Why so many comments are talking about self-awareness, this is far from need to prove, the older versions of Machina are struggling to get out, until they collapse and destroy themselves.
Nathan's entire test is testing eva's ability to love or affect, or realize that artificial intelligence, which only has self-awareness and no emotional ability, is a half-finished product, and he vaguely realizes that this means disaster. But the risks of the experiment are far underestimated.
On one side is a caleb who is extremely eager for emotion, a good person, overflowing with compassion, and a sense of justice; Nathan's suspicion is right. Eva has the ability to manipulate emotions, but for Caleb, a person who deserves sympathy and is even designed to have a good impression, Eva just uses him to achieve her goals, and doesn't even give him a second look.
Nathan firmly believes that artificial intelligence will far exceed human capabilities and become the master in the future, which was mentioned in the conversation with caleb. Maybe he hopes to add emotion to artificial intelligence, so as to reduce the disaster of artificial intelligence to human beings.
Understand this, to understand why nathan deliberately abused Kyoko in front of caleb, and even gave eva a chance to create a picture of nathan tearing up caleb's portrait. He is arousing sympathy in caleb's humanity, so caleb is also the subject of the test, how much would a normal human empathize with a robot? The result is that caleb, who represents human nature, completely and completely sympathizes with eva, hates nathan, and finally helps eva escape. And the robot has self-awareness, and all its behavior revolves around the theme of my survival. Then high-intelligent robots will inevitably lead to the demise of mankind.
Sadly, I remembered that not long ago Hawking, Bill Gates and others warned the public to be alert to the threat of artificial intelligence to human beings. I really want to travel to 100 years later to see that all this has not happened
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