Rendulgraph

Here, take this into the other room, and let me know if anything happens.

Don't worry, if everything goes according to plan, nothing bad will happen. Probably.

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    The single biggest invention to come out of Simulrendology, the Rendulgraph is a device that allows for instant communication between two points, no matter the distance. It uses a phenomenon found uniquely within the undying Rendlings, where certain paired organs will instantly respond when their twin is subjected to electrical shock, allowing for instantaneous data transfer across any distance.    

Construction

The mechanism inside a Rendulgraph, a Stimbox, is constructed using paired organs found within Rendlings called Twinflesh housed within a small metal chamber capabale of introducing elecrical stimulus to the enclosed Twinflesh, as well as recording the responses that occur. This metal chamber is known as a Stimbox, and is at the heart of all Simulrendology tech. Because of the difficulty that comes with "slaying" a Rendling, and the expertise required to dissect the monster enough to find the Twinflesh, Simulrendology technology is almost exclusively controlled and distributed by the Legion.      

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Can you hear me? Is this thing transmitting?

...

Damnit. Another explosi--

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Iterations

The first Rendulgraphs constructed were relatively simple. A pair of devices, Rendulgraph-alpha and Rendulgraph-beta, were constructed; at first they were only able to send basic information from Alpha to Beta in the form of a single blinking light. But more experiments followed, with a bulk of the research going into how to take the basic outputs that the Rendulgraphs produced and turn it into more sophisticated communication. More Rendulgraphs were soon built, following the schematics used to make the first pair, improving on the size and quality each time, and eventually allowing for two-way-audio communication between the pair.