500 words for the imaginary composition "Inserting the wings of science"?

Today, I took a time machine to the world ten thousand years later. Ten thousand years later, the world can be said to be developed in science and technology and take on a new look!

Ten thousand years later, the world is full of laughter! The students' school will be built in the sea, and a group of new friends of mankind-intelligent robots will walk around the world. The world has become full of vitality. It is because of these new achievements that the motherland is no longer backward. ...

Let's introduce the students' school first. This school is built in the depths of the ocean. Hey, how do students breathe? It turns out that people have invented a new device. Students can breathe freely as long as they wear this kind of equipment. When you walk into the school, you will find that the school is made of a waterproof brick. At school, don't worry about water soaking clothes, because this wall will separate the water, so you can have a class with peace of mind!

Let's introduce robots to you again. There are many types of these new friends, including home robots, intelligent robots, learning robots, service robots and entertainment robots ... Home robots can help people take care of their lives and do simple housework. Intelligent robot A robot whose actions are determined by artificial intelligence. Learning robot has learning experience and certain learning functions, and applies the "learned" experience to work. Service robots can help others meet their needs and help others. Entertainment robots have many talents, can sing and dance well, and take performance as their main function. There are many robots, all of which have various advantages and characteristics, all of which come from our credit. ...

Ten thousand years later, the invisibility cloak was invented in the world. This cloak is unique and contains a lot of fluorescent particles. Wearing it during the day can be invisible, and it shines at night. You don't have to worry about not being able to walk at night. This is convenient, environmentally friendly and can make you glow!

By then, there will still be human clones in the world, which are made by scientists using the main physiological characteristics of the human body. Extract a small number of cells from human body and cultivate more such cells according to your cells. Then, clones will be born, and clones will be divided into good and bad. Scientists encountered a thorny problem, so scientists extracted the goodness factor from the human body, so that there would be no bad clones. ...

The world life after 10,000 years is really colorful. I came back by time machine. ...