Can you explain to me how self driving works at first grade level?
Self-driving cars are cars that can drive by themselves without a person telling them what to do. They use special machines and computers to see and understand the road and other things around them, such as other cars, people, animals, signs, and traffic lights. They can also talk to each other and share information about where they are going and what they see.

Self-driving cars work by using many different parts that work together. Some of the most important parts are:

- **Sensors**. These are devices that help the car sense or feel things around it. They can be like eyes, ears, or noses for the car. For example, cameras can help the car see the road and the lanes. Radar can help the car measure how far away other things are. Lidar can help the car make a map of its surroundings by using lasers. Ultrasound can help the car detect objects that are very close to it.
- **Computers**. These are devices that help the car think and make decisions. They use a special kind of thinking called artificial intelligence (AI), which means they can learn from their experiences and improve over time. They can also use information from the internet or other sources to help them drive better. For example, computers can help the car plan the best route to get somewhere, or avoid traffic jams or accidents.
- **Software**. This is a set of instructions that tell the computers what to do and how to do it. Software can also control how the car moves and behaves. For example, software can tell the car when to speed up, slow down, turn, stop, or change lanes.

Self-driving cars have many benefits for people and society. They can make driving safer, easier, faster, cheaper, and more enjoyable. They can also help reduce pollution, save energy, and create new jobs and opportunities.

However, self-driving cars also have some challenges and risks. They are very complex and expensive to make and maintain. They may not work well in some situations or places, such as bad weather or roads that are not well marked. They may also make mistakes or cause accidents that could harm people or property. They may also raise ethical, legal, and social questions about who is responsible for their actions and how they should be regulated.

Self-driving cars are still being developed and tested by many companies and researchers around the world. They are not yet available for everyone to use or buy. Some cars today have some features that can help them drive themselves in some situations, but they still need a person to watch over them and take control if needed. These are called semi-autonomous cars.

Self-driving cars are an exciting technology that could change how we travel and live in the future. But they also need more research and testing before they can be fully trusted and accepted by everyone.

I hope this explanation helps you understand how self-driving cars work at a first grade level.