The concept of robots has evolved significantly over the centuries, with various inventions and ideas emerging in different eras. Here's a brief overview of notable developments related to robots by century: ### 20th Century - **1920s**: The term "robot" was first coined by Czech playwright Karel Čapek in his 1920 play "R.U.R." (Rossum's Universal Robots). The play introduced the idea of artificial beings created to serve humans.
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