Introduction to the Law of Motion: The Foucault Pendulum at the entrance to the Law of Motion exhibition area is based on Foucault's exploration of the laws of motion of the earth. The simple display proves the fact of the rotation of the earth and inspires visitors to explore the motion in person. road. The display methods of the exhibition items are designed to achieve personal experience and interaction as much as possible. Through the rendering of environmental atmosphere, the audience can integrate, explore and discover the laws of movement.