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The masterpiece first appeared in German in 1940 and then disappeared, only to reappear in English in 1949. It was a sensation, the largest and most scientific defense of human freedom ever published.
A robot is a mechanical or virtual agent that is designed to perform tasks autonomously or semi-autonomously, often with a focus on efficiency and precision.
It is known that early humans lived in caves, and they often moved around. There are several reasons why early humans chose cave as home.
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