Contact Experiment

"Contact Experiment" (接触実験, sesshoku jikken) is a term used to describe the process in which a human has contact with any Adam-type being. Known subjects are Yui Ikari with Evangelion Unit-01 and Kyoko Zeppelin Soryu with Evangelion Unit-02. There was also a Contact Experiment between a human and Adam that initiated Second Impact.

Adam & Second Impact

The Katsuragi Expedition Team undertook a mysterious procedure on September 13, 2000, which one scientist referred to as "the Contact Experiment with the donor". This "contact" was apparently physical, and somehow resulted in DNA "diving" into Adam and "physically fusing" (in their own cryptic phrasing). It has been forwarded as the direct impetus for Second Impact. The identity of the donor is unknown.

Yui Ikari & Eva-01

In 2004, Yui agrees to take place in a Contact Experiment with Eva-01. Mysterious circumstances causes her to be "erased from this world". However, it is later revealed that Yui's soul was completely absorbed into Eva-01. In Episode 20 it is also stated by Ritsuko that there had been a salvage operation 10 years ago when her mother worked there. Presumably this operation had been carried out in order to rescue Yui from Eva-01, but according to Ritsuko, "I heard they failed".

Kyoko Zeppelin Soryu and Eva-02

Unlike Yui's experiment, Kyoko's does not cause her soul to be completely absorbed into Unit-02. Rather, only an aspect of her soul resides in Unit-02 - the part that loves her daughter above all else. However, due to her soul being split, Kyoko goes insane and later commits suicide, leaving Asuka alone.

Notes

• Even with the scarcity of information on the first Contact Experiment, it seems to be inherently different from the two that followed.
• In ADV's Platinum translation of Episode 21', a Katsuragi Team member's line is furnished as, "The DNA that was inserted into Adam is already physically fused!" This is misleading, however: The Japanese clearly says that the DNA "dived" (daibu shita). However, since DNA diving of its own accord makes no apparent sense, ADV's Shoko Ono may have attempted to "reinterpret" the line into something that did.

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