Terminator fans know him, the T-1000, symbol of the destructive capabilities of Artificial Intelligence, a machine based on a liquid metal, with the ability to change its shape and thus imitate the shape of a human, or even to wander through grids (wander somehow does not fit as a word, but I can not think of one). But now have Scientist really science fiction reality and now here we are, the first miniature robot, which is made of liquid material and can change its shape. So the time has come when we have to think about how to deal with this, when sooner or later larger machines will be able to do this and could possibly pose a danger to humans.
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