1. Time Travel: This idea brings people into a fantasy of time travel in the form of scientific and technological paintings. The Haitian in the painting is designed as a scene with historical and cultural elements, such as Poseidon, a modern plane, a future city and so on in ancient Greek mythology. Through this painting, the audience can feel the yearning and exploration for the ocean and the sky from ancient times to the present.

2. Future Ocean: In this science and technology painting, the ocean is conceived as the future energy source. In the picture, huge waves are transformed into energy, which provides the motive force for sustainable development for mankind. In the sky, solar-powered aircraft and cables for ocean power generation are intertwined, forming a picture of future energy.

3. Dream of environmental protection: In this painting, the ocean and sky are important elements of environmental protection theme. Marine life is depicted as an image with environmental awareness. For example, dolphins are cleaning up plastic garbage in the sea, while drones in the sky are monitoring air pollution. This creative statement aims to convey the importance of environmental protection and inspire people's sense of responsibility for environmental protection.

4. Space exploration: This science and technology painting depicts a scene of space exploration. The ocean and sky are the starting points of exploration, and people explore the unknown universe through submersibles and rockets. In the picture, submersibles and rockets shuttle through the ocean and sky, showing the infinite exploration spirit of human beings.

5. The city is under the sea: In this idea, the city is built under the sea, and the sky is the light on the sea. This concept shows human exploration and development of the ocean, and emphasizes the importance of science and technology to the future urban development. This painting can inspire people to think about the future city and lifestyle.

The above are some creative explanations about the scientific and technological paintings of the ocean and sky, aiming to show the infinite possibilities of the ocean and sky and the spirit of human exploration.