Humanoid robots are designed to resemble the human form with a torso, head, two arms and two legs. They were first created in the 1970s by Waseda University and have continued to evolve, with notable examples including Honda's ASIMO and NASA's ROBONAUT. While humanoid robots can perform some tasks like humans such as locomotion, they still lack human-level cognition and emotions. Researchers are working to develop more stable bipedal movement and advanced cognition in humanoid robots, but they remain limited compared to human abilities. The document concludes that as technology improves, humanoid robots will find new applications but still have inherent defects compared to humans.