Robotic devices often perform complicated, repetitive, and sometimes dangerous tasks. The word Robot evokes various devices ranging from a cooking device to the Rover.
The word "robot" first appeared in R.U.R. (Rossum's Universal Robots), a play was written by Czech playwright Karl Capek in 1921. Coincidentally, the word "robotics" was also coined by a science-fiction writer Isaac Asimov in his short story "Runabout", published in 1942.
Around 3000 B.C, human figurines were used to strike the hour bells in the Egyptian water clocks. This marked the first mechanical design.  As the time flew, more designs and devices were evolved. But Robotics advanced scientifically in the 20th century.
The foundation to modern robots was laid in the 1950s by George C. Devol, who invented and patented a reprogrammable manipulator called "Unimate," from "Universal Automation." 
In the late 1960s, Joseph Engleberger acquired the patent and modified them into Industrial robots. This effort made him "the Father of Robotics." Who knows! Someday robots might outsmart us and make us completely technology dependents. They are truly inventions that changed the world!

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