Summary:
- China has unveiled the world's first humanoid robot that can change its own batteries. This robot, called Xian, is designed to help with tasks in homes and offices.
- Xian is able to walk, talk, and perform various tasks like a human. It can also charge its own batteries by plugging itself into a power outlet when it needs more energy.
- This new robot technology shows how robots are becoming more advanced and able to take care of themselves, which could make them very useful for helping people in the future.