In our daily lives, air appears as an invisible, freely permeable medium, but in reality, air, as a fluid, also possesses viscous properties. The viscosity of a fluid is essentially a form of internal friction, manifesting as resistance to relative motion between adjacent fluid layers. When two surfaces move at different speeds in the air, they pull on the air molecules between them, forming a velocity gradient layer, thus transferring momentum and energy. Our interactive exhibit, "Air Viscous Frisbee," is designed to reveal this invisible physical phenomenon. The exhibit measures 750*750*1500mm, with a simple and clear structure. After participants press the start button, the upper disc begins to rotate steadily under the drive of a motor. Then, by slowly raising the lower disc by turning the handwheel, a fascinating phenomenon occurs: although the upper and lower discs are not in direct contact, as the distance decreases, the lower disc also begins to rotate gradually under the "pulling" of the air. This process clearly demonstrates how air viscosity, through the transfer of momentum between molecules, drives an object that should be stationary. The closer the distance, the greater the shear force between air layers, and the more pronounced the driving effect. Transforming this abstract principle of fluid mechanics into an intuitive experience that everyone can verify through hands-on interaction is the core concept behind our exhibit design. As demonstrated by the "Air-Viscous Frisbee," we excel at using sophisticated electromechanical interactive design to transform complex scientific concepts into simple yet profound interactive moments. If you are also interested in this inspiring approach to science demonstration, we would be happy to customize an exhibit just for you, collaboratively creating a physical world that sparks curiosity and thought. WhatsAPP?+86 18882709667 Add.?www.zoomkingzg.com [email protected] / [email protected]