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.
How do robots help police officers?
Answered by Science Channel
Why didn't static walking work on the first Honda robots?
Answered by Planet Green
How do mobile reconfiguration robots work?
Answered by Meredith Bower and Science Channel