What was the first robot?
Answered by Science Channel
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  1. Although Leonardo da Vinci sketched out a humanoid robot in 1495, it would be centuries before the field of robotics caught up with his vision. The 1700s and 1800s saw the development of various automatons and complex wind-up toys, but it wasn't until 1948 that William Grey Walter unveiled the world's first electronic, autonomous robot. Named Elmer, this machine navigated by sensing light and external objects.

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