Elements Institution. However, since the place is not actually a research facility but a different dimension composed of AIM, the origin of Silicorundum is still unknown.
==References==
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