Bathysphere

A bathysphere is like a small, round submarine that people can go inside to explore the ocean, kind of like a fish tank but for humans. It is made of very strong materials so it can resist the pressure of the water deep down in the ocean.

People get inside the bathysphere through a door, and then they close the door so no water can get inside. It has a little window on the side so they can see what's going on in the water around them. The bathysphere is usually lowered into the water using a cable or a rope.

Once the bathysphere is in the water, people can explore the ocean and see all sorts of things that they couldn't see from the surface. They can see fish, plants, and other creatures that live in the ocean. It's like going on a really cool adventure but under the water instead of on land.

But it's really important that the people in the bathysphere are careful and follow all the rules because the ocean can be dangerous. If they don't follow the rules, they could get hurt or something bad could happen to them. So, it's important to be safe and smart when exploring the ocean in a bathysphere.